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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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At least 271 records · Page 15

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NASA NTRS1964

Absolute Calibration and Use of a Soft X-ray Source of Characteristic Carbon Radiation

Measurement of absolute photon yield of carbon K radiation produced by electron bombardment for calibration of grazing incidence grating spectrometer

YIELD↗

NASA NTRS1964

Information storage and survival of biological systems at temperatures near absolute zero.

Verification of organism survival /Artemia cysts/ at temperatures near absolute zero, showing that information necessary for living system specification is stored in atom configuration

BIOPHYSICS↗

NASA NTRS1965

Absolute transition probabilities in the ultraviolet spectrum of co.

UV spectrum of CO molecule, determining absolute transition probabilities from radiation lifetime and relative radiation branching ratio

MOLECULAR SPECTROSCOPY↗

NASA NTRS1966

Ferroelectric bolometer measures RF absolute power at submillimeter wavelengths

Two ferroelectric bolometer sensing elements measure low rf absolute power at millimeter and submillimeter wavelengths. The sensing elements are mounted in sections of waveguide and connected in series in a standard temperature compensating bridge circuit.

Cohn, M.↗

NASA NTRS1966

Ion chambers simplify absolute intensity measurements in the vacuum ultraviolet

Single or double ion chamber technique measures absolute radiation intensities in the extreme vacuum ultraviolet region of the spectrum. The ion chambers use rare gases as the ion carrier. Photon absorbed by the gas creates one ion pair so a measure of these is a measure of the number of incident photons.

Sampson, J. A. R.↗

NASA NTRS1965

Experimental animal decompressions to less than 2 mm. Hg absolute /Pathologic effects/

Pathology examination of tissues of dogs rapidly decompressed to less than two millimeters of mercury absolute

TISSUE↗

NASA NTRS1965

Neutron Stars. I - Properties at Absolute Zero Temperature

Neutron star properties and structure at absolute zero temperature

NEUTRON STAR↗

NASA NTRS1966

Vacuum UV coatings, microcircuitry welding, metal polishing study, absolute spectral response system, parabolic reflectors, soldering to electrodeposited metals Quarterly progress report, Jan. 1 - Mar. 31, 1966

Vacuum ultraviolet coatings, microcircuitry welding, metal polishing, absolute spectral response system, parabolic reflectors, and soldering to electrodeposited metals

POLISHED METAL↗

NASA NTRS1964