Core and repulsion integrals for lowdin orthogonalized atomic orbitals in pi-electron systems
Core and repulsion integrals for Lowdin orthogonalized atomic orbitals in pi-electron systems
PI-ELECTRON↗
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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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Combined hydrogen and helium burning in the core of a population ii red-giant star.
Anomalous abundance of carbon, barium and rare earths in Population II red-giant stars accounted for by combined hydrogen and helium burning in core
STELLAR STRUCTURE↗
The stability of core-filled long cylinders subjected to uniform outside pressure.
Bending and buckling of cylindrical shells filled with soft core studied under uniform outside pressure via perturbation theory and nonlinear equations
NONLINEAR EQUATION↗
Apparatus measures thermal conductivity of honeycomb-core panels
Overall thermal conductivity of honeycomb-core panels at elevated temperatures is measured by an apparatus with a heater assembly and a calibrated heat-rate transducer. The apparatus has space between the heater and transducer for insertion of a test panel and insulation.
Source record↗
Aluminum core structures brazed without use of flux
Aluminum alloy face sheets are brazed to aluminum alloy honeycomb cores without using corrosive flux by means of one or three methods. The completed brazed structure has the high-strength characteristics of heat treated aluminum alloys.
Source record↗
Analysis of the effect of a seeded propellant layer on thermal radiation in the nozzle of a gaseous-core nuclear propulsion system
Radiative flux in nozzle of coaxial flow, gaseous core, nuclear propulsion system - effect of seeding layer of propellant at nozzle wall on thermal radiation
THERMAL RADIATION↗
Lunar rock coring device design study Final report
Lunar rock drilling device for extracting core samples
SAMPLING DEVICE↗
U-235 resonance cross sections and gaseous core reactor calculations
Resonance integral and cross section calculation for thermal uranium 235 gaseous core reactor
RESONANCE↗
Feasibility study of direct flow gas core reactor system
Direct flow gas core nuclear reactor propulsion system
PROPULSION SYSTEM↗
A Fundamental and Feasibility Study of Ring- Vortex Gaseous-core Cavity Reactor Fifth Semiannual Report, 1 Feb. - 31 Jul. 1966
Feasibility study of ring-vortex gaseous-core cavity reactor
FLUID MECHANICS↗
Stellar evolution. II - The evolution of a 3 sun-mass star from the main sequence through core helium burning.
Three Sun-mass star evolution from main sequence to helium exhaustion in core, noting chronology of process
ASTRONOMICAL SPECTRUM↗
Stellar evolution. III - The evolution of a 5 solar masses star from the main sequence through core helium burning.
Evolution of 5 solar masses star model from main sequence through core helium burning compared to 3 solar masses model, noting Hertzsprung-Russell diagram
STELLAR EVOLUTION↗
Stellar evolution. IV - The evolution of a 9 solar masses star from the main sequence through core helium burning.
Evolution of 9 solar masses stellar model of population I initial composition from main sequence through core helium burning
HELIUM PLASMA↗
Stellar evolution. V - The evolution of a 15 solar masses star from the main sequence through core helium burning.
Evolution of 15 solar masses star from main sequence through helium core burning, comparing with evolution of less massive stars
STELLAR EVOLUTION↗
Stability of axially compressed core-filled cylinders.
Stability and buckling of core-filled axially compressed circular cylinder
SHELL STABILITY↗
Core and repulsion integrals for Loewdin orthogonalized atomic orbitals in pi-electron systems.
Core integral and electron repulsion integral for 2p-p1 Slater-type orbitals of allyl radical and benzene molecule transformed to Lowdin orthogonalized basis set of atomic orbitals
ORTHOGONAL FUNCTION↗
Development of lunar drill to take core samples to 100-foot depths
Lunar drill takes lunar surface cores to depths of 100 feet and is being developed to the samples at greater depths. The wireline drill system has been adapted to operate in the lunar environment by providing a sealed dc motor and solid metallic base lubricants.
Source record↗