NASA Scientific and Technical Information (STI) Program
Collect, organize, provide access, and preserve NASA's research and development published results
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Link to Subject Category
ice cover (climatology) - 47
ice crystals (meteorology) - 47
icing (aircraft) - 03
identification of celestial bodies - 89
igniters (propellants) - 28
igniters (rocket engines) - 20
ignition studies (propellants and fuels) - 28
ignition studies - 25
image enhancement - 35
immunology - 51
immunosuppression - 51
impact phenomena - 37
impact testing - 37
incompressible flow - 34
indoor air pollution - 45
induction heating - 34
inductors (electric) - 33
industrial pollution - 45
industrial process control - 31
industrial safety procedures - 31
inertial navigation systems (aircraft) - 04
inertial navigation systems (spacecraft) - 17
inertial sensors and measurement units (aircraft) - 04
inertial sensors and measurement units (spacecraft) - 17
inflatable structures (aircraft) - 05
inflatable structures (spacecraft) - 18
in-flight simulation (aircraft) - 05
information retrieval - 82
information science - 82
information storage - 82
information systems - 82
information technology (general) - 59
information theory - 63
infrared astronomy - 89
infrared gas analysis - 25
infrared imagery (remote sensing) - 43
infrared optics - 74
infrared radiation effects (optical applications) - 74
infrared sensors (aircraft) - 06
infrared sensors (spacecraft) - 19
infrared sensors - 35
infrared signatures (earth resources) - 43
infrared signatures (optical applications) - 74
infrared spectra - 74
infrared spectrometry (atmosphere) - 46
infrared telescopes - 89
injection systems (aircraft engines) - 07
inlet aerodynamics - 02
inlet controls (aircraft engines) - 07
inlets (aircraft) - 07
inlets (spacecraft) - 18
inner Earth radiation belts - 93
in-orbit maintenance, servicing and refueling - 12
inorganic chemistry - 25
input devices - 60
inspection (aircraft safety) - 03
inspection methods - 38
inspection - 38
instrument arrangement (aircraft) - 06
instrument arrangement (spacecraft) - 19
instrument design (aircraft) - 06
instrument design (spacecraft) - 19
instrument design (theory and techniques) - 35
instrument displays (aircraft) - 06
instrument displays (spacecraft) - 19
instrument installation (aircraft) - 06
instrument installation (spacecraft) - 19
instrument landing systems (ILS) - 06
instrument navigation systems - 04
instrument pointing systems (IPS) - 19
instrumentation - 35
insulation (composite materials) - 24
insulation (electric, electronic) - 33
insulation (nonmetallic materials) - 27
insurance (aerospace) - 83
integral equations - 64
integrated circuits - 33
interferometers - 35
intergalactic dust - 90
intergalactic gases - 90
intergalactic matter - 90
intergalactic radiation - 93
intermetallics - 26
intermolecular forces - 72
internal combustion engines (aircraft) - 07
internal combustion engines (non-aircraft) - 37
internal flow in ducts (applications) - 34
internal flow in turbomachinery (applications) - 34
internal flow in turbomachinery (theory) - 02
international cooperation - 84
international law - 84
International Space Station (design) - 18
internet resources - 82
internets - 62
interplanetary dust - 90
interplanetary gases - 90
interplanetary matter - 90
interplanetary shock waves - 90
interplanetary trajectories - 13
interpreters (software) - 61
interstellar dust - 90
interstellar gases - 90
interstellar matter - 90
interstellar radiation - 93
inverters - 33
inviscid flow - 34
ion beams (nuclear interactions) - 73
ion beams (plasma physics) - 75
ion beams (theory) - 72
ion dynamics - 72
ion engines - 20
ion exchange - 72
ion mass spectrometers - 35
ion propulsion - 20
ion rocket engines - 20
ionosphere (Earth) - 46
ionospheric effects on radio transmission (aircraft) - 04
ionospheric effects on radio transmission (communications) - 32
ionospheric electron density - 46
ionospheric physics - 46
ionospheric plasmas - 46
ionospheric propagation (communications) - 32
ionospheric scatter (communications) - 32
ionospheric scintillation - 46
isolation effects (psychological, human) - 53
iteration - 64
