Threshold contrasts and brightness to ensure visibility of objects at night and during the day
Threshold contrast and brightness to ensure visibility of objects at night and during day
VISUAL PERCEPTION↗
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Results for “DAY”
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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The effects of exposure to a rotating environment /10 rpm/ on four aviators for a period of 12 days
Effects of exposure to rotating environment on four aviators for 12 days
ROTATING ENVIRONMENT↗
A day-night high resolution infrared radiometer employing two-stage radiant cooling, volume I First quarterly report, 1 Jan. - 1 Apr. 1966
Two-stage radiant cooler for infrared detector in day-night high resolution radiometer on Nimbus- type spacecraft
RADIATION COOLING↗
How to handle 200 million data points a day.
Satellite Telemetry Automatic Reduction System /STARS/ capable of processing data at capacity of 200 million data points per day
TELEMETRY↗
Effects of continuous exposure of rats to 100 per cent oxygen at 450 mm. Hg for 64 days.
Continuous exposure of rats to 100 percent oxygen at 450 mm Hg for 64 days shows no physiological effects
PHYSIOLOGICAL RESPONSE↗
Three-day battery for 425 C environment.
Three-day battery capable of operation at temperature of 425 degrees C for use on lunar and planetary probes
SPACE PROBE↗
60-day exposure to artificial atmospheres.
Hamsters, mice and rats exposed to elevated oxygen tensions for 60-day periods with nitrogen at high or minimal levels.
Environmental testing↗
Tilt table response and blood volume changes associated with thirty days of recumbency.
Tilt table response and blood volume changes associated with 30 days of bed rest, evaluating time required to recover from cardiovascular deconditioning
BLOOD PRESSURE↗
Central nervous, cardiovascular, and visuomotor studies relating to spatial orientation in a 30-day primate flight
Central nervous, cardiovascular, and visuomotor studies relating to spatial orientation during 30-day primate flight in Biosatellite D
CENTRAL NERVOUS SYSTEM↗
The ionosphere at 640 kilometers on quiet and disturbed days
Tiros VII electrostatic probe measurements of ionospheric electron density on quiet and disturbed days
IONOSPHERIC ELECTRON DENSITY↗
Some psychological measures on six men confined 34 days in a sealed cabin
Individual and group psychological responses of healthy men confined for 34 days
CONFINEMENT↗
A study of the possible preventive effects of muscular exercises and intermittent venous occlusion on the cardiovascular deconditioning observed after 10 days bed recumbency - Experimental design
Experiment designed to study preventive effects of muscular exercises on intermittent venous occlusion on cardiovascular deconditioning observed after 10 days bed recumbency
BED REST↗
A day-night high resolution infrared radiometer employing two-stage radiant cooling Quarterly report, 24 Jun. - 1 Oct. 1966
Construction and testing of two-stage radiant cooler for day and night high resolution infrared radiometer
TEST EQUIPMENT↗
Polarization and intensity measurements of hydrogen Lyman alpha in the day airglow
Rocket measurements of polarization and intensity in day airglow of hydrogen Lyman alpha
HYDROGEN↗
ATS-I solar cell radiation damage experiment, first 120 days
ATS-1 solar cell radiation damage during first 120 days
APPLICATIONS TECHNOLOGY SATELLITE /ATS/↗
Change in water-salt metabolism during 62-day hypokinesia
Changes in human water-salt metabolism during sixty two day hypokinesia
ACCELERATION STRESS↗
Plasma volume and extracellular fluid volume change associated with 10 days bed recumbency.
Plasma volume and extracellular fluid volume change associated with ten days bed recumbency
BED REST↗
Tilt table response and blood volume changes associated with fourteen days of recumbency.
Tilt table response and blood volume changes in four males before and after 14-day bed rest
BED REST↗