可以以在工业上有利的方式生产可用作低温制冷剂或蚀刻气体的高纯度1，1-二氟乙烷。
High-purity 1,1-difluoroethane usable as a cryogenic refrigerant, or as an etching gas, can be produced in an industrially advantageous manner.
像HFC-134a（化学名称为:1，1，1，2——四氟乙烷）之类的却非如此角色。这种各工业所使用的气体的排放物致使全球变暖的程度比起二氧化碳的要高出1000多倍，大量排出则造成大量污染。
The same is not true for, say, HFC-134a, a gas with various industrial uses that delivers more than 1,000 times more warming than carbon dioxide, mass for mass.
一定的五氟乙烷与一氯二氟甲烷的组合物，作为加热或冷却的液体时具有非凡的效率和容量。
Certain compositions of pentafluoroethane and chlorodifluoromethane have unusual efficiency and capacity as fluids for heating and cooling.
在连续流动固定床反应器上，以氧气为氧源，活性炭作为催化剂用于催化氧化三氟二氯乙烷（HCFC-123）制备三氟乙酰氯（TFAC）的反应中。
Activated carbon was used as the catalyst for catalytic oxidation of 1,1-dichloro-2,2,2-trifluoroethane(HCFC-123) to trifluoroacetyl chloride(TFAC) in fixed bed reactor.
抛射剂为三氯一氟甲烷、二氯二氟甲烷、二氯四氟乙烷、氮气和二氧化碳中的至少一种。
The propellent is at least one of trichlorofluoromethane, dichlorodifluoromethane, dichlorotetrafluoroethane, nitrogen and carbon dioxide.
抛射剂为三氯一氟甲烷、二氯二氟甲烷、二氯四氟乙烷、氮气和二氧化碳中的至少一种。
The propellent is at least one of trichlorofluoromethane, dichlorodifluoromethane, dichlorotetrafluoroethane, nitrogen and carbon dioxide.
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