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.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
LF and VLF wideband noise called auroral hiss observed by Byrd ground station and OGO 2, proposing incoherent Cerenkov radiation from 1 kev electrons
Upper atmosphere horizontal wind profiles from rocket ejected artificial vapor trails photographs, discussing profile form relationship to wind magnitude
Magnetic field measurement with Lunik 10 near lunar orbit noting magnitude, time behavior and existence of terrestrial magnetic tail
IR spectral techniques for satellite geodetic surveying, discussing spectral matching techniques for discriminating between different types of rocks
Differential cross sections corresponding to residual energy levels in deuteron-alpha nuclear reactions F19-O17 and N15-C13 for 20.9 Mev deuteron energy
Photodetachment of electrons from negative ions by solar UV and visible radiation determined from presunrise electron densities and VLF absorption in D region
Evolutionary models for all composition parameter permutations for globular cluster age determination
Monitoring of rapid scintillations of celestial radio sources caused by solar wind or plasma component of interplanetary gas, discussing pulsar discovery
Mariner 5 Lyman alpha measurements fitted with barometric-exospheric equation using two component model atmosphere
Venus ionospheric structure from Mariner 5 and Venera 4 data
Hydrogen and helium cosmic ray nuclei isotopic composition measured to clarify abundance ratios energy dependence below 75 Mev/nucleon
Explore the source record for details and available documents.
Explore the source record for details and available documents.
SAMIS digital computer program simplifies automated structural analysis and eliminates reprogramming for problem changes. Program objectives are achieved by standardizing, by providing a modular program, and by programming for intermediate-size problems.
High altitude multispectral imagery for evaluation of earth wildland resources
Evaluation of weather satellite data for meteorological services
Discrete source analysis for high energy cosmic ray measurements
Measured pulse height spectra for photon spectra and instrumental error reduction