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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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Large deuterium isotope effect on fluorescence emission spectra and quantum yields observed in number of chromospheres that contain proton donor groups
Photolysis of hydrazine vapor in vacuum UV, EXAMINING emission as function of pressure and photolysis time
Spectrophotometric data correlations between color and red shifts of quasars
Emission occurring when mixing molecular nitrogen with helium ion following charge transfer analyzed spectroscopically
Diurnal and latitudinal variations in 5577 angstrom zenith nightglow intensity compared with 6300 angstrom calibrations
Relative solar abundance for O, Si and Fe determined from intensities of far UV emission lines of solar corona
Prediction of total emissivity of nitrogen- broadened and self-broadened hot water vapor
OH emission in H II region W3, using improved equipment
Multiphonon relaxation in neodymium doped lanthanum chloride, determining transition rates between stark levels with lifetime and quantum efficiency measurements
Mid-IR spectral emittance measuring apparatus, discussing range of performance, systems response, etc
Two peaks in emission from low pressure helium or neon discharge simulating plasma slab with second peak corresponding to plasma cut-off frequency
Population of atomic levels by cascade, dielectric and three-body electronic recombination, discussing spontaneous transition, electron impact and RF spectra
Elliptical patterns on emission lines of argon plasma jets attributed to antihalation backing during hypersensitization of film
Hydroxyl radical emission, hypotheses attempting to explain OH emission origin, including possible maser mechanism and interstellar communications
NGC 7714 galaxy emission line spectrum indicating strong excitation and velocity gradients in excited gas due to rotation
NGC 4194 galaxy emission line spectrum analysis showing presence of highly excited gas in nucleus and in bright central region similar to NGC 7714
IC 3258 emission line spectrum observations, discussing blueshift, extragalactic location, possible nature, etc