AERONAUTICS
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Includes aeronautics (general); aerodynamics;
air transportation and safety; aircraft communications and navigation;
aircraft design, testing and performance; avionics and aircraft instrumentation;
aircraft propulsion and power; aircraft stability and control; and research
and support facilities (air). For related information see also ASTRONAUTICS
(categories 12 though 20).
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ASTRONAUTICS
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Includes astronautics (general); astrodynamics;
ground support systems and facilities (space); launch vehicles and launch
operations; space transportation and safety; space communications, spacecraft
communications, command, and tracking; spacecraft design, testing and
performance; spacecraft instrumentation and astrionics; and spacecraft
propulsion and power. For related information see also AERONAUTICS (categories
01 through 09).
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| CHEMISTRY AND MATERIALS |
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Includes chemistry and materials (general); composite
materials; inorganic, organic and physical chemistry; metals and metallic
materials; nonmetallic materials; propellants and fuels; and space processing.
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23 Chemistry and Materials (General)
24 Composite Materials
25 Inorganic, Organic
and Physical Chemistry
26 Metals and Metallic
Materials
27 Nonmetallic Materials
28 Propellants and
Fuels
29 Space Processing |
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| ENGINEERING |
| Includes engineering (general); communications and radar;
electronics and electrical engineering; fluid mechanics and thermodynamics;
instrumentation and photography; lasers and masers; mechanical engineering;
quality assurance and reliability; and structural mechanics. For related
information see also PHYSICS (categories 70 through 77). |
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31 Engineering (General)
32 Communications and Radar
33 Electronics and Electrical
Engineering
34 Fluid Mechanics and Thermodynamics
35 Instrumentation and Photography
36 Lasers and Masers
37 Mechanical Engineering
38 Quality Assurance and
Reliability
39 Structural Mechanics |
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| GEOSCIENCES |
| Includes geosciences (general); earth resources and remote
sensing; energy production and conversion; environment pollution; geophysics;
meteorology and climatology; and oceanography. For related information
see also SPACE SCIENCES (categories 88 through 93). |
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42 Geosciences (General)
43 Earth Resources and Remote Sensing
44 Energy Production and Conversion
45 Environment Pollution
46 Geophysics
47 Meteorology and Climatology
48 Oceanography |
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| LIFE SCIENCES |
| Includes life sciences (general); aerospace medicine; behavioral
sciences; man/system technology and life support; and exobiology. |
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51 Life Sciences (General)
52 Aerospace Medicine
53 Behavioral Sciences
54 Man/System Technology and Life Support
55 Exobiology |
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| MATHEMATICAL AND COMPUTER
SCIENCES |
| Includes mathematical and computer sciences (general); computer
operations and hardware; computer programming and software; computer systems;
cybernetics, artificial intelligence and robotics; numerical analysis;
statistics and probability; systems analysis and operations research; and
theoretical mathematics. |
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59 Mathematical and Computer Sciences
(General)
60 Computer Operations and Hardware
61 Computer Programming and
Software
62 Computer Systems
63 Cybernetics, Artificial
Intelligence and Robotics
64 Numerical Analysis
65 Statistics and Probability
66 Systems Analysis and Operations
Research
67 Theoretical Mathematics |
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| PHYSICS |
| Includes physics (general); acoustics; atomic and molecular
physics; nuclear physics; optics; plasma physics; solid-state physics;
and physics of elementary particles and fields. For related information
see also ENGINEERING (categories 31 through 39).
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70 Physics (General)
71 Acoustics
72 Atomic and Molecular
Physics
73 Nuclear Physics
74 Optics
75 Plasma Physics
76 Solid-State Physics
77 Physics of Elementary
Particles and Fields
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| SOCIAL AND INFORMATION SCIENCES |
| Includes social and information sciences (general); administration
and management; documentation and information science; economics and cost
analysis; law, political science, and space policy; and technology utilization
and surface transportation. |
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80 Social and Information Sciences
(General)
81 Administration and Management
82 Documentation and Information
Science
83 Economics and Cost Analysis
84 Law, Political Science and
Space Policy
85 Technology Utilization and
Surface
Transportation
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| SPACE SCIENCES |
| Includes space sciences (general); astronomy; astrophysics;
lunar and planetary science and exploration; solar physics; and space radiation.
For related information see also GEOSCIENCES (categories 42 through
48). |
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88 Space Sciences (General)
89 Astronomy
90 Astrophysics
91 Lunar and Planetary Science
and Exploration
92 Solar Physics
93 Space Radiation |
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| GENERAL |
| Includes aerospace related reports of a general or broad
nature; histories, biographies, or overviews of aerospace programs. |
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99 General |
Certification