SEARCH · Engineering Papers
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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Radioactive tracer technique to measure yield and angular distribution of copper sputtered from monocrystalline target subject to cesium ion bombardment
Encapsulation of radioactive source materials for long period space flights
Radioactive contamination monitoring methods and instrumentation
Cosmic ray induced radioactivity in astronauts as measure of radiation dosage
Radiation dose and radioactive isotopes induced in astronaut body by cosmic rays of various energies
Alpha radioactivity of lunar surface at Surveyor 5, 6, and 7 landing sites
Lunar surface alpha radioactivity at Surveyor 5, 6 and 7 landing sites
Solar flare proton induced radioactivity in Apollo 11 lunar surface material compared with stony meteorite data, noting cobalt 56 concentration
Cosmic ray exposure age of lunar surface material by radioactive isotopes Ar 37 and 39 measurement, investigating temperature dependence
Chemical scandium isotope separation from calcium compounds containing radioactive calcium 48
Evidence from comparison with stony meteorites of solar flare proton induced radioactivity in Apollo 11 lunar rocks
Applying radioactive tracer techniques to detection of metal contaminants within components of propellant feed system
Returned Surveyor 3 camera visor examined for alpha radioactive deposit formed by decay of radon isotopes diffusing out of lunar surface
Thermal models investigated for upper limits on lunar radioactivity consistent with temperature distribution based on electrical conductivity of lunar interior
N-P junction diode detector used in design of radioactive source non-contact encoder
Lunar interior thermal history models for setting radioactive heat sources upper limits consistent with proposed temperature distribution
Apollo 11 and 12 rock samples examination, failing to observe radioactive halos
Radioactive rare gases and tritium in Apollo 12 lunar rocks and in sample return container, noting relationship to solar flare event