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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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Ultrasonic molecular rotational relaxation time anomalous temperature dependence origin for diatomic H, D and N systems, calculating ultrasonic velocity dispersion from multilevel collision model
Collisional relaxation rate in pure carbon dioxide, discussing experiment, time and pressure relationships and energy levels
Atraumatic cardiographic measurement of left ventricle isometric relaxation period in healthy men
Electrohydrodynamic charge relaxation and interfacial perpendicular-field instability
Acoustic relaxation and propagation rate of hypersonic waves in organic liquids
Multiple transitions and relaxations of polymers in relation to mechanical properties
Mechanical relaxation of ethylene-methacrylic acid copolymers and their sodium salts
Steady state stress relaxation analysis of turbine blade cooling designs
Relaxation of self oscillation during combustion of gunpowder in semiclosed volume
Relaxation effects of rare earth ions in crystals
Relaxation moduli of equivoluminal ring and strip samples of Solithane
Multiphonon orbit-lattice relaxation of excited states of rare earth ions in crystals, measuring fluorescence lifetimes, quantum efficiencies and transition rates
Shock front structure in radiative relaxation region in atomic H, calculating Lyman continuum effects
Automatic determination of relaxation and retardation spectra for linearly viscoelastic materials from experimental data using simple numerical techniques
Tension stress and shearing strain vs time for simultaneous stress relaxation and creep in polyurethane
Multiphonon orbit lattice relaxation of excited states of rare earth ions in crystals, using results to design quantum electronic devices
Vacancy relaxations in bcc crystals using energy dependence on radial displacements from defect of nearest neighbor sets, discussing crystal size and shape
Proton spin-lattice relaxation time in dilute liquid and gas solutions of orthohydrogen in parahydrogen, noting dependence on temperature, density and composition