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.
添加热稳定剂是解决氯烃产品分解的行之有效的办法。
Adding heat stabilizer to it is the best measures in order to prevent to decompose.
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.
考察了氯化石蜡（氯烃-70）在水性钢结构防火涂料中的应用情况。
This article has reported the application of chlorinated paraffin (Chlorinated Paraffine-70) in waterborne fire retardant coatings for steel structures.
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.
能抵抗含氧的化合物、含芳香烃的溶剂及含氯的溶剂的侵蚀。
Erosion resistance and oxygen containing compounds containing aromatic solvent and chlorinated solvent.
从南极永久性积雪空气分析大气卤烃的历史：甲基溴化物，甲基氯化物，氯仿和二氯甲。
Atmospheric histories of halocarbons from analysis of Antarctic firn air: methyl bromide, methyl chloride, chloroform, and dichloromethane.
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.
经过筛选确定苯系物、多环芳烃、有机氯农药、多氯联苯和挥发性卤代烃为主要污染物。
The main pollutants are benzene serial materials, polycyclic aromatic hydrocarbon, organochlorine insecticide, PCB and volatile halogenated hydrocarbon.
1超声波能量可与几种清洁剂一起使用，但一般适用于氯代烃溶剂、水和含表面活性剂的水。
A. 5.1ultrasonic energy can be used in conjunction with several types of cleaners but it is most commonly applied to chlorinated hydrocarbon solvents water and water with surfactants.
文章特别对原位纳米铁处理地下水中挥发性氯代烃的化学机理及环境风险作了回顾。
This paper reviews the chemical mechanisms behind the nanotechnology and potential environmental risks of groundwater remediation using n-ZVI.
为完善地下水中氯代烃污染物的处理技术，进行了用改性膨润土吸附模拟水样中四氯化碳的试验研究。
To improve the technology for treating chlorinated hydrocarbons in ground water, adsorption of carbon tetrachloride in simulated water sample by modified bentonite was investigated.
介绍了环氧氯代烃的两种化学反应：取代反应和开环反应。
Two reactions of epichlorohydrocarbon that is opening-ring and substitute reaction were introduced, at the same time, some kinds of medication made from epichlorohydrin were introduced .
烃中一个或多个氢原子被氯原子取代。
Chlorinated hydrocarbon a hydrocarbon in which one or more hydrogen atoms are replaced by chlorine atoms.
西司他丁钠的合成以乙酰乙酸乙酯和1-溴-5-氯戊烷为原料，经活性亚甲基烃化、成肟和水解3步反应得7-氯-2-氧庚酸乙酯；
The synthesis of Cilastatin sodium started from ethyl acetoacetate and 1-bromo-5-chloropentane, through 3 steps to produce ethyl 7-chloro-2-oxoheptanoate;
西司他丁钠的合成以乙酰乙酸乙酯和1-溴-5-氯戊烷为原料，经活性亚甲基烃化、成肟和水解3步反应得7-氯-2-氧庚酸乙酯；
The synthesis of Cilastatin sodium started from ethyl acetoacetate and 1-bromo-5-chloropentane, through 3 steps to produce ethyl 7-chloro-2-oxoheptanoate;
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