| perfluorocarbons |
Collective term for a series of totally fluorinated hydrocarbons (eg, CF 4 , C 2 F 6 ), which are present in the atmosphere as a result of anthropogenic activities. These species are very resistive to destruction in the atmosphere and thus have extremely long lifetimes (thousands of years). As a consequence of their extremely long lifetimes and strong infrared absorption features, the large greenhouse warming potentials of these compounds is of some concern.
출처: amsglossary.allenpress.com/glossary/browse
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| perfluorocarbons |
Chemicals composed of one or two carbon atoms and four to six fluorine atoms, containing no chlorine. PFCs have no commercial uses and are emitted as a byproduct of aluminum smelting.
출처: www.eia.doe.gov/oiaf/1605/95report/glossary.html
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| perfluorocarbons |
A group of human-made chemicals composed of carbon and fluorine only. These chemicals (predominantly CF4 and C2F6 ) were introduced as alternatives, along with hydrofluorocarbons, to the ozone depleting substances. In addition, PFCs are emitted as by-products of industrial processes and are also used in manufacturing. PFCs do not harm the stratospheric ozone layer, but they are powerful greenhouse gases
출처: ilrdss.sws.uiuc.edu/glossary/glossary_browseresult...
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| perfluorocarbons |
A class of solvent molecules that can carry nonpolar gases, such as oxygen, nitrogen, and carbon dioxide. They have been used experimentally in transfusion medicine and in some ophthalmic surgeries. Perfluorocarbons are also use
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