A BAND BT *VERY HIGH FREQUENCY ABANDONMENT UF ESCAPE(ABANDONMENT) NT BAILOUT NT DITCHING NT SUBMARINE ESCAPE ABBREVIATIONS UF ACRONYMS ABDOMEN BT *ANATOMY ABELIAN FIELDS use ALGEBRA ABELIAN GROUPS use GROUPS(MATHEMATICS) ABIOTIC PROCESSES ABLATION BT WEAR NT ABLATIVE MATERIALS ABLATIVE MATERIALS BT *ABLATION BT MATERIALS ABNORMAL PSYCHOLOGY INCLUDES GENERAL INVESTIGATIONS OF IRREG ULAR MENTAL PHENOMENA, INCLUDING BEHAVIO R OR MENTAL DISORDERS, DREAMS, HALLUCINA TIONS, AND MENTAL RETARDATION. FOR PREVE NTION, DIAGNOSIS, AND THERAPY OF MENTAL DISTURBANCES, SEE PSYCHIATRY. UF PSYCHOPATHOLOGY BT *PSYCHOLOGY NT *MENTAL DISORDERS ABNORMALITIES NT CONGENITAL ABNORMALITIES ABO INCOMPATIBILITY BT *BLOOD GROUP DISORDERS ABORT ABORTION ABRASION BT WEAR ABRASION RESISTANCE use WEAR RESISTANCE ABRASIVE BLASTING UFC SANDBLASTING BT *SURFACE FINISHING ABRASIVE COATINGS use ABRASIVES ABRASIVE WHEELS use GRINDING WHEELS ABRASIVES WEARING, GRINDING, OR RUBBING AWAY BY FR ICTION AND THE MATERIALS THAT PRODUCE TH IS EFFECT. UF ABRASIVE COATINGS UF BROACH POWDERS ABSCESSES UF SUPPURATIONS BT *INFECTIOUS DISEASES ABSENTEEISM CONTINUAL INTERRUPTION OF ATTENDANCE. BT *PERSONNEL MANAGEMENT ABSORBERS(EQUIPMENT) NT *ENERGY ABSORBERS ABSORBERS(MATERIALS) BT MATERIALS NT MOLECULAR SIEVES NT TOWELS ABSORPTION THE RETENTION AND CONVERSION INTO ANOTHE R FORM OF ENERGY OF RAYS, WAVES, OR PART ICLES BY A SUBSTANCE. UF ABSORPTIVE PROPERTIES BT SORPTION NT *BIOLOGICAL ABSORPTION NT RESONANCE ABSORPTION NT TWO PHOTON ABSORPTION NT X RAY ABSORPTION ANALYSIS ABSORPTION COEFFICIENTS BT COEFFICIENTS NT GAMMA RAY ABSORPTION COEFFICIENTS ABSORPTION CROSS SECTIONS BT *NUCLEAR CROSS SECTIONS NT RADIATIVE CAPTURE CROSS SECTIONS ABSORPTION SPECTRA BT *ELECTROMAGNETIC SPECTRA ABSORPTIVE PROPERTIES use ABSORPTION ABSTRACTS BT DOCUMENTS ABYSSAL ZONES BT *BENTHONIC ZONES ACARICIDES use PESTICIDES ACCELERATED TESTING UF RAPID TESTING BT *TEST METHODS ACCELERATION UF G-FORCES BT *VELOCITY NT ANGULAR ACCELERATION NT DECELERATION NT HIGH ACCELERATION NT IMPACT ACCELERATION ACCELERATION INTEGRATORS use ACCELEROMETERS ACCELERATION TOLERANCE BT *TOLERANCES(PHYSIOLOGY) ACCELEROMETERS UF ACCELERATION INTEGRATORS BT *MEASURING INSTRUMENTS ACCEPTABILITY ACCEPTANCE TESTS BT *TEST METHODS ACCESS NT COMPUTER ACCESS CONTROL NT *MULTIPLE ACCESS ACCESS TIME BT *TIME INTERVALS ACCIDENT INVESTIGATIONS ACCIDENTS NT *AVIATION ACCIDENTS NT BOAT AND SHIP ACCIDENTS NT CRASHES NT DERAILMENT NT DROWNING NT *MOTOR VEHICLE ACCIDENTS NT REACTOR ACCIDENTS ACCLIMATIZATION BT *ADAPTATION(PHYSIOLOGY) NT ALTITUDE ACCLIMATIZATION NT HEAT ACCLIMATIZATION ACCOMMODATION(PSYCHOLOGY) use ADJUSTMENT(PSYCHOLOGY) ACCOUNTABILITY ACCOUNTING BT FINANCE NT AUDITING ACCUMULATION ACCUMULATORS UF COLLECTORS NT HYDRAULIC ACCUMULATORS ACCURACY ACETAL PLASTICS use ACETAL RESINS ACETAL RESINS PLASTIC MATERIALS FROM CONTROLLED POLYME RIZATION OF FORMALDEHYDE. UF ACETAL PLASTICS BT *POLYMERS BT *THERMOPLASTIC RESINS NT DELRIN ACETALDEHYDE UF ETHANAL BT *ALDEHYDES ACETALS ACETAMIDES BT *AMIDES NT ACETAZOLAMIDE ACETATES NT CELLULOSE ACETATES NT ETHYLENEDINITRILO TETRAACETATES NT TRIACETIN ACETAZOLAMIDE BT *ACETAMIDES BT *SULFUR HETEROCYCLIC COMPOUNDS ACETIC ACID BT *FATTY ACIDS NT IMINO DIACETIC ACID NT OXALACETIC ACID NT PERACETIC ACID NT PHENOXYACETIC ACIDS ACETIC ANHYDRIDE BT ANHYDRIDES ACETOBACTER use PSEUDOMONADACEAE ACETONES BT *KETONES ACETONITRILE BT *NITRILES ACETOPHENETIDIN use ANALGESICS ACETOPHENONES BT *KETONES ACETYL CHLORIDE BT *CHLORIDES ACETYLATION BT *ACYLATION ACETYLCHOLINE BT *CHOLINES ACETYLCHOLINESTERASE BT *CHOLINESTERASE ACETYLENE BT *ACETYLENES ACETYLENES BT *ALKYNES NT ACETYLENE ACHATINA use GASTROPODA ACHIEVEMENT TESTS BT PERFORMANCE TESTS ACHROMATIC TRANSMITTING LIGHT WITHOUT REFRACTION. BT *OPTICAL PROPERTIES ACHROMOBACTERIACEAE use EUBACTERIALES ACHROMYCIN use TETRACYCLINES ACID BASE EQUILIBRIUM BT *CHEMICAL EQUILIBRIUM ACID CITRATE DEXTROSE BT *CITRATES BT *GLUCOSE ACID DEPOSITION ACIDIC POLLUTANT COMPOUNDS OF SULFUR AND NITROGEN RELEASED INTO THE ATMOSPHERE B Y INTERACTION WITH SUNLIGHT. UF ACID RAIN BT *RAIN ACID PHOSPHATASE BT *PHOSPHATASES ACID RAIN use ACID DEPOSITION ACIDEMIA use ACIDOSIS ACIDOSIS UF ACIDEMIA BT *METABOLIC DISEASES ACIDS BT CHEMICALS NT ARSONIC ACID NT BENZENEBORONIC ACID NT CARBAMIC ACID NT *INORGANIC ACIDS NT ISOCYANIC ACID NT LYSERGIC ACIDS NT *NICOTINIC ACID NT *NUCLEIC ACIDS NT *ORGANIC ACIDS NT TANNIC ACID NT URIC ACID NT VANILLIC ACIDS ACNE BT *DERMATITIS ACONITINE use ALKALOIDS ACOUSTIC ABSORPTION BT ACOUSTICS NT ACOUSTIC INSULATION ACOUSTIC ARRAYS BT ACOUSTIC EQUIPMENT BT ARRAYS NT SONAR ARRAYS ACOUSTIC ATTENUATION BT ACOUSTICS BT *ATTENUATION ACOUSTIC BEAMS BT BEAMS(RADIATION) ACOUSTIC CHANNELS BT ACOUSTICS ACOUSTIC COATINGS BT *ACOUSTIC MATERIALS BT COATINGS ACOUSTIC COMMUNICATIONS BT COMMUNICATION AND RADIO SYSTEMS ACOUSTIC COMPATIBILITY BT COMPATIBILITY ACOUSTIC COUNTERMEASURES BT *COUNTERMEASURES NT ACOUSTIC DECOYS NT ACOUSTIC JAMMING ACOUSTIC DATA BT ACOUSTICS ACOUSTIC DECOYS BT *ACOUSTIC COUNTERMEASURES BT *DECOYS ACOUSTIC DELAY LINES BT ACOUSTIC EQUIPMENT BT DELAY LINES ACOUSTIC DETECTION BT DETECTION NT *SEISMIC DETECTION ACOUSTIC DETECTORS BT ACOUSTIC EQUIPMENT BT DETECTORS NT HYDROPHONES NT SONOBUOYS ACOUSTIC EMISSIONS BT EMISSION ACOUSTIC EQUIPMENT UF SOUND EQUIPMENT UFC ACOUSTIC PROXIMITY DEVICES NT *ACOUSTIC ARRAYS NT ACOUSTIC DELAY LINES NT *ACOUSTIC DETECTORS NT *ACOUSTIC FILTERS NT ACOUSTIC LENSES NT ACOUSTIC MICROSCOPES NT ACOUSTIC RESONATORS NT ACOUSTIC WINDOWS NT ANECHOIC CHAMBERS NT MEGAPHONES NT *SONAR EQUIPMENT NT *SOUND GENERATORS NT *UNDERWATER SOUND EQUIPMENT ACOUSTIC FIELDS BT ACOUSTICS ACOUSTIC FILTERS BT ACOUSTIC EQUIPMENT BT FILTERS NT OPTOACOUSTIC FILTERS ACOUSTIC HOLOGRAPHY HOLOGRAPHY IN WHICH SINGLE-FREQUENCY SOU ND WAVES ARE USED TO PRODUCE A 3-D IMAGE OF AN OBJECT IN WATER, FLESH, OR ANY OT HER MEDIA CAPABLE OF TRANSMITTING AND RE FRACTING SOUND WAVES. BT HOLOGRAPHY ACOUSTIC HOMING BT *HOMING ACOUSTIC HORNS UF HORNS(ACOUSTIC) BT *SOUND GENERATORS ACOUSTIC IMAGES THE GEOMETRIC SPACE FIGURES THAT ARE MAD E UP OF THE ACOUSTIC FOCI OF AN ACOUSTIC LENS MIRROR, OR OTHER ACOUSTICAL OPTIC SYSTEM, AND ARE THE ACOUSTIC COUNTERPART S OF EXTENDED SOURCES OF SOUND. BT IMAGES NT SONAR IMAGES NT SONOGRAMS ACOUSTIC IMPEDANCE UF IMPEDANCE(ACOUSTICS) BT *ACOUSTIC PROPERTIES BT IMPEDANCE ACOUSTIC INSULATION UF SOUND INSULATION UF SOUNDPROOFING BT *ACOUSTIC ABSORPTION BT ACOUSTICS BT INSULATION ACOUSTIC INTELLIGENCE BT INTELLIGENCE ACOUSTIC JAMMING THE DELIBERATE RADIATION OR RERADIATION OF MECHANICAL OR ELECTROACOUSTIC SIGNALS WITH THE OBJECTIVE OF OBLITERATING OR O BSCURING SIGNALS WHICH THE ENEMY IS ATTE MPTING TO RECEIVE AND OF DETERRING ENEMY WEAPON SYSTEMS. BT *ACOUSTIC COUNTERMEASURES BT *JAMMING ACOUSTIC LENSES BT ACOUSTIC EQUIPMENT BT LENSES ACOUSTIC MATERIALS BT MATERIALS NT ACOUSTIC COATINGS NT ELECTROACOUSTIC MATERIALS ACOUSTIC MEASUREMENT BT ACOUSTICS BT MEASUREMENT ACOUSTIC MICROSCOPES INSTRUMENTS WHICH EMPLOY ACOUSTIC RADIAT ION AT MICROWAVE FREQUENCIES TO ALLOW VI SUALIZATION OF THE MICROSCOPIC DETAIL EX HIBITED IN ELASTIC PROPERTIES OF AN OBJE CT. BT ACOUSTIC EQUIPMENT BT *MICROSCOPES ACOUSTIC MINES BT *INFLUENCE MINES ACOUSTIC MINESWEEPING BT *MINESWEEPING ACOUSTIC NAVIGATION BT NAVIGATION ACOUSTIC PROPERTIES BT PHYSICAL PROPERTIES NT ACOUSTIC IMPEDANCE NT *ACOUSTIC REFLECTION NT ACOUSTIC REFRACTION NT ACOUSTIC RESONANCE NT *ACOUSTIC SCATTERING NT ACOUSTIC SIGNATURES NT ACOUSTIC VELOCITY NT SOUND PITCH NT SOUND TRANSMISSION NT ULTRASONIC PROPERTIES ACOUSTIC PROXIMITY DEVICES use ACOUSTIC EQUIPMENT and PROXIMITY DEVICES ACOUSTIC RANGES TEST FACILITIES FOR SOUND MEASUREMENTS, ESPECIALLY OF NOISE GENERATED BY SHIPS A ND SUBMARINES. BT *RANGES(FACILITIES) ACOUSTIC RECORDING SYSTEMS BT *ELECTRONIC RECORDING SYSTEMS NT *PHONOGRAPHS ACOUSTIC REFLECTION BT *ACOUSTIC PROPERTIES BT REFLECTION NT BOTTOM BOUNCE ACOUSTIC REFRACTION BT *ACOUSTIC PROPERTIES BT REFRACTION ACOUSTIC RESONANCE BT *ACOUSTIC PROPERTIES BT *RESONANCE ACOUSTIC RESONATORS BT ACOUSTIC EQUIPMENT BT RESONATORS ACOUSTIC SCATTERING BT *ACOUSTIC PROPERTIES BT SCATTERING NT REVERBERATION ACOUSTIC SIGNALS UF SOUND SIGNALS BT SIGNALS NT AUDITORY SIGNALS NT *UNDERWATER SOUND SIGNALS ACOUSTIC SIGNATURES BT *ACOUSTIC PROPERTIES BT SIGNATURES ACOUSTIC SURFACE WAVE DEVICES use SURFACE ACOUSTIC WAVE DEVICES ACOUSTIC SURVEILLANCE BT SURVEILLANCE ACOUSTIC TOMOGRAPHY BT ACOUSTICS BT *TOMOGRAPHY ACOUSTIC TORPEDOES UF LISTENING TORPEDOES BT *TORPEDOES ACOUSTIC TRACKING BT TRACKING ACOUSTIC VELOCITY BT *ACOUSTIC PROPERTIES BT *VELOCITY ACOUSTIC WARFARE BT WARFARE ACOUSTIC WAVES BT ACOUSTICS BT *ELASTIC WAVES NT *INFRASONIC RADIATION NT SOUND WAVES NT SURFACE ACOUSTIC WAVES NT ULTRASONIC RADIATION ACOUSTIC WINDOWS BT ACOUSTIC EQUIPMENT BT *WINDOWS ACOUSTICS THEORETICAL STUDIES OF THE PRODUCTION, B EHAVIOR, AND RECEPTION OF ELASTIC STRESS WAVES IN ALL TYPES OF MEDIA. FOR THEOR ETICAL STUDIES OF WAVES IN THE AUDIBLE F REQUENCY, SEE SOUND. NT *ACOUSTIC ABSORPTION NT ACOUSTIC ATTENUATION NT ACOUSTIC CHANNELS NT ACOUSTIC DATA NT ACOUSTIC FIELDS NT ACOUSTIC INSULATION NT ACOUSTIC MEASUREMENT NT ACOUSTIC TOMOGRAPHY NT *ACOUSTIC WAVES NT ACOUSTOOPTICS NT BIOACOUSTICS NT ELECTROACOUSTICS NT GEOACOUSTICS NT MAGNETOACOUSTICS NT *SOUND NT THERMOACOUSTICS ACOUSTOOPTICS BT ACOUSTICS BT OPTICS ACQUIRED IMMUNE DEFICIENCY SYNDROME A CONDITION OF ACQUIRED IMMUNOLOGICAL DE FICIENCY ASSOCIATED WITH INFECTION OF TH E CELLS OF THE IMMUNE SYSTEM WITH THE RE TROVIRUS HTLV-III AND SIMILAR VIRUSES; U SUALLY RECOGNIZED BY THE PRESENCE OF LIF E THREATENING INFECTIONS. UF AIDS BT *VIRUS DISEASES ACQUIRED IMMUNITY use IMMUNITY ACQUISITION NT *DATA ACQUISITION NT *PROCUREMENT NT TARGET ACQUISITION ACQUISITION RADAR BT *SEARCH RADAR NT PERIMETER ACQUISITION RADAR ACRIDINES BT *HETEROCYCLIC COMPOUNDS ACRILAN use ACRYLONITRILE POLYMERS ACROLEINS BT *ALDEHYDES ACRONYMS use ABBREVIATIONS ACRYLATES BT *ESTERS NT *METHACRYLATES ACRYLIC ACID BT *ALIPHATIC ACIDS NT CINNAMIC ACID ACRYLIC RESINS UF PERSPEX BT *ACRYLONITRILE POLYMERS BT *THERMOPLASTIC RESINS NT POLYACRYLAMIDES NT *POLYACRYLATES ACRYLONITRILE POLYMERS UF ACRILAN BT *POLYMERS NT *ACRYLIC RESINS ACRYLONITRILE RUBBER use NITRILE RUBBER ACTH use ADRENOCORTICOTROPIC HORMONE ACTIN use MUSCLE PROTEINS ACTINIDE SERIES ELEMENTS HAVING ATOMIC NUMBERS 89 THROUG H 103. FOR THE SERIES OF NUCLIDES RESUL TING FROM THE DECAY OF U-235, SEE RADIOA CTIVE SERIES. BT *METALS NT ACTINIUM NT AMERICIUM NT BERKELIUM NT CALIFORNIUM NT CURIUM NT EINSTEINIUM NT FERMIUM NT LAWRENCIUM NT MENDELEVIUM NT NEPTUNIUM NT NOBELIUM NT PLUTONIUM NT PROTACTINIUM NT THORIUM NT *URANIUM ACTINIDE SERIES COMPOUNDS BT *HEAVY ELEMENT COMPOUNDS NT ACTINIUM COMPOUNDS NT PROTACTINIUM COMPOUNDS NT *THORIUM COMPOUNDS NT *TRANSURANIUM COMPOUNDS NT *URANIUM COMPOUNDS ACTINIUM BT *ACTINIDE SERIES ACTINIUM COMPOUNDS BT *ACTINIDE SERIES COMPOUNDS ACTINIUM DECAY SERIES use RADIOACTIVE SERIES ACTINOBACILLUS UF MALLEOMYCES BT *BRUCELLACEAE NT ACTINOBACILLUS MALLEI ACTINOBACILLUS MALLEI UFC GLANDERS BT *ACTINOBACILLUS ACTINOMYCES BT *ACTINOMYCETACEAE ACTINOMYCETACEAE BT *ACTINOMYCETALES NT ACTINOMYCES NT NOCARDIA ACTINOMYCETALES UF ACTINOMYCETES BT *BACTERIA NT *ACTINOMYCETACEAE NT *MYCOBACTERIACEAE NT *STREPTOMYCETACEAE ACTINOMYCETES use ACTINOMYCETALES ACTINOPODA BT *PROTOZOA NT RADIOLARIA ACTIVATED CARBON UF ACTIVATED CHARCOAL BT *CARBON NT CHARCOAL ACTIVATED CHARCOAL use ACTIVATED CARBON ACTIVATED SINTERING BT SINTERING ACTIVATED SLUDGE PROCESS BT *SLUDGE BT *WASTE TREATMENT ACTIVATION UF ENERGIZING NT HEAT OF ACTIVATION NT NEUTRON ACTIVATION ACTIVATION ENERGY BT ENERGY ACTIVE DEFENSE THE EMPLOYMENT OF WEAPONS SYSTEMS TO DET ER, DEFLECT, OR OTHERWISE DEFEAT ENEMY O FFENSIVE FORCES. THE TERM COMMONLY CONN OTES DEFENSIVE FORCES, SUCH AS INTERCEPT OR AIRCRAFT AND ANTIBALLISTIC MISSILES. THE EMPLOYMENT OF LIMITED OFFENSIVE ACT ION AND COUNTERATTACKS TO DENY CONTESTED AREA OR POSITION TO THE ENEMY. ACTIVE DUTY ACTIVE IMMUNITY BT *IMMUNITY ACTIVE SITES(PHYSIOLOGY) use RECEPTOR SITES(PHYSIOLOGY) ACTOMYOSIN use MUSCLE PROTEINS ACTUATION ACTUATION COUNTERS use ROUNDS COUNTERS ACTUATORS FOR ACTUATORS WITH FEEDBACK, SEE SERVOME CHANISMS. FOR INDICATORS, SEE SYNCHROS. NT *EXPLOSIVE ACTUATORS NT HYDRAULIC ACTUATORS NT PNEUMATIC ACTUATORS ACUITY NT AUDITORY ACUITY NT VISUAL ACUITY ACUPUNCTURE BT *DIAGNOSIS(MEDICINE) BT *THERAPY ACUTE RESPIRATORY DISEASE VIRUS BT *ADENOVIRUSES ACYLATION BT *CHEMICAL REACTIONS NT ACETYLATION ACYLUREAS use UREIDES ADA PROGRAMMING LANGUAGE A SOPHISTICATED HIGH-LEVEL COMPUTER PROG RAMMING LANGUAGE DESIGNED TO SUPPORT REA L-TIME INPUT/OUTPUT CONCURRENT PROGRAM E XECUTION, ABSTRACT VARIABLES, AND THE P ROGRAMMING OF VERY LARGE EMBEDDED COMPUT ER SYSTEMS. BT *HIGH LEVEL LANGUAGES ADAMANTANES BT *POLYCYCLIC COMPOUNDS ADAPTATION NT *ADAPTATION(PHYSIOLOGY) NT ADJUSTMENT(PSYCHOLOGY) ADAPTATION(PHYSIOLOGY) UF GENERAL ADAPTATION SYNDROME UFC LIGHT ADAPTATION UFC PHOTOPIA UFC SCOTOPIA BT ADAPTATION BT PHYSIOLOGY NT *ACCLIMATIZATION NT DARK ADAPTATION NT HOMEOSTASIS ADAPTERS UFC CLUSTER ADAPTERS BT *FITTINGS ADAPTIVE COMMUNICATIONS BT ADAPTIVE SYSTEMS BT *TELECOMMUNICATIONS ADAPTIVE CONTROL SYSTEMS CONTROL SYSTEMS THAT CONTINUOUSLY MEASUR E AND EVALUATE DYNAMIC PERFORMANCE AND S UPPLY CONTINUOUS READJUSTMENTS ON THE BA SIS OF THE EVALUATIONS. UF SELF-ADAPTIVE CONTROL SYSTEMS BT ADAPTIVE SYSTEMS BT CONTROL SYSTEMS NT AUTOMATION NT CONTROLLED CONFIGURED VEHICLES ADAPTIVE FILTERS BT ADAPTIVE SYSTEMS BT FILTERS ADAPTIVE OPTICS THE THEORY AND DESIGN OF OPTICAL SYSTEMS THAT MEASURE AND CORRECT WAVEFRONT ABER RATIONS IN REAL TIME, THAT IS, SIMULTANE OUS WITH THE OPERATION OF THE SYSTEM. BT ADAPTIVE SYSTEMS BT OPTICS NT PHASE CONJUGATION ADAPTIVE SYSTEMS NT ADAPTIVE COMMUNICATIONS NT *ADAPTIVE CONTROL SYSTEMS NT ADAPTIVE FILTERS NT *ADAPTIVE OPTICS NT LEARNING MACHINES ADAPTIVE TRAINING BT *TRAINING ADATOMS BT ATOMS ADDITION BT *NUMBER THEORY ADDITION REACTIONS BT *CHEMICAL REACTIONS ADDITIVES NT ANTIFREEZES NT ANTIOXIDANTS NT FOAMING INHIBITORS NT FOOD ADDITIVES NT *FUEL ADDITIVES NT LUBRICANT ADDITIVES NT PAINT THINNERS NT *PLASTICIZERS ADDITRONS use RADIAL BEAM TUBES ADDRESSING ADEN GULF BT *GULFS ADENINE BT *PURINES NT ADENOSINE ADENOSINE BT *ADENINE ADENOSINE PHOSPHATES UF ADENYLIC ACID UF ATP BT *NUCLEOTIDES BT *PHOSPHATES ADENOVIRUSES UF CATARRHAL RHINITIS UF COLD VIRUSES UF COLDS UF CORYZA BT *VIRUSES NT ACUTE RESPIRATORY DISEASE VIRUS NT ONCOGENIC VIRUSES ADENYL CYCLASE BT ENZYMES ADENYLIC ACID use ADENOSINE PHOSPHATES ADHERENCE use ADHESION ADHESION UF ADHERENCE BT *SURFACE PROPERTIES ADHESIVE BONDING BT *BONDING ADHESIVE TAPES BT TAPES ADHESIVES UF CEMENTS(ADHESIVES) UF GLUES NT PASTES NT RUBBER ADHESIVES ADIABATIC CONDITIONS ADIABATIC GAS FLOW BT *GAS FLOW ADIPOSE TISSUE BT *CONNECTIVE TISSUE ADJUSTABLE PITCH PROPELLERS use VARIABLE PITCH PROPELLERS ADJUSTMENT(PSYCHOLOGY) UF ACCOMMODATION(PSYCHOLOGY) BT ADAPTATION BT *BEHAVIOR ADMINISTRATION use MANAGEMENT ADMINISTRATIVE ENGINEERING use MANAGEMENT ENGINEERING ADMINISTRATIVE LAW BT LEGISLATION ADMINISTRATIVE PERSONNEL BT PERSONNEL ADMITTANCE BT IMPEDANCE NT *ELECTRICAL CONDUCTIVITY ADOLESCENTS BT *YOUTH ADRENAL CORTEX UFC ADRENAL CORTICAL EXTRACT BT *ADRENAL GLANDS ADRENAL CORTEX HORMONES BT *HORMONES NT ALDOSTERONE NT CORTICOSTEROID AGENTS ADRENAL CORTICAL EXTRACT use ADRENAL CORTEX and TISSUE EXTRACTS ADRENAL GLANDS BT *ENDOCRINE GLANDS NT ADRENAL CORTEX ADRENAL MEDULLA HORMONES BT *HORMONES ADRENERGIC BLOCKING AGENTS use SYMPATHOLYTIC AGENTS ADRENERGIC NERVES use AUTONOMIC NERVOUS SYSTEM ADRENOCORTICOTROPIC HORMONE UF ACTH UF CORTICOTROPIN BT *PITUITARY HORMONES ADRENOLYTIC DRUGS use SYMPATHOLYTIC AGENTS ADRIATIC SEA BT *MEDITERRANEAN SEA ADSORBATES SOLIDS, LIQUIDS OR GASES WHICH ARE ADSOR BED AS MOLECULES, ATOMS, OR IONS BY SUCH SUBSTANCES AS CHARCOAL, SILICA, METALS, WATER, AND MERCURY. ADSORBENTS NT GETTERS ADSORPTION UF ADSORPTIVE PROPERTIES BT SORPTION NT CHEMISORPTION NT DENSITY FUNCTIONAL THEORY NT GETTERING ADSORPTION INDICATORS use CHEMICAL INDICATORS ADSORPTIVE PROPERTIES use ADSORPTION ADULTS BT *HUMANS ADVANCED RANGE INSTRUMENTATION SHIPS BT SHIPS ADVANCED WEAPONS WEAPON CONCEPTS UTILIZING DESTRUCTIVE FO RCES NOT PREVIOUSLY EMPLOYED IN WARFARE. BT *WEAPONS NT FIRE AND FORGET WEAPONS ADVECTION NT BLOWDOWN ADVERSE CONDITIONS NT CATASTROPHIC CONDITIONS ADVISORY ACTIVITIES AEDES BT *CULICIDAE AEGEAN SEA BT *MEDITERRANEAN SEA AEOLIPILE ROTORS use JET HELICOPTER ROTORS AERATION AERATORS EQUIPMENT USED FOR AERATION (SUPPLYING O R INFUSION OF AIR). AERIAL CAMERAS BT *CAMERAS NT CONTINUOUS STRIP CAMERAS NT TOPOGRAPHIC CAMERAS AERIAL COMBAT use AERIAL WARFARE AERIAL DELIVERY BT *AIR TRANSPORTATION BT DELIVERY NT *AIR DROP OPERATIONS NT FREE DROPPING AERIAL GUNNERS BT *AVIATION PERSONNEL BT *GUNNERS AERIAL GUNNERY BT GUNNERY AERIAL IMAGERY use AERIAL PHOTOGRAPHY AERIAL MINE WARFARE BT *MINE WARFARE AERIAL MINES BT *MINES(ORDNANCE) AERIAL PHOTOGRAPHS BT *PHOTOGRAPHS AERIAL PHOTOGRAPHY UF AERIAL IMAGERY BT PHOTOGRAPHY NT ORTHOPHOTOGRAPHY NT PHOTOGEOLOGY AERIAL PICKUP SYSTEMS AERIAL PROPELLERS UF PUSHER PROPELLERS BT PROPELLERS AERIAL RECONNAISSANCE BT *RECONNAISSANCE AERIAL RUDDERS BT *RUDDERS AERIAL SURVEYS BT SURVEYS AERIAL TARGETS BT TARGETS AERIAL TORPEDOES use AIRCRAFT TORPEDOES AERIAL WARFARE UF AERIAL COMBAT BT WARFARE NT AIR POWER NT AIR STRIKES AEROBACTER BT *ENTEROBACTERIACEAE NT AEROBACTER AEROGENES AEROBACTER AEROGENES BT *AEROBACTER BT *COLIFORM BACTERIA AEROBALLISTICS BT BALLISTICS AEROBIC BACTERIA BT *BACTERIA AEROBIC PROCESSES AEROBIOLOGY BT *BIOLOGY AERODYNAMIC CHARACTERISTICS BT *FLUID DYNAMICS NT *AERODYNAMIC FORCES NT *AERODYNAMIC STABILITY NT *AEROELASTICITY NT *HYPERSONIC CHARACTERISTICS NT SUBSONIC CHARACTERISTICS NT *SUPERSONIC CHARACTERISTICS NT TRANSONIC CHARACTERISTICS AERODYNAMIC CONFIGURATIONS THE RELATIVE DISPOSITIONS OF PARTS, THE FIGURE, THE CONTOUR, OR THE ARRANGEMENT OF PARTS WITHIN STRUCTURES WHOSE BEHAVIO R IS GOVERNED BY AERODYNAMIC LAWS. BT CONFIGURATIONS NT CANARD CONFIGURATIONS NT WING BODY CONFIGURATIONS AERODYNAMIC CONTROL SURFACES BT AIRFOILS BT *CONTROL SURFACES NT BOMB FINS NT *FLAPS(CONTROL SURFACES) NT FOLDING FINS(ROCKETS) NT HORIZONTAL STABILIZERS NT STRAKES NT *TRAILING CONTROL SURFACES NT VERTICAL STABILIZERS AERODYNAMIC DRAG BT *AERODYNAMIC FORCES BT DRAG NT SUPERSONIC DRAG AERODYNAMIC FORCES UF GLAUERT COEFFICIENT BT *AERODYNAMIC CHARACTERISTICS NT *AERODYNAMIC DRAG NT *AERODYNAMIC LOADING NT *LIFT AERODYNAMIC HEATING BT *AERODYNAMICS BT HEATING AERODYNAMIC LIFT THE COMPONENT OF THE TOTAL DYNAMIC FORCE ACTING ON A BODY PERPENDICULAR TO THE U NDISTURBED AIR FLOW RELATIVE TO THE BODY . BT *LIFT NT STALLING AERODYNAMIC LOADING BT *AERODYNAMIC FORCES BT *DYNAMIC LOADS NT BUFFETING NT GUST LOADS AERODYNAMIC NOISE BT *NOISE(SOUND) NT SONIC BOOM AERODYNAMIC SLOTS NOZZLE-SHAPED OPENINGS IN AERODYNAMIC CO NFIGURATIONS TO IMPROVE FLOW CONDITIONS AT HIGH ANGLES OF ATTACK. BT *SLOTS NT SUCTION SLOTS NT WING SLOTS AERODYNAMIC STABILITY BT *AERODYNAMIC CHARACTERISTICS BT STABILITY NT TRIM(AERODYNAMICS) AERODYNAMICS BT *FLUID DYNAMICS NT AERODYNAMIC HEATING NT AEROTHERMODYNAMICS NT UNSTEADY AERODYNAMICS AEROELASTICITY BT *AERODYNAMIC CHARACTERISTICS BT *ELASTIC PROPERTIES NT AEROSERVOELASTICITY NT AEROTHERMOELASTICITY NT TWIST(AERODYNAMICS) AEROEMBOLISM use GAS EMBOLISM AEROGELS BT SOL GEL PROCESSES AEROLOGICAL BALLOONS use METEOROLOGICAL BALLOONS AEROMEDICAL EVACUATION BT *AIR TRANSPORTATION BT *MEDICAL EVACUATION AERONAUTICAL BOOMS BT *BOOMS(EQUIPMENT) AERONAUTICAL ENGINEERING BT ENGINEERING NT AIRCRAFT DESIGN AERONAUTICAL LABORATORIES BT *LABORATORIES AERONAUTICS NT ALL WEATHER AVIATION NT ARMY AVIATION NT *CIVIL AVIATION NT MARINE CORPS AVIATION NT NAVAL AVIATION AERONOMY BT PHYSICAL SCIENCES NT IONOSPHERIC CHEMISTRY NT *IONOSPHERIC DISTURBANCES NT IONOSPHERIC MODELS AEROPHYSICS use ATMOSPHERIC PHYSICS AEROSERVOELASTICITY THE STUDY OF THE INTERACTION OF AUTOMATI C FLIGHT CONTROLS ON AEROSPACE CRAFT/MIS SILES WITH AEROELASTIC RESPONSE AND STAB ILITY. BT *AEROELASTICITY AEROSOL GENERATORS DEVICES THAT PRODUCE SUSPENSIONS OF SOLI DS OR LIQUIDS IN GASES. FOR DEVICES THAT EJECT LIQUID DROPLETS ONTO SURFACES, SE E SPRAY TANKS. BT GENERATORS NT SMOKE GENERATORS AEROSOLS BT *COLLOIDS NT *BIOLOGICAL AEROSOLS NT MIST AEROSPACE CRAFT VEHICLES THAT FUNCTION IN BOTH THE SENSI BLE ATMOSPHERE AND THE SPACE ENVIRONMENT . UF AEROSPACE VEHICLES BT AIRCRAFT BT SPACECRAFT NT AEROSPACEPLANES NT BOOST GLIDE VEHICLES NT *LIFTING BODIES AEROSPACE ENVIRONMENTS BT ENVIRONMENTS NT *SPACE ENVIRONMENTS AEROSPACE INDUSTRY INDUSTRY CONCERNED WITH THE USE OF VEHIC LES IN BOTH THE EARTH'S ATMOSPHERE AND S PACE. BT INDUSTRIES NT AIRCRAFT INDUSTRY AEROSPACE MEDICINE BT *MEDICINE BT SPACE SCIENCES AEROSPACE PLANES use AEROSPACEPLANES AEROSPACE SYSTEMS BT *ASTRONAUTICS AEROSPACE VEHICLES use AEROSPACE CRAFT AEROSPACEPLANES AEROSPACE CRAFT DESIGNED TO TAKE OFF FRO M CONVENTIONAL RUNWAYS AND OPERATE IN TH E OUTER FRINGES OF THE ATMOSPHERE BY AIR LIQUEFACTION. UF AEROSPACE PLANES BT *AEROSPACE CRAFT AEROSPORIN use POLYMYXINS AEROSTATICS BT *FLUID MECHANICS BT *STATICS AEROTHERMODYNAMICS BT *AERODYNAMICS AEROTHERMOELASTICITY BT *AEROELASTICITY AEROTHERMOPRESSORS DEVICES FOR INTRODUCING ATOMIZED WATER I NTO HOT HIGH-SPEED GAS STREAMS TO OBTAIN A RISE IN STAGNATION PRESSURE THROUGH E VAPORATIVE COOLING. BT *CENTRIFUGAL COMPRESSORS AEROZINE BT *HYDRAZINES AF(VESSELS) use CARGO SHIPS AFC use AUTOMATIC FREQUENCY CONTROL AFGHANISTAN BT *SOUTH ASIA AFOCAL OPTICAL LENSES BT *CAMERA LENSES AFRICA BT GEOGRAPHIC AREAS NT *NORTH AFRICA NT *SAHARAN AFRICA NT *SUBSAHARAN AFRICA NT *WEST AFRICA AFRICAN AMERICANS BT *BLACKS(RACIAL GROUP) BT MINORITIES AFRICANS MEMBERS OF AN AFRICAN RACE. BT *ETHNIC GROUPS NT EGYPTIANS AFTERBODIES BT BODIES NT BOATTAIL AFTERBODIES NT FLARED AFTERBODIES AFTERBURNERS BT *JET ENGINES AFTERBURNING BT *COMBUSTION AFTERGLOWS BT *ATMOSPHERIC SCATTERING AFTERIMAGES UFC AUDITORY AFTERIMAGES BT *VISION AGAR BT *CULTURE MEDIA AGC(ELECTRONICS) use AUTOMATIC GAIN CONTROL AGE DISTRIBUTION THE DISTRIBUTION OF DIFFERENT AGE GROUPS IN A POPULATION. BT DISTRIBUTION AGE HARDENING BT HARDENING AGENT ORANGE A HERBICIDE WIDELY USED AS A DEFOLIANT I N THE VIETNAM WAR THAT IS COMPOSED OF 2, 4-DICHLOROPHENOXYACETIC ACID (2,4-D) AND 2,4,5-TRICHLOROPHENOXYACETIC ACID (2,4, 5-T) AND CONTAINS DIOXIN AS A CONTAMINAN T. BT *DEFOLIANTS BT *HERBICIDES AGE-DIFFUSION EQUATION use NEUTRON AGE AGGLOMERATES BT *COMPOSITE MATERIALS AGGLUTINATION BT *ANTIGEN ANTIBODY REACTIONS AGGLUTININS BT ANTIBODIES AGGLUTINOGENS use ANTIGENS AGGREGATES(MATERIALS) ACCUMULATIONS OF GRAVEL OR SMALL STONES WHICH FORM THE MAJOR CONSTITUENT OF CERT AIN CONSTRUCTION MATERIALS, SUCH AS CONC RETE. BT *CONSTRUCTION MATERIALS AGING(MATERIALS) CHANGES IN MATERIALS OR PRODUCTS PRODUCE D UNDER CERTAIN CONDITIONS BY THE PASSAG E OF TIME. INCLUDES THE ACT OF ALLOWING SUCH CHANGES TO TAKE PLACE. BT *LIFE EXPECTANCY(SERVICE LIFE) AGING(PHYSIOLOGY) UF DEGENERATION(BIOLOGY) UF PHYSIOLOGICAL AGE UF SENESCENCE BT PHYSIOLOGY AGREEMENTS NT TREATIES AGRICULTURAL CHEMISTRY THE SCIENCE OF CHEMICAL COMPOSITION AND CHANGES INVOLVED IN THE PRODUCTION, PROT ECTION, AND USE OF CROPS AND LIVESTOCK. INCLUDES ALL THE LIFE PROCESSES THROUGH WHICH FOOD AND FIBER ARE OBTAINED FOR M AN AND HIS ANIMALS, AND CONTROL OF THESE PROCESSES TO INCREASE YIELDS, IMPROVE Q UALITY, AND REDUCE COSTS. BT AGRICULTURE NT FERTILIZERS AGRICULTURAL ECONOMICS BT AGRICULTURE BT ECONOMICS AGRICULTURE NT *AGRICULTURAL CHEMISTRY NT AGRICULTURAL ECONOMICS NT AGRONOMY NT ANIMAL HUSBANDRY NT *AQUICULTURE NT *FARMS NT *FORESTRY NT *HORTICULTURE NT IRRIGATION SYSTEMS NT PLANTING NT *SOIL SCIENCE AGRONOMY BT AGRICULTURE AIDS use ACQUIRED IMMUNE DEFICIENCY SYNDROME AIDS VIRUSES use HUMAN IMMUNODEFICIENCY VIRUSES AILERON TABS use TRIM TABS AILERONS UF DROOPED AILERONS BT *TRAILING CONTROL SURFACES AIMING BT TARGETING AIR UFC LIQUEFIED AIR NT COMPRESSED AIR AIR BAG RESTRAINT SYSTEMS BT *SAFETY EQUIPMENT AIR BEARINGS use GAS BEARINGS AIR BRAKE FLAPS UF AIRSPEED BRAKES UF SPEED BRAKE FLAPS UF WING SPEED BRAKES BT *FLAPS(CONTROL SURFACES) AIR BRAKES use PNEUMATIC BRAKES AIR BREATHING AIR BREATHING ENGINES BT ENGINES NT AIR BREATHING ENGINES(UNCONVENTIONAL) AIR BREATHING ENGINES(UNCONVENTIONAL) BT *AIR BREATHING ENGINES AIR CAPABLE SHIPS ALL TYPES OF SHIPS, EXCEPT AIRCRAFT CARR IERS, WHICH ARE CAPABLE OF LAUNCHING, RE COVERING, AND HANDLING AIRCRAFT; USUALLY HELICOPTERS OR VERTICAL TAKEOFF AIRCRAF T. BT SHIPS AIR CLEANERS NT AIR FILTERS AIR COMPRESSORS BT *COMPRESSORS AIR CONDITIONING EQUIPMENT BT *COOLING AND VENTILATING EQUIPMENT NT HEAT PUMPS NT HUMIDIFIERS AIR CONTROL CENTERS THE PRINCIPAL AIR OPERATIONS INSTALLATIO NS FROM WHICH ALL AIRCRAFT AND AIR WARNI NG FUNCTIONS OF TACTICAL AIR OPERATIONS ARE CONTROLLED. BT AIR TRAFFIC CONTROL SYSTEMS NT TACTICAL AIR CONTROL SYSTEMS AIR COOLED BT COOLING NT WIND CHILL AIR CUSHION VEHICLES BT *GROUND EFFECT MACHINES AIR DEFENSE BT DEFENSE SYSTEMS NT *ANTIAIRCRAFT DEFENSE SYSTEMS NT *ANTIMISSILE DEFENSE SYSTEMS NT FORWARD AREA AIR DEFENSE SYSTEMS NT TERMINAL DEFENSE AIR DEFENSE COMMAND BT *AIR FORCE AIR DROP OPERATIONS BT *AERIAL DELIVERY BT MILITARY OPERATIONS NT PARACHUTE JUMPING AIR EJECTORS BT EJECTORS BT *ENGINE AIR SYSTEMS COMPONENTS AIR ENTRAINMENT BT ENTRAINMENT AIR FILTERS BT AIR CLEANERS BT *GAS FILTERS AIR FLOW BT *GAS FLOW NT DOWNWASH AIR FORCE UFC AIR FORCE MEDICINE BT *MILITARY FORCES(UNITED STATES) NT AIR DEFENSE COMMAND NT AIR FORCE LOGISTICS COMMAND NT AIR FORCE SYSTEMS COMMAND NT STRATEGIC AIR COMMAND NT TACTICAL AIR COMMAND AIR FORCE ACADEMY use UNITED STATES AIR FORCE ACADEMY AIR FORCE BUDGETS BT *MILITARY BUDGETS AIR FORCE DEPOTS use AIR FORCE FACILITIES and SUPPLY DEPOTS AIR FORCE EQUIPMENT BT LOGISTICS BT *MILITARY EQUIPMENT AIR FORCE FACILITIES UFC AIR FORCE DEPOTS BT *MILITARY FACILITIES AIR FORCE LOGISTICS COMMAND UF AIR MATERIEL COMMAND BT *AIR FORCE AIR FORCE MEDICINE use AIR FORCE and MILITARY MEDICINE AIR FORCE OPERATIONS BT MILITARY OPERATIONS AIR FORCE PERSONNEL BT *MILITARY PERSONNEL AIR FORCE PLANNING BT *MILITARY PLANNING AIR FORCE PROCUREMENT BT *MILITARY PROCUREMENT AIR FORCE RESEARCH BT MILITARY RESEARCH AIR FORCE SYSTEMS COMMAND BT *AIR FORCE AIR FORCE TRAINING BT *MILITARY TRAINING AIR GAPS GAPS OR EQUIVALENT FILLERS OF NONMAGNETI C MATERIAL ACROSS THE CORE OF A CHOKE, T RANSFORMER OR OTHER MAGNETIC DEVICE. AIR GUNS BT *GUNS AIR HEATERS BT HEATERS NT *SPACE HEATERS AIR INTAKES BT *INLETS NT CARBURETOR AIR SCOOPS NT SUPERSONIC INLETS AIR INTELLIGENCE BT *MILITARY INTELLIGENCE AIR LAND BATTLES COMBAT WAGED BY GROUND FORCES WITH AIR S UPPORT; A CONCEPT OF AGGRESSIVE, MOBILE, AIR-SUPPORTED GROUND COMBAT. BT *BATTLES AIR LAUNCHED BT LAUNCHING AIR LOCKS BT COMPARTMENTS AIR LOGISTICS SUPPORT BT *LOGISTICS SUPPORT AIR MASS ANALYSIS BT *WEATHER AIR MASSES AN EXTENT OF THE ATMOSPHERE, IDENTIFIED BY ITS TEMPERATURE HUMIDITY CURVE, WHICH IDENTIFIES A SINGLE WEATHER CHARACTERIS TIC. AIR MATERIEL COMMAND use AIR FORCE LOGISTICS COMMAND AIR NAVIGATION ART, SCIENCE, OR ACTION OF PLOTTING AND DIRECTING FROM WITHIN AN AIRCRAFT ITS MO VEMENT THROUGH THE AIR FROM ONE PLACE TO ANOTHER. BT NAVIGATION NT TACAN AIR POLLUTION UF ATMOSPHERIC CONTAMINATION UF ATMOSPHERIC IMPURITIES UF ATMOSPHERIC POLLUTION BT *POLLUTION NT *AIR POLLUTION CONTROL EQUIPMENT NT AIR POLLUTION EFFECTS(ANIMALS) NT AUTOMOBILE EXHAUST NT INDOOR AIR POLLUTION NT OZONE DEPLETION NT SMOG AIR POLLUTION CONTROL EQUIPMENT BT *AIR POLLUTION BT POLLUTION ABATEMENT NT SCRUBBERS AIR POLLUTION EFFECTS(ANIMALS) BT *AIR POLLUTION AIR POWER BT *AERIAL WARFARE BT MILITARY FORCE LEVELS AIR PRESSURE BT PRESSURE AIR QUALITY BT QUALITY AIR RESISTANCE BT RESISTANCE AIR SEA INTERACTIONS use AIR WATER INTERACTIONS AIR SEA RESCUE BEACONS BT *RESCUE BEACONS AIR SEA RESCUES BT *SEA RESCUES AIR SICKNESS use MOTION SICKNESS AIR SPACE NT ULLAGE AIR SPRINGS BT PNEUMATIC EQUIPMENT BT *SPRINGS AIR STRIKES BT *AERIAL WARFARE AIR SUPERIORITY FIGHTERS BT *FIGHTER AIRCRAFT AIR SUPPLIES BT PNEUMATIC EQUIPMENT NT BELLOWS AIR TO AIR BT *TRAJECTORIES AIR TO AIR MISSILES BT GUIDED MISSILES AIR TO SPACE BT *ASCENT TRAJECTORIES AIR TO SPACE MISSILES BT GUIDED MISSILES AIR TO SURFACE BT *DESCENT TRAJECTORIES AIR TO SURFACE MISSILES BT GUIDED MISSILES NT STANDOFF MISSILES AIR TO UNDERWATER BT *DESCENT TRAJECTORIES AIR TO UNDERWATER MISSILES BT GUIDED MISSILES AIR TOWED AIR TRAFFIC BT TRAFFIC AIR TRAFFIC CONTROL SYSTEMS THE PERSONNEL, EQUIPMENT, AND TECHNIQUES FOR SCHEDULING TAKEOFFS, LANDINGS AND F LIGHT PATTERNS OF AIRCRAFT IN A GIVEN AI R SPACE. NT *AIR CONTROL CENTERS NT AIR TRAFFIC CONTROL TERMINAL AREAS NT *GLIDE PATH SYSTEMS NT MICROWAVE LANDING SYSTEMS NT *RADAR LANDING CONTROL AIR TRAFFIC CONTROL TERMINAL AREAS BT AIR TRAFFIC CONTROL SYSTEMS AIR TRAFFIC CONTROLLERS BT *AVIATION PERSONNEL BT *OPERATORS(PERSONNEL) AIR TRANSPORTABLE EQUIPMENT BT *PORTABLE EQUIPMENT AIR TRANSPORTATION THE CONVEYANCE OF CARGO OR PERSONNEL BY AIRCRAFT. FOR EQUIPMENT AND SYSTEMS CHA RACTERIZED BY USE ABOARD AIRCRAFT, SEE A IRBORNE. BT TRANSPORTATION NT *AERIAL DELIVERY NT AEROMEDICAL EVACUATION AIR WATER INTERACTIONS UF AIR SEA INTERACTIONS BT INTERACTIONS AIRBORNE AIRBORNE EARLY WARNING BT *EARLY WARNING SYSTEMS AIRBORNE WARNING AND CONTROL SYSTEM BT CONTROL SYSTEMS BT *WARNING SYSTEMS AIRBURST BT EXPLOSIONS NT HEIGHT OF BURST AIRCRAFT UF AIRPLANES UFC AIRCRAFT SPEED UFC CANARD AIRCRAFT UFC TAIL FIRST PLANES NT *AEROSPACE CRAFT NT AIRSHIPS NT ALL WING AIRCRAFT NT AMPHIBIOUS AIRCRAFT NT *BALLOONS NT COMMERCIAL AIRCRAFT NT COMPOSITE AIRCRAFT NT DOWNED AIRCRAFT NT *DRONES NT FIXED WING AIRCRAFT NT GENERAL AVIATION AIRCRAFT NT GLIDERS NT *GROUND EFFECT MACHINES NT *JET AIRCRAFT NT *MILITARY AIRCRAFT NT PARASITE AIRCRAFT NT RESEARCH AIRCRAFT NT ROCKET AIRCRAFT NT *SHORT TAKEOFF AIRCRAFT NT TAILLESS AIRCRAFT NT TANKER AIRCRAFT NT TILT WING AIRCRAFT NT TOWED AIRCRAFT NT TOWING AIRCRAFT NT *TRAINING AIRCRAFT NT TRANSONIC AIRCRAFT NT *TRANSPORT AIRCRAFT NT UTILITY AIRCRAFT NT VARIABLE STABILITY AIRCRAFT NT *WATER BASED AIRCRAFT AIRCRAFT ACCIDENTS use AVIATION ACCIDENTS AIRCRAFT AMMUNITION BT *AMMUNITION AIRCRAFT ANTENNAS BT AIRCRAFT EQUIPMENT BT ANTENNAS NT AIRSHIP ANTENNAS AIRCRAFT CABINS ENCLOSED COMPARTMENTS IN AIRCRAFT FOR CA RGO, PASSENGERS, OR CREW MEMBERS. FOR S IMILAR COMPARTMENTS ESPECIALLY DESIGNED FOR THE PILOT OR FOR THE PILOT AND COPIL OT, SEE COCKPITS. BT *FUSELAGES NT WHEEL WELLS AIRCRAFT CANOPIES BT CANOPIES AIRCRAFT CARBURETORS BT *CARBURETORS AIRCRAFT CARRIER ESCORTS use ESCORT SHIPS AIRCRAFT CARRIERS UF CARRIERS(NAVAL VESSELS) BT *NAVAL VESSELS(COMBATANT) AIRCRAFT CONTROL CABLES BT AIRCRAFT EQUIPMENT BT *MECHANICAL CABLES AIRCRAFT DEFENSE SYSTEMS BT DEFENSE SYSTEMS AIRCRAFT DESIGN BT *AERONAUTICAL ENGINEERING AIRCRAFT DETECTION BT DETECTION AIRCRAFT DOORS BT DOORS BT *FUSELAGES NT BOMB BAY DOORS NT LANDING GEAR DOORS AIRCRAFT ENGINE COWLINGS BT *ENGINE COMPONENTS AIRCRAFT ENGINE DUCTS BT DUCTS BT *ENGINE AIR SYSTEMS COMPONENTS AIRCRAFT ENGINE HEATERS DEVICES USED TO RAISE THE TEMPERATURE OF AN ENGINE, AS TO FACILITATE STARTING IN COLD WEATHER. BT HEATERS AIRCRAFT ENGINE NOISE BT *ENGINE NOISE AIRCRAFT ENGINE OILS BT *LUBRICATING OILS AIRCRAFT ENGINES UF AIRCRAFT POWER SOURCES BT ENGINES NT *HELICOPTER ENGINES AIRCRAFT EQUIPMENT DEVICES LOCATED IN OR ON AIRCRAFT, EXCLU DING THE CONTROL SURFACES, PARTS OF THE AIRFRAME, AND THE PROPULSION SYSTEM. UFC AIRCRAFT ROCKET LAUNCHERS NT *AIRCRAFT ANTENNAS NT AIRCRAFT CONTROL CABLES NT *AIRCRAFT SEATS NT AIRCRAFT TIRES AIRCRAFT ESCAPE CAPSULES use JETTISONABLE COCKPITS AIRCRAFT EXHAUST BT *EXHAUST GASES AIRCRAFT FINISHES BT FINISHES AIRCRAFT FIRE CONTROL SYSTEMS SYSTEMS CONTAINING TARGET LOCATORS, COMP UTERS, AND DIRECTORS FOR EMPLOYING AIRCR AFT-MOUNTED WEAPONS AGAINST AIR OR SURFA CE TARGETS. BT *FIRE CONTROL SYSTEMS AIRCRAFT FIRES BT FIRES AIRCRAFT FLARES UFC AIRCRAFT PARACHUTE FLARES BT *FLARES AIRCRAFT GUNS BT *GUNS AIRCRAFT HEATERS DEVICES USED TO HEAT THE INTERIORSOF AIR CRAFT. FOR DEVICES USED TO RAISE THE TE MPERATURE OF THE ENGINE, AS TO FACILITAT E STARTING IN COLD WEATHER, SEE AIRCRAFT ENGINE HEATERS. BT *SPACE HEATERS AIRCRAFT HIJACKING BT CRIMES BT *CRIMINOLOGY AIRCRAFT INDUSTRY BT *AEROSPACE INDUSTRY AIRCRAFT INTERCEPT CONTROL SYSTEMS BT *AIRCRAFT INTERCEPTION AIRCRAFT INTERCEPTION BT INTERCEPTION NT AIRCRAFT INTERCEPT CONTROL SYSTEMS AIRCRAFT LANDINGS BT LANDING NT CARRIER LANDINGS NT *CRASH LANDINGS NT FLAREOUT NT INSTRUMENT LANDINGS NT NIGHT LANDINGS AIRCRAFT LOFTING THE DESIGN AND LAYOUT, ON METAL SHEETS, OF FULL SCALE DRAWINGS OF AIRCRAFT PARTS . AIRCRAFT MAINTENANCE BT MAINTENANCE AIRCRAFT MARKINGS AIRCRAFT MODELS BT MODELS AIRCRAFT NOISE BT *NOISE(SOUND) NT JET AIRCRAFT NOISE AIRCRAFT NOSES BT *FUSELAGES BT NOSES AIRCRAFT NUCLEAR PROPULSION BT *NUCLEAR PROPULSION AIRCRAFT PANELS BT AIRFRAMES BT PANELS AIRCRAFT PARACHUTE FLARES use AIRCRAFT FLARES and PARACHUTE FLARES AIRCRAFT POWER SOURCES use AIRCRAFT ENGINES AIRCRAFT PROTUBERANCES BT PROTUBERANCES NT AIRCRAFT TURRETS AIRCRAFT ROCKET LAUNCHERS use AIRCRAFT EQUIPMENT and ROCKET LAUNCHERS AIRCRAFT ROCKETS UFC ANTITANK AIRCRAFT ROCKETS BT ROCKETS AIRCRAFT SEARCHLIGHTS BT *SEARCHLIGHTS AIRCRAFT SEATS BT AIRCRAFT EQUIPMENT BT SEATS NT PILOT SEATS AIRCRAFT SIGNATURES BT SIGNATURES AIRCRAFT SPEED use AIRCRAFT and FLIGHT SPEEDS AIRCRAFT TIRES BT AIRCRAFT EQUIPMENT BT *TIRES AIRCRAFT TORPEDOES UF AERIAL TORPEDOES BT *TORPEDOES AIRCRAFT TRACTORS BT *TRACTORS AIRCRAFT TURRETS BT *AIRCRAFT PROTUBERANCES AIRCREWS use FLIGHT CREWS AIRFIELDS use LANDING FIELDS AIRFOILS NT *AERODYNAMIC CONTROL SURFACES NT *BLADE AIRFOILS NT LOW DRAG AIRFOILS NT *SUPERCRITICAL AIRFOILS NT *SUPERSONIC AIRFOILS NT TRANSONIC AIRFOILS NT *WINGS AIRFRAMES UF FRAMES(AIRCRAFT) NT AIRCRAFT PANELS NT AIRSHIP ENVELOPES NT *FUSELAGES NT *LANDING GEAR NT *WINGS AIRGLOW BT *LIGHT AIRLIFT OPERATIONS NT AIRMOBILE OPERATIONS AIRLINERS use COMMERCIAL AIRCRAFT AIRMOBILE OPERATIONS BT AIRLIFT OPERATIONS BT MILITARY OPERATIONS AIRPLANES use AIRCRAFT AIRPORT CONTROL TOWERS BT *TERMINAL FLIGHT FACILITIES AIRPORT RADAR SCANNERS use AIRPORT RADAR SYSTEMS and RADAR SCANNING AIRPORT RADAR SYSTEMS RADAR SYSTEMS USED AT AIRPORTS FOR VARIO US APPLICATIONS INCLUDING NAVIGATION, WE ATHER OBSERVATION, AND TRAFFIC CONTROL. UFC AIRPORT RADAR SCANNERS BT RADAR BT *RADAR LANDING CONTROL AIRPORTS BT *TERMINAL FLIGHT FACILITIES NT *HELIPORTS NT INTERNATIONAL AIRPORTS AIRSHIP ANTENNAS BT *AIRCRAFT ANTENNAS AIRSHIP ENVELOPES BT AIRFRAMES AIRSHIPS UF BLIMPS UF DIRIGIBLES BT AIRCRAFT AIRSPEED BT *FLIGHT SPEEDS AIRSPEED BRAKES use AIR BRAKE FLAPS AIRSPEED INDICATORS BT *FLIGHT SPEED INDICATORS NT STALL WARNING INDICATORS AIRSTREAM DIRECTION DETECTORS use ATTITUDE INDICATORS AIRWORTHINESS BT *AVIATION SAFETY AIRY HARDY INTEGRALS use INTEGRALS AIRY SERIES use SERIES(MATHEMATICS) AJACONINE use ALKALOIDS ALABAMA BT *UNITED STATES ALABAMA RIVER BT *RIVERS ALANINES BT *AMINO ACIDS NT LEVODOPA NT PHENYLALANINE ALARMS use WARNING SYSTEMS ALASKA BT *UNITED STATES NT ALEUTIAN ISLANDS NT BARROW(ALASKA) NT BARTER ISLAND NT FAIRBANKS(ALASKA) ALASKA GULF BT *GULFS ALBANIA BT *EASTERN EUROPE ALBEDO RATIO OF REFLECTED RADIATION, EMERGENT N EUTRONS, OR SECONDARY COSMIC RAYS TO INC IDENT RADIATION OR NEUTRONS, OR PRIMARY COSMIC RAYS. BT *REFLECTANCE ALBEDO(ASTRONOMY) BT *ASTRONOMY ALBERTA BT *CANADA ALBINISM BT PHYSIOLOGY ALBUMINOIDS UF ELASTIN UF SCLEROPROTEINS BT *PROTEINS(SIMPLE) NT *COLLAGEN ALBUMINS BT *PROTEINS(SIMPLE) NT EGG ALBUMIN NT SERUM ALBUMIN ALCOHOL CONSUMPTION BT CONSUMPTION ALCOHOLIC BEVERAGES BT *BEVERAGES ALCOHOLISM BT *POISONING NT INTOXICATION ALCOHOLS BT ORGANIC COMPOUNDS NT BUTANOLS NT CARBINOLS NT CORTISOL NT CYCLOHEXANOLS NT ETHANOLS NT GLYCEROLS NT *GLYCOLS NT METHANOLS NT OCTOL NT PENTANOLS NT PROPANOLS NT *SUGAR ALCOHOLS NT *VINYL ALCOHOL ALDEHYDE LYASES UF ALDOLASES BT *LYASES ALDEHYDE POLYMERS BT *POLYMERS ALDEHYDES BT ORGANIC COMPOUNDS NT ACETALDEHYDE NT ACROLEINS NT BENZALDEHYDES NT FORMALDEHYDE NT FURALDEHYDES ALDOBIURONIC ACIDS use URONIC ACIDS ALDOLASES use ALDEHYDE LYASES ALDOSES BT *MONOSACCHARIDES ALDOSTERONE BT *ADRENAL CORTEX HORMONES ALDOXIMES BT OXIMES ALDRIN BT *HALOGENATED HYDROCARBONS ALERTNESS use ATTENTION ALEUTIAN ISLANDS BT *ALASKA BT *PACIFIC OCEAN ISLANDS ALFALFA BT *PLANTS(BOTANY) ALFVEN WAVES use MAGNETOHYDRODYNAMIC WAVES ALGAE UF CHLOROPHYTA UF CHRYSOPHYTA UF CYANOPHYTA UF EUGLENOPHYTA UF HYDROPHYTES UF PYRROPHYTA UF RHODOPHYTA UF SEAWEED BT *PLANTS(BOTANY) NT CHLORELLA NT DIATOMS NT *DINOFLAGELLATA NT KELP NT LICHENS NT MICROCYSTIS ALGEBRA UF ABELIAN FIELDS UF DISCRIMINANTS UF HILBERT'S NULLSTELLENSATZ UF LATTICE SUMS UF LATTICES(MATHEMATICS) UF LIE RINGS UF ORDERED DIVISION RINGS UF ORDERED FIELDS UF ORDERED RINGS UF RING DOMAINS UF STRUCT IDEALS UFC MATRIX ALGEBRA BT MATHEMATICS NT ALGEBRAIC GEOMETRY NT CONVEX SETS NT DETERMINANTS(MATHEMATICS) NT FIELD THEORY(ALGEBRA) NT *LINEAR ALGEBRA NT *NONLINEAR ALGEBRAIC EQUATIONS ALGEBRAIC FUNCTIONS BT *FUNCTIONS(MATHEMATICS) ALGEBRAIC GEOMETRY UF ARITHMETIC GENUS UF JACOBIAN VARIETIES UF KAHLER VARIETIES UF TODD GENUS BT *ALGEBRA BT *GEOMETRY ALGEBRAIC TOPOLOGY UF COHOMOLOGY UF FIBERINGS UF FLOWS(TOPOLOGY) UF GEODESIC FLOWS UF HOMOTOPY UF KRON'S METHOD UF KURANISHI'S THEORY UF LINE BUNDLES UF NON ABELIAN COHOMOLOGY UF N-PLANE BUNDLES UF POINCARE DUALITY(THEOREM) UF PONTRYAGIN PRODUCT UF PROLONGATIONS UF RIEMANNIAN SPACE BT *TOPOLOGY ALGERIA BT *NORTH AFRICA ALGIN use ALGINIC ACID ALGINATES use ALGINIC ACID ALGINIC ACID UF ALGIN UF ALGINATES UF NORGINE BT *POLYSACCHARIDES BT *URONIC ACIDS ALGOL use HIGH LEVEL LANGUAGES ALGORITHMS BT MATHEMATICS ALIGNMENT NT CAMBER NT MISALIGNMENT ALIPHATIC ACIDS BT *ORGANIC ACIDS NT *ACRYLIC ACID NT *FATTY ACIDS NT SEBACIC ACID NT SUCCINIC ACID ALIPHATIC COMPOUNDS BT ORGANIC COMPOUNDS NT ALIPHATIC HYDROCARBONS NT *HYDRAZINES ALIPHATIC HYDROCARBONS HYDROCARBONS WITH NO BENZENE RINGS. BT *ALIPHATIC COMPOUNDS BT *HYDROCARBONS ALKALI GLASS BT *GLASS ALKALI METAL ALLOYS UFC ALKALI METAL AMALGAMS BT ALLOYS NT CESIUM ALLOYS NT LITHIUM ALLOYS NT POTASSIUM ALLOYS NT SODIUM ALLOYS ALKALI METAL AMALGAMS use ALKALI METAL ALLOYS and AMALGAMS ALKALI METAL COMPOUNDS BT *INORGANIC COMPOUNDS NT CESIUM COMPOUNDS NT FRANCIUM COMPOUNDS NT *LITHIUM COMPOUNDS NT *POTASSIUM COMPOUNDS NT RUBIDIUM COMPOUNDS NT *SODIUM COMPOUNDS ALKALI METALS BT *METALS NT CESIUM NT FRANCIUM NT LITHIUM NT POTASSIUM NT RUBIDIUM NT *SODIUM ALKALINE BATTERIES BT ELECTRIC BATTERIES NT LITHIUM BATTERIES NT NICKEL CADMIUM BATTERIES ALKALINE EARTH COMPOUNDS BT CHEMICAL COMPOUNDS NT *ALKALINE EARTH OXIDES NT *BARIUM COMPOUNDS NT *BERYLLIUM COMPOUNDS NT *CALCIUM COMPOUNDS NT *MAGNESIUM COMPOUNDS NT RADIUM COMPOUNDS NT *STRONTIUM COMPOUNDS ALKALINE EARTH METALS BT *METALS NT BARIUM NT BERYLLIUM NT CALCIUM NT MAGNESIUM NT RADIUM NT STRONTIUM ALKALINE EARTH OXIDES BT *ALKALINE EARTH COMPOUNDS BT *OXIDES NT BARIUM OXIDES NT BERYLLIUM OXIDES NT CALCIUM OXIDES NT MAGNESIUM OXIDES ALKALINITY BT *CHEMICAL PROPERTIES ALKALOIDS UF ACONITINE UF AJACONINE UF ANNOTININE UF ATISINE UF BAPTIFOLINE UF CARPAINE UF DELCOSINE UF HORDENINE UF NAPELLINE UF RHYNCOPHYLLINE UF RYANODINE UFC COLCHICINE DERIVATIVES NT COLCHICINE NT *INDOLE ALKALOIDS NT *ISOQUINOLINE ALKALOIDS NT MUSCARINE NT NICOTINE NT ORIPAVINE NT *PURINE ALKALOIDS NT *QUINOLINE ALKALOIDS NT THEBAINE NT *TROPANE ALKALOIDS ALKALOSIS use METABOLIC DISEASES ALKANES BT *HYDROCARBONS NT BUTANES NT *CYCLOALKANES NT DECANES NT DODECANE NT EICOSANE NT *ETHANES NT HEPTANES NT HEXADECANE NT HEXANES NT *METHANE NT *METHANES NT NONANE NT OCTADECANES NT PENTANES NT *PROPANE ALKENES BT *HYDROCARBONS BT *UNSATURATED HYDROCARBONS NT BUTENES NT *CYCLOALKENES NT *DIENES NT *ETHYLENE NT *ETHYLENES NT HEXENES NT *KETONES NT METHYLENES NT *PROPENES ALKOXY RADICALS BT *ALKYL RADICALS BT *ORGANIC RADICALS ALKYD RESINS use POLYESTER PLASTICS ALKYL RADICALS BT *ORGANIC RADICALS NT ALKOXY RADICALS NT BUTYL RADICALS NT ETHYL RADICALS NT HEXYL RADICALS NT *METHYL RADICALS NT NONYL RADICALS NT OCTYL RADICALS NT PROPYL RADICALS NT VINYL RADICALS ALKYL TRANSFERASES UF THIAMINASE I BT *TRANSFERASES ALKYLATION BT *CHEMICAL REACTIONS NT METHYLATION ALKYNES BT *UNSATURATED HYDROCARBONS NT *ACETYLENES ALL INERTIAL GUIDANCE BT *INERTIAL GUIDANCE ALL SKY CAMERAS A CAMERA WHICH CAN PHOTOGRAPH THE ENTIRE SKY SIMULTANEOUSLY. BT *CAMERAS ALL VOLUNTEER BT *MILITARY PERSONNEL ALL WEATHER BT *WEATHER ALL WEATHER AVIATION BT AERONAUTICS ALL WING AIRCRAFT BT AIRCRAFT ALLANTOIN use HYDANTOINS ALLERGENIC EXTRACTS BT BIOLOGICAL EXTRACTS ALLERGENS BT *ALLERGIC DISEASES BT ANTIGENS ALLERGIC DISEASES BT DISEASES NT ALLERGENS NT ANAPHYLAXIS NT ASTHMA NT *DERMATITIS ALLETHRIN BT *INSECTICIDES ALLIGATOR WEED BT *AQUATIC WEEDS ALLOCATIONS UF ASSIGNMENT NT BILLETS(PERSONNEL) NT FREQUENCY ALLOCATION ALLOWED BETA TRANSITIONS use SELECTION RULES(PHYSICS) ALLOXAN BT *PYRIMIDINES ALLOYS NT *ALKALI METAL ALLOYS NT ALUMINUM ALLOYS NT BARIUM ALLOYS NT BERYLLIUM ALLOYS NT BINARY ALLOYS NT BISMUTH ALLOYS NT BRAZING ALLOYS NT CADMIUM ALLOYS NT CALCIUM ALLOYS NT CARBON ALLOYS NT CASTING ALLOYS NT *CHROMIUM ALLOYS NT COBALT ALLOYS NT *COPPER ALLOYS NT CORROSION RESISTANT ALLOYS NT GADOLINIUM ALLOYS NT GALLIUM ALLOYS NT GOLD ALLOYS NT HAFNIUM ALLOYS NT *HEAT RESISTANT ALLOYS NT HIGH STRENGTH ALLOYS NT INDIUM ALLOYS NT *INTERMETALLIC COMPOUNDS NT *IRON ALLOYS NT LEAD ALLOYS NT LOW TEMPERATURE ALLOYS NT MAGNESIUM ALLOYS NT MAGNETIC ALLOYS NT *MANGANESE ALLOYS NT *MERCURY ALLOYS NT *METALLOID ALLOYS NT *METASTABLE ALLOYS NT NEODYMIUM ALLOYS NT *NICKEL ALLOYS NT PALLADIUM ALLOYS NT PHOSPHORUS ALLOYS NT PLATINUM ALLOYS NT PLUTONIUM ALLOYS NT POWDER ALLOYS NT *RARE EARTH ALLOYS NT RHODIUM ALLOYS NT SELENIUM ALLOYS NT SHAPE MEMORY ALLOYS NT *SILVER ALLOYS NT *SOLDERING ALLOYS NT STRONTIUM ALLOYS NT THALLIUM ALLOYS NT THORIUM ALLOYS NT TIN ALLOYS NT TITANIUM ALLOYS NT URANIUM ALLOYS NT VANADIUM ALLOYS NT YTTRIUM ALLOYS NT ZINC ALLOYS NT ZIRCONIUM ALLOYS ALLUVIUM BT SOILS ALMANACS BT *BOOKS ALOPECIA LOSS OF HAIR USUALLY FROM THE SCALP; MAY BE PARTIAL OR TOTAL, CONGENITAL, PREMAT URE, OR SENILE; BALDNESS. BT *INTEGUMENTARY DISEASES ALPHA BOMBARDMENT BT *PARTICLE ACCELERATOR TECHNIQUES ALPHA CHAMBERS use ALPHA PARTICLE DETECTORS ALPHA COUNTERS BT *PARTICLE COUNTERS BT *RADIATION MEASURING INSTRUMENTS ALPHA CROSS SECTIONS BT *NUCLEAR CROSS SECTIONS ALPHA DECAY BT *RADIOACTIVE DECAY ALPHA GLOBULIN BT *SERUM GLOBULIN ALPHA PARTICLE DETECTORS UF ALPHA CHAMBERS BT *RADIATION MEASURING INSTRUMENTS ALPHA PARTICLE REACTIONS BT NUCLEAR REACTIONS ALPHA PARTICLE SPECTROSCOPY BT *NUCLEAR RADIATION SPECTROSCOPY ALPHA PARTICLES BT CHARGED PARTICLES BT *CORPUSCULAR RADIATION BT *IONIZING RADIATION BT NUCLEAR PARTICLES BT *NUCLEAR RADIATION ALPHA SPECTRA THE DISTRIBUTION IN ENERGY OR MOMENTUM O F THE ALPHA PARTICLES EMITTED BY A RADIO NUCLIDE. BT *PARTICLE SPECTRA ALPHABETS NT VOWELS ALPHANUMERIC DATA BT *NUMBERS ALPHANUMERIC DISPLAYS BT DISPLAY SYSTEMS ALTERNATING CURRENT BT *ELECTRIC CURRENT ALTERNATORS BT *ELECTRIC GENERATORS ALTIMETERS UF ANEROID CHAMBERS BT *MEASURING INSTRUMENTS BT *NAVIGATIONAL AIDS NT RADIO ALTIMETERS ALTIMETRY use HEIGHT FINDING ALTITUDE NT *ELEVATION NT HIGH ALTITUDE NT LOW ALTITUDE NT MEDIUM ALTITUDE NT SEA LEVEL ALTITUDE ACCLIMATIZATION SLOW PHYSIOLOGICAL ADAPTATION RESULTING FROM PROLONGED EXPOSURE TO SIGNIFICANTLY REDUCED ATMOSPHERIC PRESSURE. BT *ACCLIMATIZATION ALTITUDE CHAMBERS BT CHAMBERS BT *TEST FACILITIES ALTITUDE CONTROLLERS BT *FLIGHT CONTROL SYSTEMS ALTITUDE SICKNESS BT *STRESS(PHYSIOLOGY) ALUMINATES BT *ALUMINUM COMPOUNDS ALUMINIDES BT *ALUMINUM COMPOUNDS NT IRON ALUMINIDE NT NICKEL ALUMINIDE NT TITANIUM ALUMINIDE ALUMINIZED EXPLOSIVES BT EXPLOSIVES ALUMINIZED PROPELLANTS BT *MONOPROPELLANTS ALUMINIZING use ALUMINUM COATINGS ALUMINOSILICATES BT *ALUMINUM COMPOUNDS BT *SILICATES ALUMINUM BT *METALS ALUMINUM ALLOYS BT ALLOYS ALUMINUM ARSENIDES BT *ALUMINUM COMPOUNDS BT *ARSENIDES NT ALUMINUM GALLIUM ARSENIDES ALUMINUM COATINGS UF ALUMINIZING BT *METAL COATINGS ALUMINUM COMPOUNDS BT *GROUP III COMPOUNDS NT ALUMINATES NT *ALUMINIDES NT ALUMINOSILICATES NT *ALUMINUM ARSENIDES NT ALUMINUM LAURATE NT ALUMINUM NITRIDES NT ALUMINUM OXIDES NT ALUMINUM SULFATE NT TRIETHYLALUMINUM NT TRIMETHYLALUMINUM ALUMINUM FOIL BT FOILS(MATERIALS) ALUMINUM GALLIUM ARSENIDES BT *ALUMINUM ARSENIDES BT *GALLIUM ARSENIDES ALUMINUM INTERMETALLICS BT *INTERMETALLIC COMPOUNDS ALUMINUM LAURATE BT *ALUMINUM COMPOUNDS BT *ALUMINUM SOAPS BT *LAURATES ALUMINUM NITRIDES BT *ALUMINUM COMPOUNDS BT *NITRIDES ALUMINUM OXIDES BT *ALUMINUM COMPOUNDS BT *OXIDES ALUMINUM SOAPS BT *SOAPS NT ALUMINUM LAURATE ALUMINUM SULFATE BT *ALUMINUM COMPOUNDS BT *SULFATES ALUMS BT *SULFATES ALVEOLAR BONE BT *BONES ALVEOLI BT *LUNG ALZHEIMER DISEASE BT *MENTAL DISORDERS AMALGAMS ALLOYS OF MERCURY. UFC ALKALI METAL AMALGAMS BT *MERCURY ALLOYS AMATEX BT EXPLOSIVES AMATOL BT *AMMONIUM NITRATE BT EXPLOSIVES BT *NITROTOLUENES AMAZON RIVER THE LARGEST RIVER IN THE WORLD--FLOWING FROM THE PERUVIAN ANDES, EAST THROUGH BR AZIL TO THE ATLANTIC. BT *RIVERS AMBIENT NOISE BT NOISE NT BACKGROUND NOISE AMBIGUITY THE STATE OF BEING INDEFINITE, UNCERTAIN , NOT CLEAR. HAVING TWO OR MORE POSSIBL E MEANINGS. AMBULANCES BT *RESCUE VEHICLES AMBUSH BT *GUERRILLA WARFARE AMEBIASIS BT *PARASITIC DISEASES AMERICAN INDIANS MEMBERS OF THE ABORIGINAL RACE OF AMERIC A OR OF THE ABORIGINAL NORTH AND SOUTH A MERICAN STOCKS, OFTEN EXCEPTING THE ESKI MOS. BT *ETHNIC GROUPS BT MINORITIES AMERICIUM BT *ACTINIDE SERIES BT *TRANSURANIUM ELEMENTS AMERICIUM COMPOUNDS BT *TRANSURANIUM COMPOUNDS AMIDE HYDROLASES BT *HYDROLASES NT GLUTAMINASE NT PENICILLINASE NT UREASE AMIDES BT *ORGANIC NITROGEN COMPOUNDS NT *ACETAMIDES NT CYANAMIDES NT FORMAMIDES NT FORMAMIDINES NT HYDANTOINS NT OXAMIDES NT SULFONAMIDES AMIDINES BT *AMINES BT *IMINES AMIDOMYCIN use ANTIBIOTICS AMINE FUELS BT FUELS AMINES BT *ORGANIC NITROGEN COMPOUNDS NT AMIDINES NT *ANILINES NT *CATECHOLAMINES NT ETHANOLAMINE NT ETHYLENEDIAMINE NT FLUOROAMINES NT *GUANIDINES NT HEXAMINES NT HISTAMINE NT MELAMINES NT METHYLAMINE NT METHYLENE BLUE NT NITRAMINES NT NITROSAMINES NT PHENYLAMINES NT PHENYLENEDIAMINES NT PIPERAZINES NT *PIPERIDINES NT PYRROLIDINES AMINO ACIDS BT *ORGANIC ACIDS NT *ALANINES NT ASPARTIC ACID NT CREATINE NT CYSTEINE NT CYSTINE NT FOLIC ACID NT GLUTAMIC ACID NT GLUTAMINE NT GLUTARIC ACID NT GLYCINE NT HISTIDINE NT LEUCINE NT METHIONINE NT PYRUVATES NT SERINE NT TRYPTOPHAN NT TYROSINE AMINO PLASTICS PLASTICS MADE BY THE REACTION OF AN AMIN E WITH AN ALDEHYDE. UF AMINO RESINS UF MELAMINE PLASTICS BT *THERMOSETTING PLASTICS AMINO RESINS use AMINO PLASTICS AMINOBENZOIC ACID(PARA) use VITAMIN B COMPLEX AMINOPURINES use PURINES AMINOTRANSFERASES BT *TRANSFERASES AMMETERS BT *MEASURING INSTRUMENTS AMMINO COMPOUNDS BT *AMMONIUM COMPOUNDS BT *METAL COMPOUNDS AMMONIA BT *NITROGEN COMPOUNDS NT LIQUID AMMONIA AMMONIUM COMPOUNDS BT ORGANIC COMPOUNDS NT AMMINO COMPOUNDS NT *AMMONIUM NITRATE NT AMMONIUM PERCHLORATE NT HEXAMETHONIUM COMPOUNDS AMMONIUM NITRATE BT *AMMONIUM COMPOUNDS BT *NITRATES NT AMATOL AMMONIUM PERCHLORATE BT *AMMONIUM COMPOUNDS BT *PERCHLORATES AMMONIUM PICRATE UF EXPLOSIVE D BT EXPLOSIVES AMMUNITION BT ORDNANCE NT AIRCRAFT AMMUNITION NT *AMMUNITION COMPONENTS NT ANTIAIRCRAFT AMMUNITION NT *ANTIARMOR AMMUNITION NT ANTIMATERIEL AMMUNITION NT *ANTIPERSONNEL AMMUNITION NT *ANTISHIP AMMUNITION NT ARTILLERY AMMUNITION NT *CARTRIDGES NT CASELESS AMMUNITION NT FIN STABILIZED AMMUNITION NT *FRAGMENTATION AMMUNITION NT *GRENADES NT HIGH EXPLOSIVE AMMUNITION NT *INCENDIARY AMMUNITION NT LINKLESS AMMUNITION NT MORTAR AMMUNITION NT *PHOTOFLASH AMMUNITION NT *PROJECTILES NT SMALL ARMS AMMUNITION NT *SPIN STABILIZED AMMUNITION NT SPOTTING ROUNDS NT TRACER AMMUNITION NT *TRAINING AMMUNITION NT UNEXPLODED AMMUNITION AMMUNITION BELT LINKS UF LINKS(AMMUNITION BELT) BT LINKAGES BT ORDNANCE AMMUNITION CASES BT *AMMUNITION CONTAINERS AMMUNITION COMPONENTS COMPONENT PARTS OF AMMUNITION, EXCLUDING PROJECTILES, FUZES, AND ARMING DEVICES. BT *AMMUNITION NT AMMUNITION FRAGMENTS NT BURSTING CHARGES NT *CARTRIDGE CASES NT DEPTH CHARGE COMPONENTS NT *EXPLOSIVE TRAINS NT *FIRING MECHANISMS(AMMUNITION) NT KILL MECHANISMS NT POWDER BAGS NT *PROJECTILE COMPONENTS NT ROTATING BANDS AMMUNITION CONTAINERS UFC SMALL ARMS AMMUNITION BOXES BT CONTAINERS NT AMMUNITION CASES AMMUNITION DAMAGE BT DAMAGE AMMUNITION FEED MECHANISMS BT FEED MECHANISMS BT *GUN COMPONENTS AMMUNITION FRAGMENTS UF SHRAPNEL UFC BOMB FRAGMENTS UFC PROJECTILE FRAGMENTS BT *AMMUNITION COMPONENTS BT FRAGMENTS AMNESIA LOSS OR IMPAIRMENT OF MEMORY; INABILITY TO RECALL PAST EXPERIENCES. BT *MENTAL DISORDERS NT AMNESIC APHASIA AMNESIC APHASIA LOSS OF MEMORY FOR THE APPROPRIATE NAMES OF OBJECTS, CONDITIONS OR RELATIONS; AC COMPANIED BY FRAGMENTED OR HESITANT SPEE CH. BT *AMNESIA BT *APHASIA AMNIOCENTESIS BT *DIAGNOSIS(MEDICINE) AMOEBA BT *AMOEBINA NT ENTAMOEBA HISTOLYTICA NT IODAMOEBA AMOEBIC DYSENTERY use DYSENTERY AMOEBINA BT *RHIZOPODA NT *AMOEBA AMORPHOUS MATERIALS BT MATERIALS AMORTIZATION BT FINANCE AMPHETAMINES UF DEOXYEPHEDRINE UF DESOXYEPHEDRINE UF DEXTROAMPHETAMINE SULFATE UF METHAMPHETAMINE UF PAREDRINE UF PERVITIN BT *SYMPATHOMIMETIC AGENTS AMPHIBIANS UF BATRACHIA UF NEWTS UF SALAMANDERS UF TOADS BT *VERTEBRATES NT FROGS AMPHIBIOUS AIRCRAFT BT AIRCRAFT AMPHIBIOUS ASSAULT SHIPS BT *AMPHIBIOUS SHIPS AMPHIBIOUS OPERATIONS BT MILITARY OPERATIONS NT BEACH HEADS AMPHIBIOUS SHIPS BT *NAVAL VESSELS(COMBATANT) NT AMPHIBIOUS ASSAULT SHIPS AMPHIBIOUS VEHICLES BT VEHICLES AMPHOTERIC HAVING BOTH ACIDIC AND BASIC CHARACTERIS TICS. AMPHOTERICIN BT *ANTIBIOTICS AMPLIDYNES BT *ELECTRIC GENERATORS AMPLIFICATION NT IMAGE INTENSIFICATION NT REGENERATION(ELECTRONICS) AMPLIFIERS UFC PACKAGED AMPLIFIERS UFC TELEPHONE AMPLIFIERS NT AUDIO AMPLIFIERS NT BANDPASS AMPLIFIERS NT CATHODE FOLLOWERS NT CURRENT AMPLIFIERS NT DIELECTRIC AMPLIFIERS NT DISTRIBUTED AMPLIFIERS NT FEEDBACK AMPLIFIERS NT *FLUID AMPLIFIERS NT *LIGHT AMPLIFIERS NT LOGARITHMIC AMPLIFIERS NT LOW NOISE AMPLIFIERS NT MAGNETIC AMPLIFIERS NT OPERATIONAL AMPLIFIERS NT POWER AMPLIFIERS NT PREAMPLIFIERS NT PULSE AMPLIFIERS NT PUSH PULL AMPLIFIERS NT *RADIOFREQUENCY AMPLIFIERS NT SERVOAMPLIFIERS NT TRANSISTOR AMPLIFIERS NT TUNED AMPLIFIERS NT VIDEO AMPLIFIERS NT VOLTAGE AMPLIFIERS AMPLITUDE BT INTENSITY AMPLITUDE MODULATION BT MODULATION AMPULES BT CONTAINERS AMPUTATION BT *EXCISION AMPUTATION STUMPS AMPUTEES BT CASUALTIES AMUSEMENT use RECREATION AMYLASES use GLYCOSIDE HYDROLASES AMYLOIDOSIS use METABOLIC DISEASES ANAEROBIC BACTERIA BT *BACTERIA ANAEROBIC PROCESSES ANALEPTICS use CNS STIMULANTS ANALGESIA BT *THERAPY ANALGESICS UF ACETOPHENETIDIN BT DRUGS NT ENDORPHINS ANALOG COMPUTER ANALYSIS BT *ANALOG COMPUTERS ANALOG COMPUTERS BT ANALOG SYSTEMS BT *COMPUTERS NT ANALOG COMPUTER ANALYSIS ANALOG SIGNALS BT SIGNALS ANALOG SIMULATION BT *COMPUTERIZED SIMULATION ANALOG SYSTEMS NT *ANALOG COMPUTERS ANALOG TO DIGITAL CONVERTERS UF DIGITIZERS BT CONVERTERS BT *INPUT OUTPUT DEVICES ANALOGIES BT *SEMANTICS ANALOGS ANALYSIS OF VARIANCE UF VARIANCE ANALYSIS BT *STATISTICAL ANALYSIS NT BIVARIATE ANALYSIS ANALYSTS BT PERSONNEL ANALYTIC FUNCTIONS BT *COMPLEX VARIABLES BT *FUNCTIONS(MATHEMATICS) ANALYTIC GEOMETRY BT *GEOMETRY NT CIRCLES NT ELLIPSES NT HYPERBOLAS NT LOCUS NT PARABOLAS ANALYTIC NUMBER THEORY THE STUDY OF PROBLEMS CONCERNING THE DIS CRETE DOMAIN OF INTEGERS BY MEANS OF THE MATHEMATICS OF CONTINUITY. BT *NUMBER THEORY ANALYTICAL CHEMISTRY BT *CHEMISTRY NT COMPUTATIONAL CHEMISTRY ANALYZERS NT *DIFFERENTIAL ANALYZERS NT ELECTROSTATIC ANALYZERS NT *FREQUENCY ANALYZERS NT INTERFERENCE ANALYZERS NT NOISE ANALYZERS NT *PULSE ANALYZERS NT *SOUND ANALYZERS NT *SPECTRUM ANALYZERS NT *WAVE ANALYZERS ANAPHYLACTIC SHOCK use ANAPHYLAXIS and SHOCK(PATHOLOGY) ANAPHYLATOXINS BT TOXINS AND ANTITOXINS ANAPHYLAXIS UFC ANAPHYLACTIC SHOCK BT *ALLERGIC DISEASES BT *ANTIGEN ANTIBODY REACTIONS ANASTOMOSIS BT *CARDIOVASCULAR SYSTEM ANATOMICAL MODELS BT MODELS ANATOMY BT *BIOLOGY NT ABDOMEN NT *BODY FLUIDS NT *CARDIOVASCULAR SYSTEM NT CEREBROVASCULAR SYSTEM NT *DIGESTIVE SYSTEM NT *EXTREMITIES NT FISTULAS NT *HEAD(ANATOMY) NT *HIP NT HUMAN BODY NT *INTEGUMENTARY SYSTEM NT *MUSCULOSKELETAL SYSTEM NT NECK(ANATOMY) NT *NERVOUS SYSTEM NT *ORGANS(ANATOMY) NT *REPRODUCTIVE SYSTEM NT *RESPIRATORY SYSTEM NT SHEATHS(ANATOMY) NT SHOULDERS(ANATOMY) NT THORAX NT *URINARY SYSTEM ANCHOR CHAINS BT CHAINS ANCHORS NT ANCHORS(MARINE) NT ANCHORS(STRUCTURAL) NT GRAPNELS ANCHORS(MARINE) UF SHIP ANCHORS BT ANCHORS ANCHORS(STRUCTURAL) UF GROUND ANCHORS UF GUY STAKES UF STAKES BT ANCHORS BT *STRUCTURAL COMPONENTS ANCYLOSTOMA BT *NEMATODA ANDROGENS BT *SEX HORMONES ANECHOIC CHAMBERS BT ACOUSTIC EQUIPMENT BT CHAMBERS BT *TEST FACILITIES ANEMIAS BT *BLOOD DISEASES NT SICKLE CELL ANEMIA ANEMOMETERS UF GLOW ANEMOMETERS UF WIND GAGES BT *MEASURING INSTRUMENTS NT HOT WIRE ANEMOMETERS NT LASER ANEMOMETERS ANEROID CHAMBERS use ALTIMETERS ANESTHESIA UFC DENTAL ANESTHESIA BT *MEDICINE NT ELECTROANESTHESIA ANESTHESIOLOGISTS BT *MEDICAL PERSONNEL ANESTHETICS AGENTS THAT PRODUCE LOCAL OR GENERAL INS ENSIBILITY TO PAIN, TOUCH, OR OTHER STIM ULI. GENERAL ANESTHETICS PRODUCE LOSS O F ALL MODALITIES OF SENSATION AND ALSO O F CONSCIOUSNESS. BT DRUGS NT BARBITURATES NT CHLORALOSE NT CHLOROFORM NT LOCAL ANESTHETICS ANGIOGRAPHY BT *RADIOGRAPHY ANGIOTENSIN AN OCTAPEPTIDE, PRODUCED IN CIRCULATING PLASMA BY INTERACTION OF THE ENZYME RENI N AND THE ALPHA GLOBULIN ANGIOTENSINOGEN . IT APPEARS TO BE THE PRESSOR VASCOCON STRICTOR AND ALDOSTERONE-STIMULATING COM PONENT OF THE RENAL PRESSOR SYSTEM. UF ANGIOTONIN UF HYPERTENSIN ANGIOTONIN use ANGIOTENSIN ANGLE BARS BT *STRUCTURAL COMPONENTS ANGLE OF ARRIVAL THE ANGLE BETWEEN THE LINE OF PROPAGATIO N OF ELECTROMAGNETIC WAVES AND THE EARTH 'S SURFACE AT THE POINT OF RECEPTION. BT *ANGLE OF INCIDENCE BT ARRIVAL ANGLE OF ATTACK BT ATTACK ANGLE OF ATTACK INDICATORS BT INDICATORS ANGLE OF INCIDENCE THE ANGLE FORMED BY A RAY ARRIVING AT A SURFACE AND THE PERPENDICULAR TO THAT SU RFACE AT THE POINT OF ARRIVAL. BT ANGLES NT ANGLE OF ARRIVAL NT GRAZING ANGLES ANGLES NT *ANGLE OF INCIDENCE NT ANHEDRAL ANGLE NT ASPECT ANGLE NT BRAGG ANGLE NT DEPRESSION ANGLES NT DIHEDRAL ANGLE NT EULER ANGLES NT HIGH ANGLES NT *LOW ANGLES NT PITCH(INCLINATION) NT RIGHT ANGLES NT *TARGET ANGLE NT WIDE ANGLES NT YAW ANGOLA BT *SUBSAHARAN AFRICA ANGULAR ACCELERATION BT *ACCELERATION ANGULAR MOMENTUM BT MOMENTUM ANGULAR MOTION BT MOTION NT *ROLL NT *ROTATION NT *SPINNING(MOTION) NT TUMBLING NT TWIST(MOTION) ANHALONIUM ALKALOIDS UF MESCALINE UF PEYOTE BT *ISOQUINOLINE ALKALOIDS ANHARMONIC OSCILLATORS BT *OSCILLATORS ANHEDRAL ANGLE BT ANGLES ANHYDRIDES NT ACETIC ANHYDRIDE ANILINES BT *AMINES NT POLYANILINES NT TOLUIDINES ANIMAL COMMUNICATION ANIMAL DISEASES BT DISEASES NT VETERINARY DISEASES ANIMAL HUSBANDRY BT AGRICULTURE ANIMAL MIGRATION BT MIGRATION ANIMAL PIGMENTS use ORGANIC PIGMENTS ANIMAL STARCH use GLYCOGEN ANIMALS NT *AQUATIC ANIMALS NT *DOMESTIC ANIMALS NT *INVERTEBRATES NT *LABORATORY ANIMALS NT NOCTURNAL ANIMALS NT *VENOMOUS ANIMALS NT *VERTEBRATES NT *WILDLIFE ANION EXCHANGE use ION EXCHANGE ANIONS BT *IONS ANISOLE BT *ARYL ETHERS ANISOTROPY BT PHYSICAL PROPERTIES ANKLE use JOINTS(ANATOMY) and LEGS ANNEALING BT HEAT TREATMENT ANNELIDA UF HIRUDINEA UF LEECHES UF SEGMENTED WORMS BT *WORMS NT OLIGOCHAETA NT POLYCHAETA ANNIHILATION RADIATION BT *ANNIHILATION REACTIONS ANNIHILATION REACTIONS BT *PHOTONUCLEAR REACTIONS NT ANNIHILATION RADIATION ANNOTININE use ALKALOIDS ANNOUNCEMENT BULLETINS PERIODIC PUBLICATIONS FROM INFORMATION C ENTERS PROVIDING DATA ON CURRENT LITERAT URE. BT *BIBLIOGRAPHIES NT TAB(DTIC) ANNULAR BURNERS BT BURNERS ANNULAR FLOW RING SHAPED FLOW; FLOW FROM AN ANNULAR N OZZLE. BT *AXISYMMETRIC FLOW ANNULAR NOZZLES BT NOZZLES ANNULAR WINGS use RING WINGS ANODES BT ELECTRODES NT ANODES(ELECTROLYTIC CELL) NT ANODES(ELECTRON TUBES) ANODES(ELECTROLYTIC CELL) BT *ANODES ANODES(ELECTRON TUBES) BT *ANODES BT *ELECTRON TUBE COMPONENTS ANODIC COATINGS BT COATINGS BT *PROTECTIVE TREATMENTS ANODIC POLARIZATION BT *POLARIZATION ANOMALIES UF SITUS INVERSUS(VISCERA) UFC MICROPHTHALMIA UFC STRABISMUS NT *GRAVITY ANOMALIES NT MAGNETIC ANOMALIES ANOPHELES BT *CULICIDAE ANOPLURA use LICE ANOREXIA BT *NEUROSES ANOXIA BT *PATHOLOGY ANTACIDS BT DRUGS ANTARCTIC REGIONS BT *COLD REGIONS NT ROSS SEA ANTENNA APERTURES BT APERTURES NT ANTENNA WINDOWS ANTENNA ARRAYS BT ANTENNAS BT ARRAYS NT FOCAL PLANE ARRAYS ANTENNA COMPONENTS CIRCUITS, DEVICES, AND HARDWARE FOR ALL TYPES OF ANTENNAS. UF ANTENNA HARDWARE UFC ANTENNA FILTERS UFC BALUNS UFC RADIO ANTENNA FILTERS BT ANTENNAS NT ANTENNA FEEDS NT ANTENNA MASTS NT ANTENNA PEDESTALS ANTENNA CONFIGURATIONS ANTENNAS DISTINGUISHED BY SPECIAL DESIGN CHARACTERISTICS. BT CONFIGURATIONS ANTENNA COUPLERS ANY RF TRANSFORMER, TUNED LINE OR OTHER DEVICE THAT TRANSFERS ENERGY EFFICIENTLY FROM A TRANSMISSION LINE TO A RECEIVER. BT COUPLERS ANTENNA FEEDS UF ANTENNA HORNS UF HORNS(ANTENNA) BT *ANTENNA COMPONENTS ANTENNA FIELDS use ANTENNA RADIATION PATTERNS ANTENNA FILTERS use ANTENNA COMPONENTS and BANDPASS FILTERS ANTENNA HARDWARE use ANTENNA COMPONENTS ANTENNA HORNS use ANTENNA FEEDS ANTENNA LOBES UF LOBING BT *ANTENNA RADIATION PATTERNS NT BACKLOBES NT SIDELOBES ANTENNA MASTS BT *ANTENNA COMPONENTS BT *MASTS ANTENNA PEDESTALS BT *ANTENNA COMPONENTS ANTENNA RADIATION PATTERNS UF ANTENNA FIELDS BT *RADIATION PATTERNS NT *ANTENNA LOBES NT NULLS(AMPLITUDE) ANTENNA SIMULATORS BT *SIMULATORS ANTENNA WINDOWS BT *ANTENNA APERTURES ANTENNAS NT *AIRCRAFT ANTENNAS NT *ANTENNA ARRAYS NT *ANTENNA COMPONENTS NT BEVERAGE ANTENNAS NT *BROADBAND ANTENNAS NT CIRCULAR ANTENNAS NT COUPLED ANTENNAS NT CYLINDRICAL ANTENNAS NT DIPOLE ANTENNAS NT *DIRECTIONAL ANTENNAS NT GROUND VEHICLE ANTENNAS NT GUIDED MISSILE ANTENNAS NT *MICROWAVE ANTENNAS NT MULTIPLE BEAM ANTENNAS NT *OMNIDIRECTIONAL ANTENNAS NT ROCKET ANTENNAS NT ROTATING ANTENNAS NT *SHIP ANTENNAS NT *SPACECRAFT ANTENNAS NT TELEMETERING ANTENNAS NT TELEVISION ANTENNAS NT TRAILING WIRE ANTENNAS NT UNDERGROUND ANTENNAS NT UNFURLABLE ANTENNAS ANTHELMINTICS UF VERMIFUGES BT *ANTIPARASITIC DRUGS NT ANTISCHISTOSOMAL DRUGS ANTHOXANTHIN PIGMENTS UF BIOFLAVONOIDS UF FLAVANOL UF FLAVINS UF FLAVONES UF FLAVONONES UF XANTHONES BT *ORGANIC PIGMENTS ANTHRACENES BT *AROMATIC HYDROCARBONS ANTHRACITE A HIGH-GRADE METAMORPHIC COAL HAVING A S EMI-METALLIC LUSTER, HIGH CONTENT OF FIX ED CARBON, AND HIGH DENSITY; AND BURNING WITH A SHORT BLUE FLAME AND LITTLE SMOK E OR ODOR. UF HARD COAL UF KILKENNY COAL UF STONE COAL BT *COAL BT *SEDIMENTARY ROCK ANTHRANILIC ACID BT *BENZOIC ACIDS ANTHRAQUINONES BT *QUINONES ANTHRAX AN ACUTE INFECTIOUS DISEASE OF CATTLE AN D SHEEP, TRANSMISSIBLE TO MAN AND CAUSED BY BACILLUS ANTHRACIS. BT *BACTERIAL DISEASES ANTHRAX BACILLUS use BACILLUS ANTHRACIS ANTHRAX VACCINE use BACILLUS ANTHRACIS and VACCINES ANTHRONES BT *KETONES ANTHROPOLOGY UF ETHNOLOGY BT SOCIAL SCIENCES NT *ANTHROPOMETRY NT *ETHNIC GROUPS NT ETHNOGRAPHY NT *RACE(ANTHROPOLOGY) ANTHROPOMETRY SCIENCE OF MEASURING THE HUMAN BODY AND ITS PARTS AND FUNCTIONAL CAPACITIES. BT *ANTHROPOLOGY BT MEASUREMENT NT CEPHALOMETRY ANTIAIRCRAFT AMMUNITION UFC ANTIAIRCRAFT PROJECTILES UFC ANTIAIRCRAFT ROCKETS BT *AMMUNITION ANTIAIRCRAFT DEFENSE SYSTEMS BT *AIR DEFENSE NT GUN AIR DEFENSE SYSTEMS ANTIAIRCRAFT FIRE use ANTIAIRCRAFT GUNNERY ANTIAIRCRAFT FIRE CONTROL SYSTEMS BT *FIRE CONTROL SYSTEMS ANTIAIRCRAFT GUN MOUNTS use ANTIAIRCRAFT GUNS and GUN MOUNTS ANTIAIRCRAFT GUNNERY UF ANTIAIRCRAFT FIRE BT GUNNERY ANTIAIRCRAFT GUNS UFC ANTIAIRCRAFT GUN MOUNTS BT *ANTIAIRCRAFT WEAPONS BT *GUNS ANTIAIRCRAFT MISSILES BT *ANTIAIRCRAFT WEAPONS BT GUIDED MISSILES ANTIAIRCRAFT PROJECTILES use ANTIAIRCRAFT AMMUNITION and PROJECTILES ANTIAIRCRAFT ROCKETS use ANTIAIRCRAFT AMMUNITION and ROCKETS ANTIAIRCRAFT WEAPONS BT *WEAPONS NT ANTIAIRCRAFT GUNS NT ANTIAIRCRAFT MISSILES ANTIARMOR AMMUNITION AMMUNITION DESIGNED TO DEFEAT ARMORED TA RGETS, ESPECIALLY BY PIERCING OR PRODUCI NG SPALLING. UFC HESH PROJECTILES BT *AMMUNITION NT ANTITANK AMMUNITION NT ARMOR PIERCING AMMUNITION ANTIBACTERIAL SERUMS use IMMUNE SERUMS ANTIBIOTICS UF AMIDOMYCIN UF FUMAGILLIN BT *CHEMOTHERAPEUTIC AGENTS NT AMPHOTERICIN NT CHLORAMPHENICOL NT ERYTHROMYCIN NT FUNGICIDES NT GRISEOFULVIN NT JOSAMYCIN NT NEOMYCINS NT NYSTATIN NT PENICILLINS NT POLYMYXINS NT PRODIGIOSIN NT SODIUM CEPHALOTHIN NT SODIUM COLISTIMETHATE NT STREPTOMYCINS NT SULFONAMIDES NT *TETRACYCLINES NT TUBERCULIN NT VANCOMYCIN ANTIBODIES UF PRECIPITINS NT AGGLUTININS NT FLUORESCENT ANTIBODY TECHNIQUES NT IMMUNOBLOCKING ANTIBODIES NT IMMUNOGLOBULINS NT MONOCLONAL ANTIBODIES NT OPSONINS NT RICKETTSIAL ANTIBODIES ANTICHOLINERGIC AGENTS use PARASYMPATHOLYTIC AGENTS ANTICHOLINESTERASES use CHOLINESTERASE INHIBITORS ANTICOAGULANTS UF HEPARIN SUBSTITUTES BT DRUGS NT HEPARIN ANTICONVULSANTS UF ANTIEPILEPTIC AGENTS BT DRUGS ANTICORROSIVE COATINGS use CORROSION INHIBITION and PROTECTIVE COATINGS ANTICORROSIVE PAINTS use CORROSION INHIBITION and PAINTS ANTICROP AGENTS BT *HERBICIDES ANTICYCLONES BT *ATMOSPHERIC MOTION ANTIDEPRESSIVE AGENTS use PSYCHOANALEPTIC AGENTS ANTIDISTURBANCE DEVICES ANTIDIURETICS BT DRUGS ANTIDOTES BT DRUGS ANTIEMETICS UF ANTINAUSEANTS UF MOTION SICKNESS DRUGS BT DRUGS ANTIEPILEPTIC AGENTS use ANTICONVULSANTS ANTIFERROELECTRICITY BT ELECTRICITY ANTIFERROMAGNETISM BT *MAGNETIC PROPERTIES ANTIFOAM AGENTS use FOAMING INHIBITORS ANTIFOGGING AGENTS BT INHIBITORS ANTIFOGGING DEVICES BT *SAFETY EQUIPMENT ANTIFOULING ANTIFOULING COATINGS UFC ANTIFOULING PAINTS BT *PROTECTIVE COATINGS ANTIFOULING PAINTS use ANTIFOULING COATINGS and PAINTS ANTIFREEZES BT ADDITIVES ANTIFRICTION BEARINGS UF ROLLING CONTACT BEARINGS BT BEARINGS NT BALL BEARINGS NT *ROLLER BEARINGS ANTIFUNGAL AGENTS use FUNGICIDES ANTIGEN ANTIBODY REACTIONS UF SHWARTZMAN PHENOMENON BT *IMMUNOLOGY NT AGGLUTINATION NT ANAPHYLAXIS ANTIGENS UF AGGLUTINOGENS UF BACTEROLYSINS UF HAPTENS UF PRECIPITINOGENS NT ALLERGENS NT *IMMUNOGENS ANTIHEMOPHILIA ANTIHISTAMINICS UF HISTAMINE ANTAGONISTS BT DRUGS ANTIHYPOTENSIVE DRUGS BT DRUGS ANTIINFLAMMATORY AGENTS A SUBSTANCE SUCH AS CORTISONE, THAT COUN TERACTS INFLAMMATION. BT DRUGS ANTIINTRUSION DEVICES BT *AREA SECURITY ANTIJAMMING BT *ELECTRONIC COUNTER COUNTERMEASURES NT RADAR ANTIJAMMING NT RADIO ANTIJAMMING ANTIKNOCK BT *COMBUSTION NT CETANE NUMBER ANTILEISHMANIAL DRUGS DRUGS/AGENTS EFFECTIVE AGAINST LEISHMANI A. BT *ANTIPARASITIC DRUGS ANTILYMPHOCYTE SERUM BT *BLOOD SERUM ANTIMALARIALS BT *ANTIPARASITIC DRUGS NT CHLOROQUINE NT PRIMAQUINE NT QUININE ANTIMATERIEL AGENTS ANTIMATERIEL AMMUNITION BT *AMMUNITION ANTIMETABOLITES SUBSTANCES HAVING A MOLECULAR STRUCTURE SIMILAR TO AN ESSENTIAL METABOLITE BUT I NHIBITING OR OPPOSING ITS ACTION. UF BIOLOGICAL ANTAGONISTS UF COMPETITIVE ANTAGONISTS UF ENZYME ANTAGONISTS UF FOLIC ACID ANTAGONISTS UF METABOLISM INHIBITORS BT *CHEMOTHERAPEUTIC AGENTS NT METHOTREXATE ANTIMICROBIAL AGENTS BT *CHEMOTHERAPEUTIC AGENTS ANTIMISSILE DEFENSE SYSTEMS BT *AIR DEFENSE NT *BALLISTIC MISSILE INTERCEPT SYSTEMS NT MIDCOURSE DEFENSE NT THEATER MISSILE DEFENSE ANTIMONATES BT *ANTIMONY COMPOUNDS ANTIMONIDES BT *ANTIMONY COMPOUNDS NT GALLIUM ANTIMONIDES NT INDIUM ANTIMONIDES ANTIMONY BT *METALS ANTIMONY ALLOYS BT *METALLOID ALLOYS ANTIMONY COMPOUNDS BT *GROUP V COMPOUNDS NT ANTIMONATES NT *ANTIMONIDES ANTINAUSEANTS use ANTIEMETICS ANTINEOPLASTIC AGENTS PHARMACEUTICAL AGENTS WHICH INHIBIT THE GROWTH OF NEOPLASMS. BT DRUGS ANTIOXIDANTS UF INHIBITORS(OXIDATION) UF OXIDATION INHIBITORS BT ADDITIVES ANTIPARASITIC DRUGS BT *CHEMOTHERAPEUTIC AGENTS NT *ANTHELMINTICS NT ANTILEISHMANIAL DRUGS NT *ANTIMALARIALS ANTIPARASYMPATHOMIMETIC AGENTS use PARASYMPATHOLYTIC AGENTS ANTIPARKINSON AGENTS use PARASYMPATHOLYTIC AGENTS ANTIPARTICLES BT *ELEMENTARY PARTICLES NT ANTIPROTONS NT POSITRONS ANTIPERSONNEL AGENTS BT *CHEMICAL WARFARE AGENTS NT CHOKING AGENTS NT *INCAPACITATING AGENTS NT *NERVE AGENTS NT *VESICANTS ANTIPERSONNEL AMMUNITION UFC ANTIPERSONNEL BOMBS BT *AMMUNITION BT *ANTIPERSONNEL WEAPONS NT ANTIPERSONNEL MINES NT CANISTER PROJECTILES ANTIPERSONNEL BOMBS use ANTIPERSONNEL AMMUNITION and BOMBS ANTIPERSONNEL EFFECTS BT *WEAPONS EFFECTS ANTIPERSONNEL MINES BT *ANTIPERSONNEL AMMUNITION BT *LAND MINES ANTIPERSONNEL WEAPONS BT *WEAPONS NT *ANTIPERSONNEL AMMUNITION NT BOOBY TRAPS ANTIPEST IMPREGNANTS use PESTICIDES ANTIPLATELET DRUGS BT DRUGS ANTIPROTONS UF NEGATIVE PROTONS BT *ANTIPARTICLES BT CHARGED PARTICLES BT *NUCLEONS ANTIPYRETICS BT DRUGS ANTIRADAR COATINGS COATINGS OR STRUCTURES THAT ABSORB RADAR SIGNALS. BT *ANTIREFLECTION COATINGS ANTIRADIATION AGENTS use RADIOPROTECTIVE AGENTS ANTIRADIATION MISSILES BT GUIDED MISSILES ANTIRAIN AGENTS BT *WEATHER MODIFICATION ANTIREFLECTION COATINGS BT COATINGS BT *COUNTERMEASURES NT ANTIRADAR COATINGS NT ANTISONAR COATINGS NT NONREFLECTING COATINGS ANTISATELLITE DEFENSE SYSTEMS BT *SPACE DEFENSE ANTISATELLITE MISSILES MISSILES WHOSE TARGET IS AN ORBITING SAT ELLITE. BT GUIDED MISSILES ANTISCHISTOSOMAL DRUGS BT *ANTHELMINTICS ANTISEIZE COMPOUNDS BT LUBRICANTS ANTISENSE THERAPY ANTIVIRAL THERAPY USING SNIPPETS OF GENE TIC MATERIAL DESIGNED TO MAKE DISEASE-PR ODUCING VIRUSES INEFFECTIVE BY BINDING W ITH THEIR TRNA. BT *CHEMOTHERAPY ANTISEPTICS use GERMICIDES ANTISERUM use IMMUNE SERUMS ANTISHIP AMMUNITION BT *AMMUNITION NT ANTISHIP MISSILES NT *ANTISUBMARINE AMMUNITION NT *TORPEDOES ANTISHIP MISSILES BT *ANTISHIP AMMUNITION BT GUIDED MISSILES ANTISHIP WARFARE BT *NAVAL WARFARE ANTISONAR COATINGS BT *ANTIREFLECTION COATINGS BT *CAMOUFLAGE ANTISPASMODIC AGENTS AGENTS THAT PRODUCE SPASMOLYTIC ACTION O N SMOOTH MUSCLE. UF BRONCHODILATORS UF TRASENTINE BT *MUSCLE RELAXANTS ANTISUBMARINE AIRCRAFT ALL TYPES OF AIRCRAFT, INCLUDING AIRSHIP S, BOMBERS, DRONES, AND HELICOPTERS, FOR USE AGAINST SUBMARINES. BT *MILITARY AIRCRAFT ANTISUBMARINE AMMUNITION UF ANTISUBMARINE CHARGES UFC ANTISUBMARINE BOMBS BT *ANTISHIP AMMUNITION NT ANTISUBMARINE MISSILES NT DEPTH BOMBS NT *DEPTH CHARGES ANTISUBMARINE BOMBS use ANTISUBMARINE AMMUNITION and DEPTH BOMBS ANTISUBMARINE CHARGES use ANTISUBMARINE AMMUNITION ANTISUBMARINE DEFENSE SYSTEMS UFC ANTISUBMARINE NETS BT DEFENSE SYSTEMS ANTISUBMARINE FIRE CONTROL SYSTEMS BT *FIRE CONTROL SYSTEMS ANTISUBMARINE MISSILES MISSLES WHOSE TARGETS ARE SUBMARINES. BT *ANTISUBMARINE AMMUNITION BT *ANTISUBMARINE WEAPONS BT GUIDED MISSILES ANTISUBMARINE NETS use ANTISUBMARINE DEFENSE SYSTEMS and NETS ANTISUBMARINE TASK FORCES use ANTISUBMARINE WARFARE and TASK FORCES ANTISUBMARINE WARFARE UFC ANTISUBMARINE TASK FORCES BT *UNDERSEA WARFARE NT HUNTER KILLER GROUPS ANTISUBMARINE WEAPON PROJECTORS UFC DEPTH CHARGE PROJECTORS BT *PROJECTORS(ORDNANCE) ANTISUBMARINE WEAPONS ANY NAVAL DEVICE DESIGNATED TO DESTROY S UBMARINES. BT *WEAPONS NT ANTISUBMARINE MISSILES NT DEPTH BOMBS NT *DEPTH CHARGES ANTISWEEP MINES BT *NAVAL MINES ANTISWIMMER DEFENSE SYSTEMS BT DEFENSE SYSTEMS ANTITANK AIRCRAFT ROCKETS use AIRCRAFT ROCKETS and ANTITANK AMMUNITION ANTITANK AMMUNITION UFC ANTITANK AIRCRAFT ROCKETS UFC ANTITANK BOMBS UFC ANTITANK PROJECTILES UFC ANTITANK ROCKET HEADS UFC ANTITANK ROCKETS UFC AT ROCKETS UFC HEAT PROJECTILES(ANTITANK) BT *ANTIARMOR AMMUNITION ANTITANK BOMBS use ANTITANK AMMUNITION and BOMBS ANTITANK GUNS UF AT GUNS BT *ANTITANK WEAPONS BT *GUNS ANTITANK HELICOPTERS use ANTITANK WARFARE and HELICOPTERS ANTITANK MINES BT *LAND MINES ANTITANK MISSILES MISSILES DESIGNED TO DESTROY OR IMMOBILI ZE ENEMY TANKS. BT *ANTITANK WEAPONS BT GUIDED MISSILES ANTITANK PROJECTILES use ANTITANK AMMUNITION and PROJECTILES ANTITANK ROCKET HEADS use ANTITANK AMMUNITION and ROCKET WARHEADS ANTITANK ROCKETS use ANTITANK AMMUNITION and ROCKETS ANTITANK WARFARE UFC ANTITANK HELICOPTERS BT *TANK WARFARE ANTITANK WEAPONS BT *WEAPONS NT ANTITANK GUNS NT ANTITANK MISSILES ANTITHYROID AGENTS use THYROID AND ANTITHYROID AGENTS ANTITORPEDO TORPEDOES BT *TORPEDOES ANTITORQUE ROTORS BT *HELICOPTER ROTORS NT *TAIL ROTORS ANTITOXINS use TOXINS AND ANTITOXINS ANTITUBERCULAR AGENTS BT DRUGS ANTIVEHICLE WEAPONS BT *WEAPONS ANTIVIRAL AGENTS BT DRUGS ANTIVIRUS SOFTWARE BT *DATA PROCESSING SECURITY ANTI-AUXINS use HERBICIDES ANTS use FORMICIDAE ANXIETY BT *EMOTIONS AO(VESSELS) use TANKER SHIPS AORTA BT *ARTERIES AORTIC INSUFFICIENCY BT *CARDIOVASCULAR DISEASES BT *CIRCULATORY INSUFFICIENCIES APERTURES NT *ANTENNA APERTURES APES BT *PRIMATES NT CHIMPANZEES APEU VIRUSES BT *GROUP C ARBOVIRUSES APHASIA IMPAIRMENT IN THE USE OR COMPREHENSION O F LANGUAGE CAUSED BY LESIONS OF THE CERE BRAL CORTEX. BT *MENTAL DISORDERS NT AMNESIC APHASIA APLYSIA BT *GASTROPODA APOGEE BT *ELLIPTICAL ORBIT TRAJECTORIES APOMORPHINE use EMETICS APOPTOSIS PROGRAMMED CELL DESTRUCTION. BT *MORPHOLOGY(BIOLOGY) APPALACHIAN MOUNTAINS A MOUNTAIN RANGE IN E. NORTH AMERICA, EX TENDING FROM S. QUEBEC PROVINCE TO N. AL ABAMA. BT *MOUNTAINS APPARENT DENSITY BT *DENSITY APPENDAGES NT FLIPPERS APPETITE BT *PERCEPTION APPLICATORS BT *SMALL TOOLS NT PAINT APPLICATORS APPLIED MATHEMATICS BT MATHEMATICS APPLIED MECHANICS BT MECHANICS APPLIED PSYCHOLOGY UF PSYCHOTECHNOLOGY BT *PSYCHOLOGY NT INDUSTRIAL PSYCHOLOGY NT *MILITARY PSYCHOLOGY NT PROPAGANDA APPRENTICESHIP BT *INDUSTRIAL TRAINING APPROACH BT FLIGHT APPROACH INDICATORS BT *FLIGHT INSTRUMENTS BT *NAVIGATIONAL AIDS APPROACH LIGHTS BT *NAVIGATIONAL LIGHTS APPROXIMATE COMPUTATION use NUMERICAL ANALYSIS APPROXIMATION(MATHEMATICS) BT MATHEMATICS NT CHEBYSHEV APPROXIMATIONS NT HARTREE FOCK APPROXIMATION NT SMOOTHING(MATHEMATICS) NT TRUNCATION APRICOTS use FRUITS APRONS BT *PROTECTIVE CLOTHING APTITUDE TESTS UF VOCATIONAL TESTS BT PERFORMANCE TESTS BT *PSYCHOLOGICAL TESTS APTITUDES BT *LEARNING AQUALUNG use SCUBA APPARATUS AQUANAUTS BT PERSONNEL AQUATIC ANIMALS UF MARINE ANIMALS BT ANIMALS BT AQUATIC ORGANISMS NT AQUATIC INSECTS NT *CETACEA NT CYCLOSTOMATA NT DAPHNIA NT *ECHINODERMATA NT *FISHES NT *MARINE BORERS NT SEALS(MAMMALS) NT *SHELLFISH NT SPONGES AQUATIC BIOLOGY UF HYDROBIOLOGY BT *BIOLOGY NT MARINE BIOLOGY AQUATIC INSECTS BT *AQUATIC ANIMALS BT *INSECTS AQUATIC ORGANISMS NT *AQUATIC ANIMALS NT *AQUATIC PLANTS NT *PLANKTON AQUATIC PLANTS BT AQUATIC ORGANISMS BT *PLANTS(BOTANY) NT *AQUATIC WEEDS NT KELP AQUATIC WEEDS BT *AQUATIC PLANTS BT *WEEDS NT ALLIGATOR WEED NT WATER HYACINTH AQUEOUS SOLUTIONS BT *SOLUTIONS(MIXTURES) NT SALINE SOLUTION AQUICLUDES GEOLOGICAL FORMATIONS OF ROCK OR SOIL WH ICH, ALTHOUGH POROUS AND CAPABLE OF ABSO RBING WATER SLOWLY, WILL NOT TRANSMIT IT FAST ENOUGH TO FURNISH AN APPRECIABLE S UPPLY FOR A SPRING OR WELL. BT *GROUND WATER AQUICULTURE CULTIVATION OF NATURAL FAUNAL RESOURCES IN WATER. BT AGRICULTURE NT FISHERIES AQUIFERS BT *GROUND WATER NT WATER TABLE ARAB GUERRILLAS BT *GUERRILLA WARFARE ARABIA BT *MIDDLE EAST BT *SOUTHWEST ASIA NT BAHRAIN NT KUWAIT NT SAUDI ARABIA NT UNITED ARAB EMIRATES NT YEMEN ARABIAN SEA BT *INDIAN OCEAN NT OMAN GULF NT PERSIAN GULF NT *RED SEA ARABIC LANGUAGE BT *FOREIGN LANGUAGES ARABINOSE BT *PENTOSES ARABS BT *ETHNIC GROUPS NT PALESTINIANS ARACHNIDA UF ARACHNIDS BT *ARTHROPODA NT *MITES NT SPIDERS NT *TICKS ARACHNIDS use ARACHNIDA ARACHNOID use MENINGES ARAGONITE BT *CARBONATE MINERALS ARAMID FIBERS use POLYAMIDE PLASTICS and SYNTHETIC FIBERS ARBITRATION BT NEGOTIATIONS ARBOVIRUSES UF ARTHROPOD BORNE VIRUSES UFC ENCEPHALITIS VIRUSES BT *VIRUSES NT *ARENAVIRUSES NT CALIFORNIA ENCEPHALITIS VIRUS NT COLORADO TICK VIRUS NT *GROUP A ARBOVIRUSES NT *GROUP B ARBOVIRUSES NT *GROUP C ARBOVIRUSES NT RABIES VIRUS NT RIFT VALLEY FEVER VIRUS NT TICKBORNE VIRUSES ARC HEATERS BT HEATERS ARC HEATING BT HEATING ARC JET ENGINES ENGINES IN WHICH THRUST IS PROVIDED BY H EATING A GASEOUS PROPELLANT WITH AN ELEC TRIC ARC. UF ELECTROTHERMAL ENGINES BT *ELECTRIC ENGINES BT *ROCKET ENGINES ARC LAMPS BT *DISCHARGE LAMPS NT CARBON ARC LAMPS ARC MELTING BT *MELTING NT CONSUMABLE ELECTRODE PROCESS ARC SPRAYING BT COATINGS ARC WELDING BT *ELECTRIC WELDING BT *FUSION WELDING NT *GAS METAL ARC WELDING NT *INERT GAS WELDING NT PLASMA ARC WELDING NT SUBMERGED ARC WELDING ARC WELDS BT WELDS ARCH DAMS BT DAMS ARCHEOLOGISTS BT *SCIENTISTS ARCHEOLOGY BT SOCIAL SCIENCES NT FOSSILS ARCHES BT STRUCTURES ARCHIPELAGOES BT *ISLANDS NT BAHAMA ISLANDS NT GALAPAGOS ISLANDS NT *INDONESIA NT PHILIPPINES ARCHITECTS BT PERSONNEL NT MARINE ARCHITECTS ARCHITECTURE ARCHIVES BT INFORMATION CENTERS ARCTIC OCEAN BT *OCEANS NT BARENTS SEA NT BEAUFORT SEA NT CHUKCHI SEA NT KARA SEA NT WHITE SEA ARCTIC OCEAN ISLANDS BT *ISLANDS NT BAFFIN ISLAND NT BARTER ISLAND NT FRANZ JOSEF LAND NT *QUEEN ELIZABETH ISLANDS ARCTIC REGIONS BT *COLD REGIONS AREA BOMBING UF PATTERN BOMBING UF SCATTER BOMBING BT *BOMBING AREA COVERAGE UF FOOTPRINT(FLOOR SPACE) AREA DEFENSE BT DEFENSE SYSTEMS AREA DENIAL BT *INTERDICTION AREA SCANNING BT SCANNING AREA SECURITY BT SECURITY NT ANTIINTRUSION DEVICES AREA SUCTION BT *BOUNDARY LAYER CONTROL ARECOLINE BT *NICOTINIC ACID BT *PARASYMPATHOMIMETIC AGENTS ARENAVIRUSES ANY OF A GROUP OF VIRUSES MADE UP OF PLE MORPHIC VIRIONS, 50-300NM IN DIAMETER, H AVING 4 LARGE AND 1-3 SMALL SEGMENTS OF SINGLE-STRANDED RNA AND HAVING RIBOSOMES WITHIN THE VIRIONS THAT GIVE A SANDY AP PEARANCE. BT *ARBOVIRUSES NT HANTAAN VIRUS NT JUNIN VIRUS NT LASSA FEVER VIRUS NT MACHUPO VIRUS ARGASIDAE use TICKS ARGENTINA BT *SOUTH AMERICA ARGON BT *RARE GASES ARGON LASERS BT *GAS LASERS ARID LAND BT GEOGRAPHIC AREAS NT DESERTS NT *DRY LAKES ARITHMETIC BT MATHEMATICS NT ARITHMETIC UNITS NT DIVISION NT MULTIPLICATION ARITHMETIC GENUS use ALGEBRAIC GEOMETRY ARITHMETIC PROGRESSIONS use SERIES(MATHEMATICS) ARITHMETIC UNITS BT *ARITHMETIC ARIZONA BT *UNITED STATES ARKANSAS BT *UNITED STATES ARKANSAS RIVER BT *RIVERS ARMATURES BT ELECTRICAL EQUIPMENT ARMED FORCES(UNITED STATES) use MILITARY FORCES(UNITED STATES) ARMED FORCES MEDICINE use MILITARY MEDICINE ARMED FORCES POLICE use MILITARY POLICE ARMENIA BT *CIS BT *SOUTHWEST ASIA ARMING DEVICES UF ARMING UNITS UF EXTENDER MECHANISMS UFC BOMB ARMING UNITS UFC DEPTH CHARGE PISTOLS UFC FUZE ARMING UNITS UFC ROCKET ARMING UNITS UFC TORPEDO EXPLODER IMPELLERS BT *FIRING MECHANISMS(AMMUNITION) BT *FUZE FUNCTIONING ELEMENTS NT ARMING SEQUENCE ARMING SEQUENCE BT *ARMING DEVICES ARMING UNITS use ARMING DEVICES ARMOR BT ORDNANCE NT ARMOR PLATE NT BODY ARMOR NT COMPOSITE ARMOR NT RADIOLOGICAL ARMOR NT REACTIVE ARMOR NT ROLLED HOMOGENEOUS ARMOR NT SPACED ARMOR NT VEHICULAR ARMOR ARMOR PIERCING AMMUNITION UFC ARMOR PIERCING BOMBS UFC ARMOR PIERCING PROJECTILES UFC ARMOR PIERCING WARHEADS UFC SAP BOMBS BT *ANTIARMOR AMMUNITION ARMOR PIERCING BOMBS use ARMOR PIERCING AMMUNITION and BOMBS ARMOR PIERCING PROJECTILES use ARMOR PIERCING AMMUNITION and PROJECTILES ARMOR PIERCING WARHEADS use ARMOR PIERCING AMMUNITION and WARHEADS ARMOR PLATE BT *ARMOR BT PLATES ARMORED PERSONNEL CARRIERS BT *ARMORED VEHICLES ARMORED VEHICLES BT *MILITARY VEHICLES NT ARMORED PERSONNEL CARRIERS NT TANKS(COMBAT VEHICLES) ARMS(ANATOMY) BT *EXTREMITIES NT WRIST ARMS CONTROL BT CONTROL NT DISARMAMENT ARMY UF ARMY DEPARTMENT UFC ARMY MEDICINE BT *MILITARY FORCES(UNITED STATES) NT ARMY CORPS OF ENGINEERS NT *FIELD ARMY ARMY AIRCRAFT BT *MILITARY AIRCRAFT ARMY AVIATION BT AERONAUTICS ARMY BUDGETS BT *MILITARY BUDGETS ARMY CORPS OF ENGINEERS BT *ARMY ARMY DEPARTMENT use ARMY ARMY DEPOTS use ARMY FACILITIES and SUPPLY DEPOTS ARMY EQUIPMENT BT LOGISTICS BT *MILITARY EQUIPMENT ARMY FACILITIES AN ARMY BASE OR INSTALLATION NECESSARY F OR SUPPORT OF ARMY ACTIVITIES INCLUDING SECURITY, COMMUNICATIONS, UTILITIES, PLA NTS AND SYSTEMS, AND REAL PROPERTY FOR W HICH THE ARMY HAS OPERATING RESPONSIBILI TY. UFC ARMY DEPOTS BT *MILITARY FACILITIES ARMY INTELLIGENCE INCLUDES EVERY PHASE AND HANDLING OF INF ORMATION FROM ITS EVALUATION COLLATION, SYNTHESIS, INTERPRETATION AND PRESENTATI ON, TO ITS DISSEMINATION BY THE ARMY. BT *MILITARY INTELLIGENCE ARMY MEDICINE use ARMY and MILITARY MEDICINE ARMY OPERATIONS BT MILITARY OPERATIONS NT TRUCK CONVOYS ARMY PERSONNEL UF SOLDIERS BT *MILITARY PERSONNEL NT INFANTRY PERSONNEL ARMY PLANNING BT *MILITARY PLANNING ARMY PROCUREMENT BT *MILITARY PROCUREMENT ARMY RESEARCH BT MILITARY RESEARCH ARMY RESEARCH LABORATORIES BT *LABORATORIES ARMY TRAINING BT *MILITARY TRAINING AROMATIC COMPOUNDS BT ORGANIC COMPOUNDS NT *AROMATIC HYDROCARBONS NT *PHENOLS AROMATIC HYDROCARBONS BT *AROMATIC COMPOUNDS BT *UNSATURATED HYDROCARBONS NT ANTHRACENES NT *BENZENE NT *BENZENE COMPOUNDS NT *BIPHENYL NT CUMENES NT FLUORENES NT NAPHTHALENES NT PHENANTHRENES NT STYRENES NT *TOLUENES NT XYLENES ARRAYS NT *ACOUSTIC ARRAYS NT *ANTENNA ARRAYS NT LASER ARRAYS NT LINEAR ARRAYS NT PHASED ARRAYS NT SEISMIC ARRAYS NT SUSPENDED ARRAYS NT TOWED ARRAYS ARRESTING(PROCESS) ARRESTING GEAR BT LANDING AIDS ARRHENIUS EQUATION BT *REACTION KINETICS ARRHYTHMIA UF VENTRICULAR FIBRILLATION BT *CARDIOVASCULAR DISEASES ARRIVAL NT ANGLE OF ARRIVAL ARROW-TYPE PROJECTILES use FIN STABILIZED AMMUNITION and PROJECTILES ARSENATES BT *ARSENIC COMPOUNDS ARSENIC BT *METALLOIDS ARSENIC AGENTS BT *VESICANTS ARSENIC ALLOYS BT *METALLOID ALLOYS ARSENIC COMPOUNDS BT *GROUP V COMPOUNDS BT *NONMETALLIC COMPOUNDS NT ARSENATES NT ARSENIC SULFIDES NT *ARSENIDES NT ARSINES NT ARSONIC ACID ARSENIC SULFIDES BT *ARSENIC COMPOUNDS BT *SULFIDES ARSENIDES BT *ARSENIC COMPOUNDS NT *ALUMINUM ARSENIDES NT *GALLIUM ARSENIDES NT INDIUM ARSENIDES ARSINES BT *ARSENIC COMPOUNDS ARSONIC ACID BT *ACIDS BT *ARSENIC COMPOUNDS ARTERENOL use NOREPINEPHRINE ARTERIES UFC ARTERIOLONECROSIS BT *BLOOD VESSELS NT AORTA NT AXILLARY ARTERIES NT CAROTID ARTERIES NT CORONARY ARTERIES NT FEMORAL ARTERIES NT PULMONARY ARTERIES ARTERIOLONECROSIS use ARTERIES and NECROSIS ARTHRITIS BT *MUSCULOSKELETAL DISEASES BT *RHEUMATIC DISEASES ARTHROPLASTY use JOINTS(ANATOMY) and PROSTHETICS and SURGERY ARTHROPOD BORNE DISEASES BT DISEASES NT *MOSQUITO BORNE DISEASES NT TICKBORNE DISEASES ARTHROPOD BORNE VIRUSES use ARBOVIRUSES ARTHROPODA UFC COMPOUND EYE BT *INVERTEBRATES NT *ARACHNIDA NT *CRUSTACEA NT DAPHNIA NT *INSECTS ARTIFACTS ARTIFICIAL EYES use EYE and PROSTHETICS ARTIFICIAL HEART use HEART and MECHANICAL ORGANS ARTIFICIAL INTELLIGENCE SIMULATION OF HUMAN THOUGHT PROCESSES BY COMPUTERS AND OTHER MACHINES. BT BIONICS NT *EXPERT SYSTEMS NT HYPERTEXT ARTIFICIAL KIDNEY use KIDNEYS and MECHANICAL ORGANS ARTIFICIAL LEATHER BT *LEATHER BT *SYNTHETIC MATERIALS ARTIFICIAL LIMBS BT *PROSTHETICS ARTIFICIAL LUNGS use RESPIRATORS ARTIFICIAL PRECIPITATION BT PRECIPITATION BT *WEATHER MODIFICATION ARTIFICIAL RADIOACTIVITY BT RADIOACTIVITY ARTIFICIAL RESPIRATION BT *RESPIRATION BT *THERAPY ARTIFICIAL SATELLITES UF ORBITING SATELLITES UF SATELLITE VEHICLES UF SATELLITES(ARTIFICIAL) BT SPACECRAFT NT COMMUNICATION SATELLITES NT GEODETIC SATELLITES NT LUNAR SATELLITES NT MANEUVERING SATELLITES NT *MILITARY SATELLITES NT NAVIGATION SATELLITES NT RECONNAISSANCE SATELLITES NT SATELLITE NETWORKS NT *SCIENTIFIC SATELLITES NT SOLAR SATELLITES NT STRATEGIC SATELLITES NT SYNCHRONOUS SATELLITES ARTIFICIAL SOILS BT SOILS BT *SYNTHETIC MATERIALS ARTIFICIAL TISSUE BT *PROSTHETICS BT TISSUES(BIOLOGY) ARTILLERY BT *WEAPONS NT ARTILLERY ROCKETS NT HOWITZERS NT SELF PROPELLED GUNS NT SPOTTING RIFLES ARTILLERY AMMUNITION UFC ARTILLERY SHELLS BT *AMMUNITION ARTILLERY FIRE BT *GUNFIRE BT GUNNERY ARTILLERY ROCKETS BT *ARTILLERY BT ROCKETS ARTILLERY SHELLS use ARTILLERY AMMUNITION and PROJECTILES ARTILLERY UNITS BT *MILITARY ORGANIZATIONS ARYL ETHERS BT *ETHERS NT ANISOLE NT PHENYL ETHER ARYL RADICALS BT *ORGANIC RADICALS NT BENZYL RADICALS NT CARBORANYL RADICALS NT PHENYL RADICALS ASBESTOS BT FIBERS BT MINERALS ASCARIS BT *NEMATODA ASCENSION ISLAND BT *ATLANTIC OCEAN ISLANDS ASCENT TRAJECTORIES INITIAL TRAJECTORIES OF VEHICLES FROM TH EIR LAUNCHING POINTS TO THE POINT OF INJ ECTION INTO ORBIT. ALSO, ASCENT THROUGH THE EARTH'S ATMOSPHERE. BT *TRAJECTORIES NT AIR TO SPACE NT TAKEOFF ASCITES BT *GASTROINTESTINAL DISEASES ASCOMYCETES BT *FUNGI NT *COCCIDIOIDES NT SACCHAROMYCETES NT YEASTS ASCORBATES BT *ASCORBIC ACID BT *ESTERS ASCORBIC ACID UF VITAMIN C BT VITAMINS NT ASCORBATES ASEISMIC AREAS BT GEOGRAPHIC AREAS ASEPSIS BT *THERAPY ASHES BT COMBUSTION PRODUCTS ASIA BT *EURASIA NT *FAR EAST NT *NORTHEAST ASIA NT *SOUTH ASIA ASPARTIC ACID BT *AMINO ACIDS ASPECT ANGLE BT ANGLES ASPECT RATIO BT RATIOS ASPHALT UF ASPHALTITE BT *PITCH(MATERIAL) ASPHALTITE use ASPHALT ASPHERICAL LENSES BT *CAMERA LENSES BT *CURVED PROFILES BT LENSES ASPHYXIATION BT *PATHOLOGY ASPIRATORS BT *BREATHING APPARATUS ASPIRIN use SALICYLIC ACIDS ASPOROGENOUS BACTERIA BT *BACTERIA ASSASSINATION THE ACT OF ASSASSINATING, KILLING BY TRE ACHEROUS VIOLENCE; TO MURDER VIOLENTLY, ESPECIALLY GOVERNMENT OFFICIALS. BT *TERRORISM ASSAULT BT CRIMES ASSAULT BARGES use LANDING CRAFT ASSAYING BT CHEMICAL ANALYSIS BT MEASUREMENT NT BIOASSAY ASSEMBLERS BT *INDUSTRIAL PERSONNEL ASSEMBLY BT FABRICATION ASSEMBLY LANGUAGES BT *PROGRAMMING LANGUAGES ASSEMBLY LINES BT *MASS PRODUCTION ASSIGNMENT use ALLOCATIONS ASSIMILATION ASSOCIATIONS use ORGANIZATIONS ASSOCIATIVE PROCESSING BT *DATA PROCESSING ASSURED DESTRUCTION A HIGHLY RELIABLE ABILITY TO INFLICT UNA CCEPTABLE DAMAGE ON ANY OPPONENT OR COMB INATION OF OPPONENTS AT ANY TIME DURING THE COURSE OF A NUCLEAR WAR; EVEN AFTER ABSORBING A SURPRISE FIRST STRIKE. BT DESTRUCTION ASTATINE BT *HALOGENS BT *METALLOIDS ASTATINE COMPOUNDS BT *HALOGEN COMPOUNDS BT *NONMETALLIC COMPOUNDS ASTEROIDS BT *SOLAR SYSTEM ASTHMA BT *ALLERGIC DISEASES BT *RESPIRATORY DISEASES ASTIGMATISM BT *EYE DISEASES NT NYSTAGMUS ASTRIONICS BT *AVIONICS ASTRO COMMUNICATION SYSTEMS use SPACE COMMUNICATIONS ASTROBIOLOGY use SPACE BIOLOGY ASTROCYTES BT *NERVE CELLS ASTROGEOLOGY BT *GEOLOGY NT LUNAR GEOLOGY ASTRONAUTICS BT SPACE SCIENCES NT AEROSPACE SYSTEMS ASTRONAUTS UF COSMONAUTS BT *SPACE CREWS ASTRONOMERS BT *SCIENTISTS ASTRONOMICAL BODIES BT *ASTRONOMY NT NEBULAE NT *RADIO SOURCES(ASTRONOMY) NT *SOLAR SYSTEM NT SPACE OBJECTS NT *STARS ASTRONOMICAL CAMERAS UF SCHMIDT CAMERAS BT *CAMERAS NT SPECTROHELIOGRAPHS ASTRONOMICAL GEODESICS use GEODETIC ASTRONOMY ASTRONOMICAL INSTRUMENTS BT *INSTRUMENTATION NT PYRANOMETERS ASTRONOMICAL OBSERVATORIES UF OBSERVATORIES(ASTRONOMICAL) BT *OBSERVATORIES NT SOLAR OBSERVATORIES ASTRONOMY UF CELESTIAL OBSERVATION BT PHYSICAL SCIENCES NT ALBEDO(ASTRONOMY) NT *ASTRONOMICAL BODIES NT ASTROPHYSICS NT RADAR ASTRONOMY NT *RADIO ASTRONOMY NT SPHERICAL ASTRONOMY NT STELLAR EVOLUTION NT X RAY ASTRONOMY ASTROPHYSICS BT *ASTRONOMY BT *PHYSICS BT SPACE SCIENCES ASYMMETRY BT SYMMETRY ASYMPTOTIC EXPANSION use ASYMPTOTIC SERIES ASYMPTOTIC NORMALITY BT *NORMALITY ASYMPTOTIC SERIES UF ASYMPTOTIC EXPANSION BT *SERIES(MATHEMATICS) ASYNCHRONOUS COMPUTERS BT ASYNCHRONOUS SYSTEMS BT *COMPUTERS ASYNCHRONOUS SYSTEMS NT ASYNCHRONOUS COMPUTERS ASYNCHRONOUS TRANSFER MODE BT *ELECTRONIC SWITCHING AT GUNS use ANTITANK GUNS AT ROCKETS use ANTITANK AMMUNITION and ROCKETS ATABRINE use CINCHONA ALKALOIDS ATARAXICS use TRANQUILIZERS ATAXIA BT *CENTRAL NERVOUS SYSTEM BT *MUSCLES ATELECTASIS BT *RESPIRATORY DISEASES ATHEROSCLEROSIS BT *CARDIOVASCULAR DISEASES ATISINE use ALKALOIDS ATLANTIC OCEAN BT *OCEANS NT *NORTH ATLANTIC OCEAN NT SOUTH ATLANTIC OCEAN ATLANTIC OCEAN ISLANDS BT *ISLANDS NT ASCENSION ISLAND NT AZORES NT BERMUDA NT BLOCK ISLAND NT CANARY ISLANDS NT FALKLAND ISLANDS NT FAROE ISLANDS NT GREENLAND NT ICELAND NT IRELAND NT UNITED KINGDOM NT *WEST INDIES ATMOSPHERE ENTRY UF ATMOSPHERE REENTRY UF REENTRY AERODYNAMICS ATMOSPHERE MODELS BT MODELS NT IONOSPHERIC MODELS ATMOSPHERE REENTRY use ATMOSPHERE ENTRY ATMOSPHERES UFC ATMOSPHERIC MOISTURE CONTENT NT *CONTROLLED ATMOSPHERES NT MAGNETOSPHERE NT MARINE ATMOSPHERES NT *PLANETARY ATMOSPHERES NT RAREFIED ATMOSPHERES NT *STELLAR ATMOSPHERES ATMOSPHERIC ABSORPTION use ATMOSPHERIC ATTENUATION ATMOSPHERIC ATTENUATION A PROCESS IN WHICH THE FLUX DENSITY OF A PARALLEL BEAM OF ENERGY DECREASES WITH INCREASING DISTANCE FROM THE SOURCE AS A RESULT OF ABSORPTION OR SCATTERING BY T HE ATMOSPHERE. UF ATMOSPHERIC ABSORPTION BT *ATTENUATION ATMOSPHERIC CHEMISTRY BT *CHEMISTRY NT IONOSPHERIC CHEMISTRY ATMOSPHERIC CONDENSATION BT *CONDENSATION BT METEOROLOGICAL PHENOMENA NT *CLOUD COVER NT *CLOUDS NT CONDENSATION TRAILS NT *DEW ATMOSPHERIC CONTAMINATION use AIR POLLUTION ATMOSPHERIC CORROSION BT *CORROSION ATMOSPHERIC DENSITY BT *DENSITY ATMOSPHERIC DISTURBANCES NT GREENHOUSE EFFECT NT *IONOSPHERIC DISTURBANCES ATMOSPHERIC ELECTRICITY BT ELECTRICITY BT METEOROLOGICAL PHENOMENA NT LIGHTNING ATMOSPHERIC HEAVE BT *ATMOSPHERIC MOTION BT HEAVING ATMOSPHERIC IMPURITIES use AIR POLLUTION ATMOSPHERIC MOISTURE CONTENT use ATMOSPHERES and HUMIDITY ATMOSPHERIC MOTION MOVEMENTS OF AIR MASSES IN THE EARTH'S A TMOSPHERE, ESPECIALLY LARGE-SCALE CIRCUL ATION PATTERNS. UF ATMOSPHERIC TURBULENCE BT METEOROLOGICAL PHENOMENA BT MOTION NT ANTICYCLONES NT ATMOSPHERIC HEAVE NT ATMOSPHERIC TIDES NT CLEAR AIR TURBULENCE NT *CYCLONES NT *WIND ATMOSPHERIC PHYSICS UF AEROPHYSICS BT *PHYSICS NT *ATMOSPHERIC SCATTERING NT CLOUD PHYSICS ATMOSPHERIC POLLUTION use AIR POLLUTION ATMOSPHERIC PRECIPITATION NATURAL PRECIPITATION IN THE METEOROLOGI CAL SENSE. BT METEOROLOGICAL PHENOMENA BT PRECIPITATION NT *HYDROMETEORS ATMOSPHERIC PRESSURE use BAROMETRIC PRESSURE ATMOSPHERIC REFRACTION REFRACTION PHENOMENA OBSERVED IN LIGHT O RIGINATING FROM A SOURCE OUTSIDE THE EAR TH'S ATMOSPHERE. UF RAINBOWS UFC ATMOSPHERIC REFRACTION INDEX BT METEOROLOGICAL PHENOMENA BT REFRACTION ATMOSPHERIC REFRACTION INDEX use ATMOSPHERIC REFRACTION and REFRACTIVE INDEX ATMOSPHERIC SCATTERING BT *ATMOSPHERIC PHYSICS BT SCATTERING NT AFTERGLOWS ATMOSPHERIC SOUNDING BT SOUNDING ATMOSPHERIC TEMPERATURE BT METEOROLOGICAL PHENOMENA BT TEMPERATURE NT LAPSE RATE NT TEMPERATURE INVERSION ATMOSPHERIC TIDES UF TIDES(ATMOSPHERIC) BT *ATMOSPHERIC MOTION BT TIDES ATMOSPHERIC TURBULENCE use ATMOSPHERIC MOTION ATMOSPHERIC WINDOWS BT *WINDOWS ATMOSPHERICS DISTURBANCES PRODUCED IN ELECTRONIC COMM UNICATIONS DEVICES BY ATMOSPHERIC ELECTR ICAL PHENOMENA. UF SFERICS UF SPHERICS BT *RADIO WAVES NT DAWN CHORUS NT PRECIPITATION STATIC NT WHISTLERS ATOLLS BT *CORAL REEFS BT *ISLANDS NT BIKINI ATOLL NT ENEWETAK ATOLL NT KWAJALEIN ATOLL ATOM RECOMBINATION use RECOMBINATION REACTIONS ATOMIC BEAMS BT *PARTICLE BEAMS ATOMIC BOMB DAMAGE use NUCLEAR EXPLOSION DAMAGE ATOMIC BOMB EXPLOSIONS use NUCLEAR EXPLOSIONS ATOMIC BOMB TESTS use NUCLEAR EXPLOSION TESTING ATOMIC BOMBS use NUCLEAR BOMBS ATOMIC CHARGE BT ATOMIC PROPERTIES ATOMIC CLOCKS BT *CLOCKS BT TIMING DEVICES ATOMIC DEMOLITION MUNITIONS BT *NUCLEAR WEAPONS ATOMIC ENERGY use NUCLEAR ENERGY ATOMIC ENERGY ENGINEERING use NUCLEAR ENGINEERING ATOMIC ENERGY LEVELS BT *ATOMIC STRUCTURE BT ENERGY LEVELS NT GROUND STATE ATOMIC ENERGY PLANTS use NUCLEAR POWER PLANTS ATOMIC EXPLOSIONS use NUCLEAR EXPLOSIONS ATOMIC LAYER EPITAXY BT *EPITAXIAL GROWTH ATOMIC MASS UNIT use ATOMIC PROPERTIES ATOMIC NUMBER use ATOMIC PROPERTIES ATOMIC ORBITALS BT *ATOMIC STRUCTURE ATOMIC PILES use NUCLEAR REACTORS ATOMIC POWER PLANTS use NUCLEAR POWER PLANTS ATOMIC PROPERTIES PROPERTIES OF ATOMS ARISING FROM THEIR N ATURE AS CONSTITUENT PARTS OF SUBSTANCES AS DISTINCT FROM MATERIAL PROPERTIES RE SULTING FROM THE ARRANGMENT OF ATOMS INT O MOLECULES AND SOLIDS. UF ATOMIC MASS UNIT UF ATOMIC NUMBER UF ATOMIC WEIGHT NT ATOMIC CHARGE NT *ATOMIC SPECTRA NT *ATOMIC STRUCTURE NT MASS NUMBER NT *SPIN STATES ATOMIC RADII use ATOMIC STRUCTURE ATOMIC REACTORS use NUCLEAR REACTORS ATOMIC SPECTRA BT ATOMIC PROPERTIES BT *ELECTROMAGNETIC SPECTRA NT RYDBERG CONSTANT NT STARK EFFECT NT ZEEMAN EFFECT ATOMIC SPECTROSCOPY BT SPECTROSCOPY ATOMIC STRUCTURE INCLUDES INTERNAL STRUCTURES AND CHARACT ERISTICS DIFFERENTIATING ONE FROM ANOTHE R. UF ATOMIC RADII BT ATOMIC PROPERTIES NT *ATOMIC ENERGY LEVELS NT ATOMIC ORBITALS ATOMIC TRANSMUTATION use NUCLEAR REACTIONS ATOMIC WARFARE use NUCLEAR WARFARE ATOMIC WEIGHT use ATOMIC PROPERTIES ATOMIZATION CONVERSION OF A LIQUID OR SOLID TO A FIN E SPRAY, MINUTE PARTICLES, OR LIGHT DUST . UF NEBULIZATION ATOMS NT ADATOMS NT RECOIL ATOMS NT STRIPPED ATOMS ATP use ADENOSINE PHOSPHATES ATROPHY BT *PATHOLOGY NT LIPOATROPHY ATROPINE BT *BELLADONNA ALKALOIDS BT *NITROGEN HETEROCYCLIC COMPOUNDS ATROPINE TOLERANCE use TOXIC TOLERANCES ATTACHMENT BT JOINING NT MOORING NT TETHERING ATTACK NT ANGLE OF ATTACK NT BOMBARDMENT(ATTACK) NT RAIDS NT TORPEDO ATTACK ATTACK AIRCRAFT BT *TACTICAL AIRCRAFT NT ATTACK BOMBERS NT ATTACK HELICOPTERS ATTACK BOMBERS BT *ATTACK AIRCRAFT BT *BOMBER AIRCRAFT ATTACK HELICOPTERS BT *ATTACK AIRCRAFT BT *HELICOPTERS ATTACK SUBMARINES BT *SUBMARINES ATTENTION UF ALERTNESS BT *BEHAVIOR ATTENUATION BT LOSSES NT ACOUSTIC ATTENUATION NT ATMOSPHERIC ATTENUATION NT RADIATION ATTENUATION NT TRANSMISSION LOSS ATTENUATORS NT *MUFFLERS ATTITUDE(INCLINATION) BT ORIENTATION(DIRECTION) NT LEVELING NT PITCH(INCLINATION) NT *ROLL NT SATELLITE ATTITUDE NT SKEWNESS NT TILT NT YAW ATTITUDE CONTROL SYSTEMS THE PART OF THE FLIGHT CONTROL SYSTEM TH AT DIRECTS AND MAINTAINS THE DESIRED ATT ITUDE OF AN AIRCRAFT OR SPACECRAFT. BT *FLIGHT CONTROL SYSTEMS NT *THRUST VECTOR CONTROL SYSTEMS ATTITUDE INDICATORS UF AIRSTREAM DIRECTION DETECTORS UF TURN AND BANK INDICATORS BT *FLIGHT INSTRUMENTS NT HORIZON SCANNERS NT HORIZONTAL INDICATORS NT YAWMETERS ATTITUDES(PSYCHOLOGY) BT *BEHAVIOR NT COOPERATION ATTORNEYS BT PERSONNEL ATTRITION BT *MILITARY TACTICS AUDIO AMPLIFIERS UF AUDIOFREQUENCY AMPLIFIERS BT AMPLIFIERS AUDIO FREQUENCY 15 TO 20,000 HZ. UF AUDIOFREQUENCY UFC AUDIOFREQUENCY OSCILLATORS UFC AUDIOFREQUENCY TRANSFORMERS BT FREQUENCY AUDIO TAPES BT TAPES AUDIO TONES BT *SOUND AUDIOFREQUENCY use AUDIO FREQUENCY AUDIOFREQUENCY AMPLIFIERS use AUDIO AMPLIFIERS AUDIOFREQUENCY OSCILLATORS use AUDIO FREQUENCY and OSCILLATORS AUDIOFREQUENCY TRANSFORMERS use AUDIO FREQUENCY and TRANSFORMERS AUDIOLOGISTS BT *MEDICAL PERSONNEL AUDIOMETERS use AUDIOMETRY AUDIOMETRY THE MEASUREMENT AND TESTING OF HEARING A CUITY FOR VARIATIONS IN SOUND INTENSITY AND PITCH AND FOR TONAL PURITY. UF AUDIOMETERS AUDIOVISUAL AIDS BT VISUAL AIDS AUDITING BT *ACCOUNTING AUDITORY ACUITY BT ACUITY BT *HEARING AUDITORY AFTERIMAGES use AFTERIMAGES and HEARING AUDITORY DEFECTS NT DEAFNESS AUDITORY ILLUSIONS use HEARING and ILLUSIONS AUDITORY NERVE BT *CRANIAL NERVES AUDITORY PERCEPTION BT *PERCEPTION NT PSYCHOACOUSTICS AUDITORY SIGNALS UF CHIMES BT *ACOUSTIC SIGNALS AUDITORY THRESHOLDS use HEARING and THRESHOLDS(PHYSIOLOGY) AUGER ELECTRON SPECTROSCOPY BT *ELECTRON SPECTROSCOPY NT AUGER ELECTRONS AUGER ELECTRONS BT *AUGER ELECTRON SPECTROSCOPY BT *ELECTRONS AUGERS BT TOOLS AUGMENTATION UF ENHANCEMENT NT OPTICAL AUGMENTATION NT THRUST AUGMENTATION AURORAE BT *IONOSPHERIC DISTURBANCES AUS FORMING use HOT WORKING AUSTENITE BT *STEEL AUSTRALIA BT GEOGRAPHIC AREAS AUSTRIA BT *CENTRAL EUROPE BT *WESTERN EUROPE AUTOCLAVES BT CONTAINERS AUTOCORRELATION BT *CORRELATION TECHNIQUES AUTOCOVARIANCE FUNCTIONS use STATISTICAL FUNCTIONS AUTOFRETTAGE BT *METALWORKING AUTOGYRO ROTOR BLADES use ROTOR BLADES(ROTARY WINGS) AUTOGYRO ROTORS BT *ROTARY WINGS AUTOGYROS BT *ROTARY WING AIRCRAFT AUTOIGNITION SPONTANEOUS IGNITION OF FUELS OR PROPELL ANTS OWING TO HIGH ENGINE TEMPERATURES, CHEMICAL IMPURITIES, ETC. UF SELF-IGNITION BT *IGNITION AUTOIMMUNE DISEASES BT DISEASES AUTOIMMUNE REACTIONS BT *IMMUNITY AUTOIMMUNIZATION BT *IMMUNIZATION AUTOINJECTION use AUTOINTRUSION AUTOINTRUSION A PROCESS WHEREIN THE RESIDUAL LIQUID OF A DIFFERENTIATING MAGMA IS DRAWN INTO R IFTS FORMED IN THE CRYSTAL MESH AT A LAT E STAGE BY DEFORMATION OF UNSPECIFIED OR IGIN. UF AUTOINJECTION AUTOMATA BT *INFORMATION THEORY AUTOMATIC NT SEMIAUTOMATIC AUTOMATIC FREQUENCY CONTROL UF AFC AUTOMATIC GAIN CONTROL UF AGC(ELECTRONICS) UF AUTOMATIC VOLUME CONTROL AUTOMATIC GUNS use AUTOMATIC WEAPONS and GUNS AUTOMATIC PILOTS DEVICES FOR MAINTAINING A PRE-DETERMINED COURSE OR FLIGHT ATTITUDE FOR AN AIRCRA FT, MISSILE, ETC. UF AUTOPILOTS BT *FLIGHT CONTROL SYSTEMS AUTOMATIC PROGRAMMING BT COMPUTER PROGRAMMING AUTOMATIC ROCKET LAUNCHERS use AUTOMATIC WEAPONS and ROCKET LAUNCHERS AUTOMATIC TRACKING BT TRACKING AUTOMATIC TRANSMISSIONS BT *TRANSMISSIONS(MECHANICAL) AUTOMATIC VOICE NETWORK BT *COMMUNICATIONS NETWORKS AUTOMATIC VOLUME CONTROL use AUTOMATIC GAIN CONTROL AUTOMATIC WEAPONS UFC AUTOMATIC GUNS UFC AUTOMATIC ROCKET LAUNCHERS BT *WEAPONS NT *MACHINE GUNS AUTOMATION BT *ADAPTIVE CONTROL SYSTEMS AUTOMOBILE EXHAUST BT *AIR POLLUTION BT *EXHAUST GASES AUTOMOBILES use PASSENGER VEHICLES AUTOMOTIVE COMPONENTS BT *AUTOMOTIVE VEHICLES AUTOMOTIVE ENGINEERING BT ENGINEERING AUTOMOTIVE ENGINEERS BT *ENGINEERS AUTOMOTIVE FUELS BT FUELS AUTOMOTIVE INDUSTRY THE MANUFACTURE OF AUTOMOBILES, TRUCKS, AND OTHER SELF-PROPELLED DEVICES FOR THE TRANSPORTATION OF PASSENGERS AND CARGO ON LAND. BT INDUSTRIES AUTOMOTIVE VEHICLES BT *PASSENGER VEHICLES NT AUTOMOTIVE COMPONENTS NT ELECTRIC AUTOMOBILES AUTONOMIC AGENTS DRUGS THAT ACT PERIPHERALLY, NOT ON AUTO NOMIC NERVES, BUT DIRECTLY ON MUSCLE AND GLAND CELLS. UF GANGLIONIC BLOCKING AGENTS BT DRUGS NT *PARASYMPATHOLYTIC AGENTS NT *PARASYMPATHOMIMETIC AGENTS NT SYMPATHOLYTIC AGENTS NT *SYMPATHOMIMETIC AGENTS AUTONOMIC NERVOUS SYSTEM UF ADRENERGIC NERVES UF PARASYMPATHETIC NERVOUS SYSTEM BT *NERVOUS SYSTEM NT CHOLINERGIC NERVES NT SYMPATHETIC NERVOUS SYSTEM AUTONOMOUS NAVIGATION BT NAVIGATION AUTOPILOTS use AUTOMATIC PILOTS AUTOPSY BT *PATHOLOGY AUTORADIOGRAPHY UF RADIOAUTOGRAPHY BT *RADIOGRAPHY AUTOROTATION UF WINDMILLING BT *ROTATION AUTOSYNS use SYNCHROS AUTOTRANSFORMERS BT TRANSFORMERS BT VOLTAGE DIVIDERS AUTUMN BT SEASONS AUXILIARY AUXILIARY BRAKES use BRAKES AUXILIARY GENERATORS use STANDBY GENERATORS AUXILIARY POWER PLANTS SYSTEMS FOR GENERATING POWER THAT IS NOT APPLIED TO THE PROPULSION OF A VEHICLE, BUT IS USED TO OPERATE PERIPHERAL EQUIP MENT. UF POWER PLANTS(AUXILIARY) BT BACKUP SYSTEMS BT ELECTRIC POWER PLANTS AUXINS use GROWTH SUBSTANCES AVAILABILITY THE QUALITY OR CONDITION OF BEING AVAILA BLE. AVAILABLE IS THAT THAT CAN BE GOT, HAD OR REACHED, HANDY OR ACCESSIBLE. NT ISOTOPE AVAILABILITY AVALANCHE DIODES UF BREAKDOWN DIODES UF ZENER DIODES BT *SEMICONDUCTOR DIODES NT IMPATT DIODES AVALANCHE EFFECT(ELECTRONICS) BT ELECTRONICS AVALANCHES UF EARTH SLIDES UF ROCK SLIDES UF SNOW SLIDES AVES use BIRDS AVIATION ACCIDENTS UF AIRCRAFT ACCIDENTS BT ACCIDENTS NT *CRASH LANDINGS AVIATION FUELS BT FUELS NT AVIATION GASOLINE AVIATION GASOLINE BT *AVIATION FUELS BT *GASOLINE AVIATION GOGGLES PROTECTIVE EYE EQUIPMENT USED ESPECIALLY BY FLIGHT CREWS TO AVOID INJURY, SPLASH -BLINDNESS AND ASSOCIATED HAZARDS. BT *GOGGLES AVIATION INJURIES BT WOUNDS AND INJURIES AVIATION MEDICINE BT *MEDICINE AVIATION PERSONNEL BT PERSONNEL NT AERIAL GUNNERS NT AIR TRAFFIC CONTROLLERS NT AVIATION TECHNICIANS NT FLIGHT SURGEONS NT NAVIGATOR BOMBARDIERS NT PILOTS AVIATION SAFETY BT SAFETY NT AIRWORTHINESS AVIATION TECHNICIANS BT *AVIATION PERSONNEL BT *TECHNICIANS AVIONICS BT ELECTRONICS NT ASTRIONICS AVOIDANCE NT COLLISION AVOIDANCE NT TERRAIN AVOIDANCE AWARDS BT MORALE AWARENESS BT COGNITION NT SITUATIONAL AWARENESS AXES BT COORDINATES AXES(COORDINATES) use COORDINATES AXIAL FLOW BT *AXISYMMETRIC FLOW AXIAL FLOW COMPRESSOR BLADES ROTOR AND STATOR BLADES FOR AXIAL FLOW C OMPRESSORS. BT *COMPRESSOR BLADES AXIAL FLOW COMPRESSORS COMPRESSORS THAT FORCE THE FLUID IN A ST RAIGHT LINE PARALLEL TO THE AXIS OF THE ROTATING IMPELLER. BT *ROTARY COMPRESSORS AXIAL FLOW FANS FANS GENERATING FLUID FLOW PARALLEL TO T HE AXIS OF ROTATION OF THE BLADES. BT *FANS NT VANEAXIAL FANS AXIAL FLOW TURBINE ROTORS BT ROTORS BT *TURBINE COMPONENTS AXIAL FLOW TURBINES TURBINES OPERATED BY THE PASSAGE OF A FL UID PARALLEL TO THE AXIS OF ROTATION OF THE ROTOR. BT *TURBINES AXIAL LOADS A FORCE WITH ITS RESULTANT PASSING THROU GH THE CENTROID OF A PARTICULAR SECTION AND BEING PERPENDICULAR TO THE PLANE OF THE SECTION. UF UNIAXIAL LOADS BT LOADS(FORCES) AXIAL SUPERCHARGERS use SUPERCHARGERS AXIALLY SYMMETRIC FLOW use AXISYMMETRIC FLOW AXIAL-FLOW PUMPS use PROPELLER PUMPS AXILLARY ARTERIES BT *ARTERIES AXISYMMETRIC BT SYMMETRY AXISYMMETRIC FLOW FLOW OF FLUID THROUGH AN AXIALLY SYMMETR IC DEVICE SUCH THAT THE DIRECTION OF THE FLOW IS ALONG THE AXIS OF SYMMETRY. UF AXIALLY SYMMETRIC FLOW BT *FLUID FLOW NT ANNULAR FLOW NT AXIAL FLOW AXLE SHAFTS BT SHAFTS(MACHINE ELEMENTS) BT *VEHICLE CHASSIS COMPONENTS AXON PLASMA BT *NERVE FIBERS AXONS THE FINE TUBULAR EXTENSIONS DOWN WHICH I MPULSES FLOW TO THE NERVE TERMINAL. BT *NERVE CELLS AZEOTROPES BT *SOLUTIONS(MIXTURES) AZERBAIJAN BT *CIS BT *SOUTHWEST ASIA AZIDES BT *NITROGEN COMPOUNDS NT LEAD AZIDES NT SODIUM AZIDES AZIMUTH BT ORIENTATION(DIRECTION) AZIMUTH GATING AZINES BT *PYRIDINES NT OXAZINES NT QUINOXALINES NT TRIAZINES AZOBENZENES BT *BENZENE COMPOUNDS AZOIMIDE use HYDRAZOIC ACID AZOLES BT *NITROGEN HETEROCYCLIC COMPOUNDS NT BENZOXAZOLES NT IMIDAZOLES NT OXADIAZOLES NT PYRAZOLES NT *PYRROLES NT TETRAZOLES AZORES BT *ATLANTIC OCEAN ISLANDS AZOTEMIA use UREMIA AZOTOBACTER BT *AZOTOBACTERACEAE AZOTOBACTERACEAE BT *EUBACTERIALES NT AZOTOBACTER AZULENES BT *CYCLOALKENES BT *HETEROCYCLIC COMPOUNDS B AGENTS B BAND BT *ULTRAHIGH FREQUENCY B LYMPHOCYTES BT *LYMPHOCYTES B TYPE STARS BT *STARS BABESIA BT *HEMOSPORIDIA BABIES use INFANTS BABOONS BT *MONKEYS BACILLACEAE UF CLOSTRIDIUM HEMOLYTICUM UF CLOSTRIDIUM HISTOLYTICUM BT *EUBACTERIALES NT *BACILLUS NT *CLOSTRIDIUM BACILLARY DYSENTERY BT *DYSENTERY BACILLUS BT *BACILLACEAE NT BACILLUS ANTHRACIS NT BACILLUS CEREUS NT BACILLUS SUBTILIS NT BACILLUS THURINGIENSIS NT LEGIONELLA PNEUMOPHILA BACILLUS ANTHRACIS UF ANTHRAX BACILLUS UFC ANTHRAX VACCINE BT *BACILLUS BACILLUS BOTULINUS use CLOSTRIDIUM BOTULINUM BACILLUS CEREUS BT *BACILLUS BACILLUS GLOBIGII use BACILLUS SUBTILIS BACILLUS SUBTILIS UF BACILLUS GLOBIGII BT *BACILLUS BACILLUS THURINGIENSIS BT *BACILLUS BACK PRESSURE BT PRESSURE BACKBLAST A BLAST OF GASES TO THE REAR OF RECOILLE SS WEAPONS, ROCKET LAUNCHERS AND ROCKET- ASSISTED TAKEOFF UNITS. BT *BLAST BACKFILLS BT *CONSTRUCTION MATERIALS BACKFIRE ANTENNAS BT *DIRECTIONAL ANTENNAS BACKFLOW A FLOWING BACK OR RETURN TOWARD A SOURCE . THE ENTRANCE OF WATER OR OTHER LIQUID FROM ANY BUT THE REGULAR SOURCE OF A PO TABLE WATER SUPPLY SYSTEM. BT *FLUID FLOW BACKGROUND BACKGROUND NOISE BT *AMBIENT NOISE BACKGROUND RADIATION BT RADIATION BACKLASH BACKLOBES BT *ANTENNA LOBES BACKPACKS BT CONTAINERS BT *MANPORTABLE EQUIPMENT BACKSCATTERING BT SCATTERING BACKUP SYSTEMS NT AUXILIARY POWER PLANTS NT STANDBY GENERATORS BACKWARD WAVE AMPLIFIERS BT *MICROWAVE AMPLIFIERS BACKWARD WAVE OSCILLATORS BT *RADIOFREQUENCY OSCILLATORS BACKWARD WAVE TUBES BT *TRAVELING WAVE TUBES BACON BT *MEAT BACTEREMIA BT *BLOOD DISEASES BT *SIGNS AND SYMPTOMS BACTERIA NOTE: USE SPECIFIC BACTERIA NAMES IN COM BINATION WITH DISEASES TO DESCRIBE SPECI FIC DISEASES. BT MICROORGANISMS NT *ACTINOMYCETALES NT AEROBIC BACTERIA NT ANAEROBIC BACTERIA NT ASPOROGENOUS BACTERIA NT BACTEROIDES NT ENTERIC BACTERIA NT *EUBACTERIALES NT GRAM NEGATIVE BACTERIA NT GRAM POSITIVE BACTERIA NT *MYCOPLASMATALES NT MYXOBACTERIALES NT NITROBACTER NT ORAL BACTERIA NT *PSEUDOMONADALES NT *SPIROCHAETALES BACTERIAL AEROSOLS BT *BIOLOGICAL AEROSOLS BACTERIAL DISEASES BT *INFECTIOUS DISEASES NT ANTHRAX NT BACTERIAL PNEUMONIA NT BRUCELLOSIS NT CONJUNCTIVITIS NT IMPETIGO NT LEPTOSPIROSIS NT MELIOIDOSIS NT RELAPSING FEVER NT SALMONELLOSIS NT SCARLET FEVER NT TETANUS NT TUBERCULOSIS NT TULAREMIA NT TYPHOID BACTERIAL EXTRACTS BT BIOLOGICAL EXTRACTS BACTERIAL PNEUMONIA BT *BACTERIAL DISEASES BT *PNEUMONIA BACTERIAL TOXINS UFC STREPTOLYSINS BT TOXINS AND ANTITOXINS BACTERICIDES use GERMICIDES BACTERIOLOGICAL LABORATORIES use BIOLOGICAL LABORATORIES BACTERIOLOGICAL WARFARE use BIOLOGICAL WARFARE BACTERIOLOGY BT *MICROBIOLOGY BACTERIOPHAGES BT *VIRUSES NT COLIPHAGE BACTERIORHODOPSIN BT *ORGANIC PIGMENTS BACTERIOSTATIC SUBSTANCES use CHEMOTHERAPEUTIC AGENTS BACTERIUM TULARENSE use FRANCISCELLA TULARENSIS BACTEROIDES BT *BACTERIA BACTEROLYSINS use ANTIGENS BAECKLUND TRANSFORMATIONS use TRANSFORMATIONS(MATHEMATICS) BAFFIN BAY A LARGE INLET OF THE ATLANTIC OCEAN BETW EEN GREENLAND AND BAFFIN ISLAND. BT *NORTH ATLANTIC OCEAN BAFFIN ISLAND BT *ARCTIC OCEAN ISLANDS BAFFLES BT *BARRIERS BAG CHARGES(GUN PROPELLANTS) use POWDER BAGS BAGS UF BAGS(CONTAINERS) UF BRIEFCASES UF LUGGAGE BT CONTAINERS BAGS(CONTAINERS) use BAGS BAHAMA ISLANDS BT *ARCHIPELAGOES BT *WEST INDIES BAHRAIN AN INDEPENDENT STATE IN THE W. PERSIAN G ULF CONSISTING OF A GROUP OF ISLANDS. BT *ARABIA BAILOUT BT ABANDONMENT BAINITE BT *STEEL BAJA CALIFORNIA PENINSULA IN N. W. MEXICO SEPARATING THE CALIFORNIA GULF FROM THE PACIFIC OCEAN. BT *MEXICO BT *PENINSULAS BALANCE NT HEAT BALANCE BALANCE OF POWER BALANCED AMPLIFIERS use PUSH PULL AMPLIFIERS BALANCES UF SCALES(WEIGHING) BT *MEASURING INSTRUMENTS NT MICROBALANCES BALANTIDIUM BT *CILIATA BALL AMMUNITION BT *PROJECTILES BALL BEARINGS BT *ANTIFRICTION BEARINGS BALL JOINTS BT JOINTS BALL MILLS BT GRINDERS BALL POWDER PROPELLANTS BT PROPELLANTS BALL VALVES BT VALVES BALLAST BT WEIGHT BALLAST TANKS BT *TANKS(CONTAINERS) BALLISTIC CAMERAS UF TRAJECTORY CAMERAS BT *CAMERAS BALLISTIC MISSILE INTERCEPT SYSTEMS UFC SEA BASED BALLISTIC MISSILE INTERCEPT SYSTEM BT *ANTIMISSILE DEFENSE SYSTEMS NT STRATEGIC DEFENSE INITIATIVE BALLISTIC MISSILE SUBMARINES BT *NUCLEAR POWERED SUBMARINES BALLISTIC MISSILES use GUIDED MISSILES BALLISTIC TRAJECTORIES BT *TRAJECTORIES NT DEPRESSED TRAJECTORIES BALLISTICS THE MOTION, BEHAVIOR, OR APPEARANCE OF O BJECTS THROWN, LAUNCHED, OR TRAJECTED BY AN APPLIED FORCE. FOR STUDIES OF THE F LIGHT PATHS OF SUCH OBJECTS, SEE TRAJECT ORIES. NT AEROBALLISTICS NT *EXTERIOR BALLISTICS NT *HYDROBALLISTICS NT *INTERIOR BALLISTICS NT *TERMINAL BALLISTICS BALLISTITE BT EXPLOSIVES BT *SMOKELESS PROPELLANTS BALLISTOCARDIOGRAPHY BT *CARDIOGRAPHY BALLOON EQUIPMENT UFC BALLOON GONDOLAS UFC BALLOON LAUNCHERS UFC BALLOON SHROUDS UFC SHROUDS(BALLOON) NT BALLOONSONDES BALLOON GONDOLAS use BALLOON EQUIPMENT and GONDOLAS BALLOON LAUNCHERS use BALLOON EQUIPMENT and LAUNCHING BALLOON SHROUDS use BALLOON EQUIPMENT and CORDAGE BALLOONS LIGHTER-THAN-AIR CRAFT HAVING NO MEANS O F PROPULSION. BT AIRCRAFT BT *INFLATABLE STRUCTURES NT BALLUTES NT METEOROLOGICAL BALLOONS NT POWERED BALLOONS BALLOONSONDES BT BALLOON EQUIPMENT BALLOTING(INTERIOR BALLISTICS) BT *INTERIOR BALLISTICS BALLUTES BT *BALLOONS BT PARACHUTES BALSA WOOD use WOOD BALTIC COUNTRIES BT *EASTERN EUROPE NT ESTONIA NT LATVIA NT LITHUANIA BALTIC SEA BT *OCEANS BALUNS use ANTENNA COMPONENTS and COUPLING CIRCUITS BANACH SPACE BT *FUNCTIONAL ANALYSIS NT HILBERT SPACE BANANA PLANTS BT *FARM CROPS BANANAS use FRUITS BAND GAPS BT ENERGY BANDS BT *ENERGY GAPS BAND REJECTION FILTERS use BANDSTOP FILTERS BAND SAWS use SAWS BAND SELECTIVE AMPLIFIERS use BANDPASS AMPLIFIERS BAND SPECTRA BT *ELECTROMAGNETIC SPECTRA BAND STRUCTURES use BAND THEORY OF SOLIDS BAND THEORY OF SOLIDS UF BAND STRUCTURES BT THEORY BANDPASS AMPLIFIERS UF BAND SELECTIVE AMPLIFIERS BT AMPLIFIERS BANDPASS FILTERS UFC ANTENNA FILTERS BT FILTERS NT CRYSTAL FILTERS NT HIGH PASS FILTERS NT LOW PASS FILTERS BANDS(PROJECTILES) use ROTATING BANDS BANDS(STRIPS) BANDSTOP FILTERS UF BAND REJECTION FILTERS UF BAND-REJECTION FILTERS BT FILTERS NT NOTCH FILTERS BANDWIDTH NT BROADBAND NT NARROWBAND BAND-REJECTION FILTERS use BANDSTOP FILTERS BANGLADESH A REPUBLIC, EAST OF INDIA ON THE BAY OF BENGAL. FORMERLY EAST PAKISTAN. BT *SOUTH ASIA BANKING BT FINANCE BANKING FLIGHT use TURNING FLIGHT BANKRUPTCY BT FINANCE BANKS(WATERWAYS) BT *LANDFORMS BAPTIFOLINE use ALKALOIDS BAR CODES BT *CODING BARBADOS BT *LESSER ANTILLES BARBITALS use BARBITURATES BARBITURATES UF BARBITALS UF PENTOTHAL SODIUM UF THIOPENTAL SODIUM BT *ANESTHETICS BARBITURIC ACIDS BT *ORGANIC ACIDS NT THIOBARBITURIC ACID BARE BASES BT *MILITARY FACILITIES BARENTS SEA BT *ARCTIC OCEAN BARGAINING BT NEGOTIATIONS BARGES WORK VESSELS THAT ARE NOT ORDINARILY SEL F-PROPELLED. BT BOATS BARIUM BT *ALKALINE EARTH METALS BARIUM ALLOYS BT ALLOYS BARIUM CHLORATES BT *BARIUM COMPOUNDS BT *CHLORATES BARIUM COMPOUNDS BT *ALKALINE EARTH COMPOUNDS NT BARIUM CHLORATES NT BARIUM FERRITES NT BARIUM HALIDES NT *BARIUM TITANATES NT YTTRIUM BARIUM COPPER OXIDES BARIUM FERRITES BT *BARIUM COMPOUNDS BT *FERRITES BARIUM HALIDES BT *BARIUM COMPOUNDS BT *HALIDES BARIUM OXIDES BT *ALKALINE EARTH OXIDES BARIUM STRONTIUM TITANATES BT *BARIUM TITANATES BT *STRONTIUM COMPOUNDS BARIUM TITANATES BT *BARIUM COMPOUNDS BT *TITANATES NT BARIUM STRONTIUM TITANATES BARLEY BT *CEREALS BT *FARM CROPS BARNACLES BT *CRUSTACEA BAROMETERS BT *HEIGHT FINDING BT *METEOROLOGICAL INSTRUMENTS BT *PRESSURE GAGES BAROMETRIC PRESSURE UF ATMOSPHERIC PRESSURE BT METEOROLOGICAL PHENOMENA BT PRESSURE NT ISOBARS(PRESSURE) NT MICROBAROMETRIC WAVES BARRACKS BT *HOUSING(DWELLINGS) BT *MILITARY FACILITIES BARRELS UF CASKS UF KEGS BT CONTAINERS BARRIER COATINGS BT *PROTECTIVE COATINGS BARRIERS BT BLOCKING NT BAFFLES NT *FENCES BARROW(ALASKA) BT *ALASKA BT *URBAN AREAS BARS use RODS BARTER ISLAND BT *ALASKA BT *ARCTIC OCEAN ISLANDS BARTONELLA UFC BARTONELLA INFECTIONS BT *BARTONELLACEAE NT BARTONELLA BACILLIFORMIS BARTONELLA BACILLIFORMIS BT *BARTONELLA BARTONELLA INFECTIONS use BARTONELLA and INFECTIOUS DISEASES BARTONELLACEAE BT *RICKETTSIALES NT *BARTONELLA BARYONS BT *ELEMENTARY PARTICLES NT *HYPERONS NT *NUCLEONS BASALT UF TRAP ROCK BT *IGNEOUS ROCK BASE CLOSURES PROCESS OF CLOSING OR GREATLY REDUCING T HE SITE OF A MILITARY FACILITY AND PREPA RING THE SITE FOR OTHER USES OUTSIDE THE DEPARTMENT OF DEFENSE. BT *MILITARY DOWNSIZING BASE DETONATING FUZES UFC BASE DETONATING PROJECTILE FUZES UFC BASE DETONATING ROCKET FUZES UFC PIBD FUZES BT *IMPACT FUZES BASE DETONATING PROJECTILE FUZES use BASE DETONATING FUZES and PROJECTILE FUZES BASE DETONATING ROCKET FUZES use BASE DETONATING FUZES and ROCKET FUZES BASE FLOW FLUID FLOW AT THE BASE OR EXTREME AFT EN D OF A BODY. BT *FLUID FLOW BASE LINES BT *LINES(GEOMETRY) BASE METAL BT *METALS BASE PRESSURE BT PRESSURE BASEMENTS BT *UNDERGROUND STRUCTURES BASES(CHEMISTRY) BT CHEMICALS NT CAUSTICS NT *HYDROXIDES BASES(STRUCTURES) BT STRUCTURES NT *FOUNDATIONS(STRUCTURES) NT SLABS(STRUCTURAL) BASES(TRANSISTORS) BT *TRANSISTORS BASIDIOMYCETES BT *FUNGI NT *RUSTS(FUNGI) NT SMUTS(FUNGI) BASINS(GEOGRAPHIC) BT GEOGRAPHIC AREAS NT OCEAN BASINS NT STILLING BASINS BASOPHILS BT *POLYMORPHONUCLEAR LEUKOCYTES BATCH PROCESSING BT PROCESSING BATEMAN'S METHOD use INTEGRAL EQUATIONS BATHS BT HYGIENE BATHYAL ZONES BT *OCEAN ENVIRONMENTS BATHYMETRY BT *OCEANOGRAPHIC DATA BATHYTHERMOGRAPH DATA BT *OCEANOGRAPHIC DATA BATHYTHERMOGRAPH HOISTS use BATHYTHERMOGRAPHS and HOISTS BATHYTHERMOGRAPHS UFC BATHYTHERMOGRAPH HOISTS BT OCEANOGRAPHIC EQUIPMENT BT *THERMOGRAPHS BATHYVESSELS use UNDERWATER VEHICLES BATRACHIA use AMPHIBIANS BATS BT *MAMMALS BATTALION LEVEL ORGANIZATIONS BT *REGIMENT LEVEL ORGANIZATIONS NT *COMPANY LEVEL ORGANIZATIONS NT SEABEES BATTERIES(ELECTRICAL) use ELECTRIC BATTERIES BATTERY CHARGERS BT ELECTRICAL EQUIPMENT