Definitions for ecological systems, closed
This page provides all possible meanings and translations of the word ecological systems, closed
U.S. National Library of Medicine
Ecological Systems, Closed
Systems that provide for the maintenance of life in an isolated living chamber through reutilization of the material available, in particular, by means of a cycle wherein exhaled carbon dioxide, urine, and other waste matter are converted chemically or by photosynthesis into oxygen, water, and food. (NASA Thesaurus, 1988)
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"ecological systems, closed." Definitions.net. STANDS4 LLC, 2015. Web. 31 Mar. 2015. <http://www.definitions.net/definition/ecological systems, closed>.