氢氯烃：一种氟氯烃的替代物。
Hydrofluorocarbon - HFC: a substitute for chlorofluorocarbons.
但是氟氯烃依然主要用在空调和建设材料中。
But HCFCs are still in use mainly in air conditioners and building materials.
该催化剂适用于气相氟化卤代烃制备氢氟烃和氢氟氯烃。
The catalyst is applicable to preparation of hydroflurocarbon and hydrogenous fluorochlorohydrocarbon with gas-phase fluorinated halohydrocarbon.
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。
The researchers found similar results when the laser beam strikes chlorofluorocarbons in the liquid state.
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。
Greenhouse gas - GHG gas that helps cause the greenhouse effect. Includes carbon dioxide, methane and chlorofluorocarbons.
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。
The photochemical reaction and mechanism of chlorofluorocarbons and aromatic compounds in solid ice was introduced chiefly.
从人类活动中释放出来的物质(包括氟氯烃和卤代烷哈龙)同臭氧层中的臭氧分子发生化学变化，导致其破坏。
The destruction of ozone molecules in the ozone layer by chemical reaction with materials released from human activities, including chlorofluorocarbons and halons.
该技术解决了禁用氟氯烃后， 气雾剂行业工业化大生产条件下二甲醚、液化石油气等替代型推进剂的贮配供应问题。
This technology solves the problem in handling and transferring CFCs' substitutes like DME and LPG safely in industrial aerosol production, when CFCs' is prohibited from being used as propellant.
一项研究表明，以牙科麻醉剂“笑气”之名著称的氧化亚氮，已取代氟氯烃，成为上层大气中的臭氧最强有力的破坏物。
Nitrous oxide, better known as the dental anaesthetic "laughing gas", has replaced CFCs as the most potent destroyer of ozone in the upper atmosphere, a study has shown.
四氯化碳(CTC)是一种破坏臭氧层的物质(ods)，主要用作氟氯烃(氟里昂)的生产原料、化工过程助剂和清洗剂。
Tetrachloride carbon (CTC) is an ozone depleting substance (ODS). It is mainly used as feedstock of chlorofluorocarbons (CFC), chemical process agent and cleaning solvent.
然而，取代氯氟烃，包含在塑料和制冷剂中的臭氧亲和物质——氟氯化碳（HCFs）和氟氯烃（HFCs），同样也是强大的温室气体。
However, the ozone-friendly substances that have replaced CFCs in plastics or as refrigerants - hydrochlorofluorocarbons (HCFCs) and hydrofluorocarbons (HFCs) -- are also powerful greenhouse gases.
这种正式名为一氧化二氮的气体对臭氧层所构成的威胁，可能很快就会超过氟氯烃(CFC)化学品。而后者自上世纪八十年代以来就已被限制使用。
The gas, properly known as nitrous oxide, could soon pose a bigger threat to ozone than CFC chemicals, the use of which has been restricted since the 1980s.
当烃(典型的烷烃)的几个或全部氢被氯和氟取代而生成的化合物。
Compounds formed when some or all of the hydrogen atoms in a hydrocarbon (typically an alkane) have been replaced with chlorine and fluorine.
当烃(典型的烷烃)的几个或全部氢被氯和氟取代而生成的化合物。
Compounds formed when some or all of the hydrogen atoms in a hydrocarbon (typically an alkane) have been replaced with chlorine and fluorine.
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