Ages of calcium-rich achondrites. II - Howardites, nakhlites, and the Angra dos Reis angrite.
Calcium rich achondrites radiation ages determined from measuring He, Ne and Ar in howardites, nakhlites and angrite
Anders, E.↗
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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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Rubidium-strontium age of amphoterite /LL/ chondrites.
Amphoterite /LL/ chondrites Rb-Sr age determination, noting high brecciation
Gopalan, K.↗
Age and initial helium abundance of globular cluster stars.
Globular cluster star age and initial He abundance from main sequence, horizontal branch and red giant tip models using radiative opacities
Iben, I., Jr.↗
Ages of Darwin glass, Macedon glass, and Far Eastern tektites.
Darwin and Macedon impact glasses related to Far Eastern tektites through age determination by fission track technique
Fleischer, R. L.↗
Mechanism and kinetics of aging in Inconel 718
Age hardening in Inconel 718 is investigated using Brinell hardness measurements. Formation of a precipitate causes an increase in hardness.
Hensley, W. E.↗
Neutron ages computed from experimental activation data
Computer program reduces time manually required to compute neutron age and to provide definite plan of procedural choices. Program allows convenient comparison of several fitting and error analysis procedures. Program code provides for error estimation of various integration options.
Semler, T. T.↗
Ages of Darwin glass, Macedon glass, and Far Eastern tektites
Age determination of Darwin glass, Macedon glass, and Far Eastern tektites
Fleischer, R. L.↗
Mn-53 and the age of galactic cosmic rays
Mean age of galactic cosmic rays technique based on manganese isotope half life passing through interstellar hydrogen
Reames, D. V.↗
Cyclic and constant temperature aging effects on magnetic materials for inverters and converters
Cyclic and constant temperature aging effects on magnetic materials for inverters and converters
Brink, W. S.↗
Aging, creativity, inter-speciality mobility, retraining, and technical obsolescence of scientific and technical personnel - A selected bibliography
Aging, creativity, inter-speciality mobility, retraining, and technical obsolescence of scientific and engineering personnel - selected bibliography
Barth, R. T.↗
Steady-state flux of positrons and the age of the galactic halo
Electron and positron flux steady state in interstellar space relationship to differential energy spectrum exponent in cosmic rays, discussing galactic halo and age
Brunstein, K.↗
Shock, reheating, and the gas retention ages of chondrites
Bronzite, hypersthene and amphoterite chondrites examined by X ray diffraction for inert gas retention ages relationship to shock and reheating
Heymann, D.↗
Independence of mechanical fragility and red blood cell age in the rat
Red blood cell mechanical fragility independence from cell age in rats
Landaw, S. A.↗
Rubidium 87-strontium 87 age of carbonaceous chondrites
Rb 87-Sr 87 age determination of carbonaceous chondrites, showing agreement among petrological classification types
Kaushal, S. K.↗
Rb-Sr ages of lunar rocks from the Sea of Tranquillity
Rb-Sr internal isochrons of crystalline lunar rocks from Tranquility Sea for moon age estimation
Burnett, D. S.↗
Age-hardenable electrical contact-spring material
Age hardenable monolithic spring material composed of Ag-Pd-Cu alloys for make-break electrical contact
Mcrickard, S. B.↗
Rb-Sr ages from the Ocean of Storms
Rb-Sr internal isochron ages from Ocean of Storms, discussing analytical results of two texturally and mineralogically distinct crystalline rocks from Apollo 12
Papanastassiou, D. A.↗
Evaluating the resistance of Rene 41 to strain-age cracking
Rene 41 resistance to strain-age cracking during postweld heat treatment
Fawley, R. W.↗