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MAN-SYSTEMS INTEGRATION STANDARDS VOLUME 1 VOLUME 2 SEARCH CONTACT US

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MAN-SYSTEMS INTEGRATION STANDARDS
FOREWORD
BIBLIOGRAPHY
REFERENCES
GLOSSARY
ABBREVIATIONS
UNITS OF MEASURE AND CONVERSION FACTORS
ACCELERATION
VIDEOS
KEYWORD LIST
 
MAN-SYSTEMS INTEGRATION STANDARDS Print this page Click to print the page

Appendix D - Abbreviations and Acronyms

Skip Alphabetical Shortcut Links| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |

USER'S GUIDE

This appendix contains an alphabetized listing of the abbreviations and acronyms used in the text and figures of Volume I. Scroll down through the list or use the alphabetical links below to go directly to the section where your word is located.

Symbols Skip to A

+Gx Forward acceleration (see Figure 5.3.1-1)

+Gy Right yaw acceleration (see Figure 5.3.1-1)

+Gz Upward acceleration (see Figure 5.3.1-1)

+Rx Left roll velocity (see Figure 5.3.1-1)

+Ry Forward pitch down velocity (see Figure 5.3.1-1)

+Rz Right yaw velocity

- Gx Backward acceleration (see Figure 5.3.1-1)

- Gy Left yaw acceleration (see Figure 5.3.1-1)

- Gz Downward acceleration (see Figure 5.3.1-1)

- Rx Right roll velocity (see Figure 5.3.1-1)

- Ry Backward pitch up velocity (see Figure 5.3.1-1)

- Rz Left yaw velocity

1/3 OB One-third octave band

A Skip to B

ACGIH American Conference of Governmental Industrial Hygienists

ADS Altitude decompression sickness

A/E Ascent and Entry

AFSC Air Force Space Command

AI Articulation index

ALARA As low as reasonably achievable

AMU Atomic Mass Unit

ANSI American National Standards Institute

Ar Argon

ASHRAE American Society of Heating, Refrigeration, and Air Conditioning Engineers

ATA Atmospheres, absolute

ax x-axis acceleration

ay y-axis acceleration

az z-axis acceleration

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B Skip to C

BHS Body heat storage

BIB Built-in breathing

BITE Built-in test equipment

BTPS Body temperature and pressure saturated with water

Btu British thermal unit

Top

C Skip to D

CCTV Closed circuit television

CFU Colony forming units

CO2 Carbon dioxide

CRS Cosmic ray source

CRT Cathode ray tube

CWS Control and warning system

Top

D Skip to E

D Absorbed dose

DACT Disposable absorbent containment trunk

dB Decibels

DO Dry bulb temperature

DCS Decompression sickness

DE Dose equivalent

DIPS Dynamic isotope power system

DOD Department of Defense

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E Skip to F

e Electron

ECG Electrocardiogram

ECLSS Environmental control and life support system

ED10 10% of pop. showing physiological response to ionizing radation

EDK Electric dynamic katathermometer

EEG Electroencephalograph

EKG Electrocardiogram

EL Exposure limits

ELF Extremely low frequencies

EM Electromagnetic

EMU Extravehicular mobility unit

ET Effective temperature

ev Electron volts

EVA Extravehicular activity

Top

F Skip to G

FDA Food and Drug Administration

FDP Fatigue decreased proficiency

Fe Iron

FMEA Failure modes and effects analysis

FSW Feet of seawater (33 FSW =1 Atmosphere)

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G Skip to H

G Gravitational acceleration

GC/MS Gas chromatograph/mass spectrometer

GCR Galactic cosmic radiation

GEO Geosynchronous Earth orbit

GIAG Government Industry Advisory Group

GT Globe temperature

gx Vibrational acceleration in the direction of the x-axis

gy Vibrational acceleration in the direction of the y-axis

Gy Gray (radiation dosage unit of measure)

gz Vibrational acceleration in the direction of the z-axis

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H Skip to I

H Hydrogen

He Helium

HUT Hard upper torso

Hx Diatonic hydrogen

Hz Hertz (cycles per second)

HZE Ultra heavy nuclear particles

Top

I Skip to J

Icl Insulation value of clothing

IDB In-suit drink bag

IEEE International Electronics and Electrical Engineers

INIRC International Non-ionizing Radiation Committee

IR Infrared

IRPA International Radiation Protection Association

IS0 International Standards Organization

IVA Intravehicular Activity

Top

J Skip to K

JSC Johnson Space Center

Top

K Skip to L

kcal Kilocalories (1000 calories)

kp Kilopascal

Kr Krypton

KSC Kennedy Space Center

Top

L Skip to M

LBNP Lower body negative pressure

LCVG Liquid cooling ventilation garment

LD50 Lethal dose of ionizing radiation for 50% of population

LED Light emitting diode

LEO Low Earth orbit

eq Equivalent level in dB

LET Linear energy transfer

LOS Line of sight

LTA Lower torso assembly

Top

M Skip to N

MeV Millions of electron volts

MFR Manipulator foot restraint

MIL Military

mmHg Millimeters of mercury - used to indicate pressure level

MMU Manned maneuvering unit

MSFC Marshall Space Flight Center

MSIS Man-Systems Integration Standards

MTBF Mean time between failure

MW Microwave

Top

N Skip to O

N2 Nitrogen

N/A Not Applicable

NASA National Aeronautics and Space Administration

Nc Convective heat transfer coefficient

NC (Curve) Noise criteria curve

NCRP National Council on Radiation Protection and Measurements

Ne Neon

NIR Non-ionizing radiation

nm Nanometer (1E-9 meters); (also) nautical miles

NTU Nethlometric tubidity units

Top

O Skip to P

O2 Diatonic oxygen

O2 Oxygen

OASPL Overall sound pressure level

OB Octave band

OBS Operational bioinstrumentation system

ORU Orbital replacement unit

OSHA Occupational Safety and Health Administration

OTC Over the counter

Top

P Skip to Q

p Proton

P4SR Predicted 4-hour sweat rate

PB Phonetically Balanced

PEO Polar Earth orbit

PFR Portable foot restraint

pH Measure of acidity

PLSS Primary life support system

PSIL Preferred speech interference level

Pt/Co Platinum/cobalt color measurement

PTS Permanent threshold shift

Top

Q Skip to R

Q Quality factor

qs Body heat storage index

Top

R Skip to S

Ra Radium

rads Radiation dose absorbed by tissue

RBE Relative biological effectiveness

Rcl Total heat transfer resistance

RDA Recommended dietary allowance

REM, rem Roentgen equivalent man

RF Radio frequency

RFPG Radio frequency protection guides

rms Root -mean -square

RMS Remote manipulator system

RTG Radioisotope thermoelectric generator

Top

S Skip to T

SAA South Atlantic anomaly

SAE Society of Automotive Engineers

SAR Specific absorption rate

SCR Solar cosmic radiation

SDMS Standards Database Management System

SEP Solar energetic particles

SIL Speech interference level

SMF Space medical facility

SPE Solar particle event

SPF Specific pathogen free

SPL Sound pressure level

Sr Strontium

SSA Space suit assembly

STD Standard

STP Standard temperature and pressure

STS Space Transportation System

Sv Sievert (radiation dose unit of measure)

Top

T Skip to U

tb Weighted mean body temperatures

TBT Total body temperature

tc Core temperature

TLV Threshold limit values

TMG Thermal micrometeoroid garment

Tmrt Mean radiant temperature

TOC Total organic carbon

TON Threshold odor number

tr Skin temperature

TTN Threshold taste number

TTS Temporary threshold shift (hearing)

TTS2 Temporary threshold shift measured 2 minutes after exposure

Top

U Skip to V

UCD Urine collection device

UV Ultraviolet

UVR Ultraviolet radiation

Top

V Skip to W

VDT Visual display terminal

Top

W Skip to X

WB Wet bulb temperature

WBGT Wet bulb globe temperature

WD Wet/dry index

WFI Water for Injection

Top

X Skip to Y

Xe Xenon

Top

Y Skip to ZSkip to next section

None

Top

Z

Z Ultra heavy nuclei

Top
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