Periodic solutions of differential equations with time lag containing a small parameter.
Periodic solutions for functional differential equations with time lag, developing bifurcation theory representing delay equation extension
Perello, C.↗
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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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Transient analysis of a feedback network containing a saturating nonlinear element.
Feedback network with saturating nonlinear element, analyzing transient response, noting ramp generator
Maffeo, C. J.↗
Gravitational equilibria of a rigid body containing symmetric rotors.
Existence and stability of equilibrium orientations of rigid body with gyrostat in nonuniform gravitational field
Hooker, W. W.↗
A method for estimating accelerations of shipping containers mounted on an impacting railroad car
Explore the source record for details and available documents.
Scialdone, J. J.↗
Qualitative and quantitative analysis of mixtures of compounds containing both hydrogen and deuterium
Method allows qualitative and quantitative analysis of mixtures of partially deuterated compounds. Nuclear magnetic resonance spectroscopy determines location and amount of deuterium in organic compounds but not fully deuterated compounds. Mass spectroscopy can detect fully deuterated species but not the location.
Crespi, H. L.↗
Detecting hydrogen-containing contaminants on metal surfaces
Spark emission spectroscopy analyzes surface contamination of metals. This technique controls the quality of surface preparations and is useful in fundamental investigations of surface properties of metals.
Grove, E. L.↗
Handbook for design of containers of fluids and gases for spacecraft
Handbook guides selection of construction materials for liquids and gases used in rockets and spacecraft. Methods of design, fabrication, post-fabrication treatment, nondestructive testing, and repair are described in detail.
Campbell, R. L.↗
Self-discharge in bimetallic cells containing alkali metal
Theoretical analysis of thermally regenerative bimetallic cells with alkali metal anodes shows a relation between the current drawn and the rate of discharge under open-circuit conditions. The self-discharge rate of the cell is due to the dissolution and ionization of alkali metal atoms in the fused-salt electrolyte
Foster, M. S.↗
Optimization of design parameters for spacecraft nickel-cadmium cells containing recombination and control electrodes Quarterly report
Cycle capability of electrochemical cells built with oxygen recombination and oxygen sensing control electrodes
Rampel, G.↗
Simulated hydrogen cross-leakage in a low-temperature, contained-electrolyte hydrogen-oxygen fuel cell
Simulated hydrogen leakage in electrolytic hydrogen-oxygen fuel cells
Hagedorn, N. H.↗
Heat transfer to a gas containing a cloud of particles Final report, 1 Jun. 1962 - 31 May 1968
Radiant heat transfer to particle clouds
Keng, E. Y. H.↗
Design and fabrication of a counterflow double-containment tantalum-stainless steel mercury boiler
Fabrication of counterflow double wall tantalum- stainless steel mercury boiler
Gertsma, L. W.↗
Optimization of design parameters for spacecraft nickel-cadmium cells containing recombination and control electrodes Quarterly report, Aug. - Oct. 1968
Oxygen sensing and recombination electrodes tested for fuel cell application
Rampel, G.↗
Optimization of design parameters for spacecraft nickel-cadmium cells containing recombination and control electrodes Quarterly report, Nov. 1968 - Jan. 1969
Cycle capability of optimal design spacecraft nickel cadmium cells with recombination and signal electrodes
Rampel, G.↗
Techniques for fabricating rocket engine components containing intricate flow channels Final report
Fabrication of rocket engine components with intricate internal flow channels using powder metallurgy techniques
Ashurst, A. N.↗
A limb radiance calculation approach for model atmospheres containing horizontal gradients of temperature and pressure
Limb radiance calculation model for atmospheric carbon dioxide bands with pressure and temperature gradients
Davis, R. E.↗
Recovery rate and capacitance measurements on irradiated lithium-containing solar cells.
Recovery rate at room temperature in Li-doped p-n Si diodes and solar cells after 1 Mev electron irradiation, noting capacitance changes
Brucker, G. J.↗
Influence of a rigid top mass on the response of a pressurized cylinder containing liquid.
Rigid top mass effect on longitudinal response of model vehicle propellant tank, determining natural frequencies and forced asymmetric response
Chu, W.-H.↗