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1·It contains no chlorofluorocarbons, chlorine or bromine.

不包含氟氯化碳，氯或溴。

2·Hydrofluorocarbon - HFC: a substitute for chlorofluorocarbons.

氢氯烃：一种氟氯烃的替代物。

3·Or maybe finding excessive chlorofluorocarbons (if the aliens all use hairspray).

也许这样一来，就能够发现过量的氯氟化碳(如果外星人也使用头发定型剂的话)。

4·Chlorofluorocarbons were regulated under the Montreal Protocol starting in 1987.

根据蒙特利尔议定书规定氯氟烃在1987年开始。

5·A group of widely used gases called chlorofluorocarbons (CFC's) posed the greatest chemical threat.

一批被广泛应用的称为氯氟化碳的气体造成了最大的化学威胁。

6·The researchers found similar results when the laser beam strikes chlorofluorocarbons in the liquid state.

研究人员发现用激光照射液态的氟氯烃时，也得到类似结果。

7·She also got some of the first chemical measurements that showed man-made chlorofluorocarbons caused the hole.

她还掌握一些先进的化学测量方法来说明臭氧洞是由人造含氯氟烃造成的。

8·Regulations are outlawing certain refrigerants, such as chlorofluorocarbons, which contain ozone-depleting chemicals.

某些制冷剂，如含氯氟烃已被相关规列列为非法，因为这些制冷剂含有破坏臭氧层的物质。

9·Greenhouse gas - GHG gas that helps cause the greenhouse effect. Includes carbon dioxide, methane and chlorofluorocarbons.

温室气体造成温室效应的气体，包括二氧化碳、甲烷和氟氯烃。

10·The photochemical reaction and mechanism of chlorofluorocarbons and aromatic compounds in solid ice was introduced chiefly.

重点介绍了氟氯烃和芳香族化合物在固态冰相中的光化学反应和反应机理。