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Metabolic effects of artificial environmentsEffects of diluent gases on the metabolism of animals breathing nitrogen-oxygen, argon-oxygen, and helium-oxygen mixtures were studied. Results show that helium actually affected the mean free path of oxygen across the alveoli and increased metabolic rate. It is speculated that it might be necessary to keep an astronaut in a depressed metabolic state during prolonged space flight by using an argon-oxygen or a xenon-nitrogen mixture for breathing. Replacement of the depressant gases during periods requiring critical spacecraft maneuvers by neon-oxygen mixtures would insure maximal performance.
Document ID
19740006704
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Jordan, J. P.
(Colorado State Univ. Fort Collins, CO, United States)
Date Acquired
August 7, 2013
Publication Date
August 1, 1973
Publication Information
Publication: NASA. Wallops Station Regulatory Biol.: Depressed Metab.
Subject Category
Biosciences
Accession Number
74N14817
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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