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Ecological Systems, Closed

"Ecological Systems, Closed" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

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)


This graph shows the total number of publications written about "Ecological Systems, Closed" by people in Harvard Catalyst Profiles by year, and whether "Ecological Systems, Closed" was a major or minor topic of these publication.
Bar chart showing 1 publications over 1 distinct years, with a maximum of 1 publications in 1997
To see the data from this visualization as text, click here.
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Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.