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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 667 records · Page 37

All sources NASA NTRS DOE OSTI

NASA NTRS1964

Modifications to the Theory of the Differential Absorption Experiment

Use of Fresnel reflection coefficient for studying reflections from mesosphere

MESOSPHERE↗

NASA NTRS1967

Investigation of warm fog properties and fog modification concepts Quarterly progress report, period ending 31 Dec. 1966

Classification of fog nuclei, and determination of drop sizes and concentration in seeded and unseeded fogs

HAZE↗

NASA NTRS1967

Project Fog Drops. Investigation of warm fog properties and fog modification concepts Quarterly progress report for the period ending 31 Mar. 1967

Evaluation of fog seeding experiments in thermal diffusion chamber

TEST CHAMBER↗

NASA NTRS1966

Some possible modifications of Brouwer's theory of the general perturbations in rectangular coordinates.

Eckert-Brouwer orbit correction formula in general perturbations theory, expressed in rectangular coordinates and variation of astronomical elements, applied to planetary theory

PLANETARY ORBIT↗

NASA NTRS1967

Study of Apollo water impact. Volume 10 - User's manual for modification of shell of revolution analysis Final report

Analysis of linear elastic thin shells of revolution subjected to arbitrary temperatures and loads - computer program users manual

Cappelli, A. P.↗

NASA NTRS1967

Investigation of lunar soil modification due to bombardment by simulated solar plasma wind Final report, Apr. 1966 - Mar. 1967

Exposure of simulated lunar soil to simulated solar wind flux

Source record↗

NASA NTRS1967

Study of Apollo water impact. Volume 7 - Modification of shell of revolution analysis Final report

Numerical solution of combined hydrodynamic and shell equations for hydroelastic response of flexible shells

Cappelli, A. P.↗

NASA NTRS1968

Modification of NASA urine collecting system Final report, 1 May 1966 - 1 Apr. 1968

Development of urinary collection system for orbiting astronauts

Scott, R., Jr.↗

NASA NTRS1968

The equations of motion for optimized propelled flight expressed in Delaunay and Poincare variables and modifications of these variables

Development of equations of motion in canonical form equivalent to forms of Delaunay and Poincare

Miner, W. E.↗

NASA NTRS1968

Modification of ultrasonic beamwidths by aperture control

Elliptical mask for transducer aperture to shape far field ultrasonic beam pattern

Boyd, F.↗

NASA NTRS1968

Modification to the shading routine in the HREC orbital drag coefficient computer program Final report

Shading and pre-shading techniques for modified orbital drag coefficient computer program

Chrietzberg, J. Y.↗

NASA NTRS1965

Project fog drops investigation of warm fog properties and fog modification concepts quarterly progress report, 1 jan. - 1 apr. 1965

Explore the source record for details and available documents.

Kocmond, W. C.↗

NASA NTRS1969

Punch-magnet delay eliminated by modification of circuit

Reduction of retardation by diode-resistor networks of the current-decay time of a punch magnet by connection of a Zener diode in series with the damping network increases the reliability of data on paper tape.

Cohn, C. E.↗

NASA NTRS1969

Modification to improve self-isolating transistor arrays

Fabrication process improves the size ratio and shape factor of the base region of self-isolating transistor arrays. Basic processing steps in the modified method include, sub-diffusion, epitaxial layer growth, isolation-diffusions, enhancement diffusions, aluminum interconnect deposition, and testing and packaging.

Farnsworth, D. L.↗

NASA NTRS1968