因此，非法进口氯氟化碳的黑市已经扩大。
Consequently, a black market in imported illicit CFC's has grown.
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)。
Or maybe finding excessive chlorofluorocarbons (if the aliens all use hairspray).
而且在这些当中有些你或许认识，是二氯二氟化碳，它也是众所周知的氟利昂。
And, this one here, some of you might recognize, is dichlorodifluoromethane. It's also known as a CFC.
新的空调已经进入到空气，少量的氯氟化碳已被查封。
The new air conditioner is getting into the air, a small amount of CFCs has been sealed.
氢氯氟化碳以替换破坏臭氧层物质的形式被引进进来，尽管氢氯氟化碳不会破坏臭氧层，但是它却是强有力的全球变暖催化剂，被当成“超级”温室气体。
Introduced as replacements for ozone depleting substances, HFCs do not damage the ozone layer but are potent global warming agents and considered 'super' greenhouse gases.
您不应该使用自来水的水箱，因为自来水中含有氯和氟化物。
You should not use tap water for the tank, because tap water contains chlorine and fluoride.
事实上，目前几乎每辆美国汽车和卡车都采用了氢氯氟化碳（hydrofluorocarbon）制冷剂。 与全球变暖潜力值为1400的HFC-1234yf款相比，HFC-134a 款采用的新型制冷剂全球变暖潜力值仅有4分之差。
The HFC (hydrofluorocarbon) refrigerant currently used in virtually every American model car and truck, HFC-134a, has a GWP of 1, 400 compared to the new refrigerant's (HFC-1234yf) GWP of just four.
一种含氯的碳氟化合物，以前用作制冷剂和喷雾剂罐的推进物。
A fluorocarbon with chlorine; formerly used as a refrigerant and as a propellant in aerosol cans.
主要无机成分：钠，钾，氯，钙，镁，碱度，总硬度，总磷，氟化物，硫酸盐。
Major Inorganic Components: Sodium, potassium, chloride, calcium, magnesium, alkalinity, total hardness, total phosphorus, fluoride, sulphate.
最后，炼油厂排放很多的气体，如二氧化硫(SO2)、二氧化氮(NO2)、二氧化碳、一氧化碳、甲烷、双环氧乙烷、氟化氢、氯、苯和其他气体。
Finally, refineries emit many gases like sulphur dioxide (SO2), nitrogen oxide (NO2), carbon dioxide, carbon monoxide, methane, dioxins, hydrogen fluoride, chlorine, benzene and others.
我们使用的氯氟化碳等臭氧消耗物质将保护我们免受有害的太阳紫外线辐射的臭氧层撕裂出一个空洞。
Our use of ozone-depleting substances such as chlorofluorocarbons (CFCs) had torn a hole in the ozone layer that protects us from the sun's harmful ultraviolet radiation.
然而，工业所需的氯氟化碳并不是容易被替代的。
However, the CFC's needed for industry are not easily replaced.
根据该公约的《蒙特利尔议定书》，全世界团结起来减少了氯氟化碳和其他臭氧消耗物质的生产和消费。
Under its Montreal Protocol, the world united to slash the production and consumption of CFCs and other ozone-depleting substances.
1987年9月，24个国家在加拿大的蒙特利尔签署了一个协议，以限制氯氟化碳的生产。
In September 1987, 24 nations signed an agreement in Montreal, Canada, to limit the production of CFC's.
电子设备制造商使用氯氟化碳清洗金属，并且一般都利用氯氟化碳作为制冷剂和制造泡沫绝缘材料。
Electronic equipment manufacturers use CFC's to clean metal, and CFC's are commonly used as refrigerants and to make foam insulation.
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。
A group of widely used gases called chlorofluorocarbons (CFC's) posed the greatest chemical threat.
对科学家和化学工程师的挑战，是找到与氯氟化碳一样有效井没有其他有害效应的替代物。
The challenge for scientists and chemical engineers is to find substitutes that will be as effective as CFC's and that will not have some other group of harmful effects.
此外，氯氟化碳也用于灭火器中。
这样，即使立即停止所有氯氟化碳的生产，臭氧损耗的威胁也会持续一个多世纪。
So even if all CFC production stopped immediately, the threat of ozone depletion would continue for more than a century.
每年，全世界大约使用乃万公吨的氯氟化碳。
Each year, the world USES approximately 750,000 metric tons of CFC's.
提出了一种以2，3-二氯硝基苯为原料，经氟化、高温氯化、硝化、再氟化反应合成2，3，4-三氟硝基苯的新工艺路线。
A method is given for synthesis of 2,3,4 trifluoronitrobenzene from 2,3 dichloronitrobenzene by fluorination, chlorination, nitration, etc.
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.
就是自来水也必定含有各种有害物质，如氯、氯胺、石棉、杀虫剂、氟化物、铜、铅等。
Even tap water invariably contains a variety of poisons such as chlorine, chloramine, asbestos, pesticides, fluoride, copper, mercury, and lead.
美国宇航局称，从uars读取的数据提供了决定性证据，证明人类产生的使大气中的含氯的氯氟化合物是造成极地臭氧空洞的根源。
NASA says readings from UARS provided conclusive evidence that chlorine in the atmosphere, originating from human-produced chlorofluorocarbons, is at the root of the polar ozone hole.
所述方法具有以下步骤：在催化剂存在下，在足以实现脱氟化氢的条件下使3-氯 -1，1，1，3-四氟丙烷脱氟化氢。
The process comprises the following steps: dehydrofluorinating 3-chloro-1,1,1,3-tetrafluoropropane under conditions sufficient to effect dehydrofluorination in the presence of a catalyst.
所述方法具有以下步骤：在催化剂存在下，在足以实现脱氟化氢的条件下使3-氯 -1，1，1，3-四氟丙烷脱氟化氢。
The process comprises the following steps: dehydrofluorinating 3-chloro-1,1,1,3-tetrafluoropropane under conditions sufficient to effect dehydrofluorination in the presence of a catalyst.
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