Biomaterial Database

Cryogenically trapped trace contaminants analyzed by ionizing gas chromatography. SAM-TR-67-68. 1967

H De Schmertzing, and S S Nelson, and H G Eaton

UI	MeSH Term	Description	Entries
D002849	Chromatography, Gas	Fractionation of a vaporized sample as a consequence of partition between a mobile gaseous phase and a stationary phase held in a column. Two types are gas-solid chromatography, where the fixed phase is a solid, and gas-liquid, in which the stationary phase is a nonvolatile liquid supported on an inert solid matrix.	Chromatography, Gas-Liquid,Gas Chromatography,Chromatographies, Gas,Chromatographies, Gas-Liquid,Chromatography, Gas Liquid,Gas Chromatographies,Gas-Liquid Chromatographies,Gas-Liquid Chromatography
D003080	Cold Temperature	An absence of warmth or heat or a temperature notably below an accustomed norm.	Cold,Cold Temperatures,Temperature, Cold,Temperatures, Cold
D000388	Air	The mixture of gases present in the earth's atmosphere consisting of oxygen, nitrogen, carbon dioxide, and small amounts of other gases.
D018504	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)	CELSS,Closed Ecologic Life Support Systems,Life Support Systems, Regenerative,Sealed Cabin Ecology,Breadboard Project,Closed Ecological Systems,Breadboard Projects,Cabin Ecologies, Sealed,Cabin Ecology, Sealed,Closed Ecological System,Ecological System, Closed,Ecologies, Sealed Cabin,Ecology, Sealed Cabin,Project, Breadboard,Projects, Breadboard,Sealed Cabin Ecologies,System, Closed Ecological,Systems, Closed Ecological