Regularized special perturbation techniques using Levi-Civita variables.
Perturbation theory for two-body problem, using regularized Levi-Civita variables
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Perturbation theory for two-body problem, using regularized Levi-Civita variables
Need, facility requirements, operational problems, and biomedical and physiological aspects associated with certification of simulated space environmental chambers for human occupancy
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Modified Ulbricht sphere measures stray radiation caused by irregularities in the reflective surface of an optical test specimen. The test specimen is positioned between a light source and exit port and all diffusely scattered radiation is measured by a photomultiplier tube in the sphere.
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