| 单词 | fluorocarbons |
| 释义 | FluorocarbonsFluorocarbonsfluorocarbonsfluorocarbonsVarious organic compounds in which fluorine replaces hydrogen. The fluorocarbons are widely used as aerosol propellants, refrigerants and solvents and their release into the atmosphere is believed to offer a grave threat to the ecology of the planet because of their catalytic effect on the ozone layer. See also CHLOROFLUOROCARBONS. |
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