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Title
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Investigation of Selected Higher Plants as Gas Exchange Mechanisms for Closed Ecological Systems
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Date
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1962
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Index Abstract
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Not Available
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Photo Quality
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Complete
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Report Number
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AMRL TDR 62-127
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Creator
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Pilgrim, A. J.
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Johnson, S. P.
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Corporate Author
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The Boeing Company
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Laboratory
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Biomedical Laboratory
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Extent
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88
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Identifier
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AD0296950
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Access Rights
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OTS
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Distribution Classification
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1
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Contract
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AF 33(616)-7945
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DoD Project
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7164
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DoD Task
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716403
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DTIC Record Exists
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Yes
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Distribution Change Authority Correspondence
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None
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Distribution Conflict
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No
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Cover Price
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2.25
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Abstract
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The growth of a variety of Angiosperms was evaluated under controlled conditions in low intensity fluorescent light. Although a large number of species exhibited various abnormalities, three species, Brassica Chinesis, Chichorium endiva, Amaranthus gangeticus, were able to tolerate and grow normally under the conditions used. Studies of the photosynthetic activity of these plants showed that a great deal of variation is to be expected both under standard conditions of culture and in media containing increased salt concentrations. Studies of photosynthetic activity by the plants in an atmosphere with the nitrogen replaced with argon or helium indicated that these gases had no adverse effects. Analysis of the three plants included estimation of amino acids, carbon, water and alcohol soluble carbohydrates, protein, nitrogen, ash, lipid, and vitamins A, C, and E. The results indicate that the roots, stems, and leaves of these three species could provide a valuable nutritional supplement. Feeding of the plants to rabbits demonstrated that no acutely toxic compounds are present.
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Report Availability
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Full text available
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Date Issued
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1962-09
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Provenance
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RAF Centre of Aviation Medicine
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Type
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report
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Format
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1 online resource
AMRLTDR62-127.pdf