出于争论中心的气体是HFC-23（三氯甲烷）。以重量交换来衡量，这种温室气体包围热量的能力是二氧化碳的14800倍。
The gas at the centre of the controversy is HFC-23, a greenhouse gas which, on a weight-for-weight basis, is 14,800 times better at trapping heat than carbon dioxide.
出于争论中心的气体是HFC-23（三氯甲烷）。以重量交换来衡量，这种温室气体包围热量的能力是二氧化碳的14800倍。
The gas at the centre of the controversy is HFC-23, a greenhouse gas which, on a weight-for-weight basis, is 14, 800 times better at trapping heat than carbon dioxide.
菸酸与二乙胺、三氯氧磷作用，再经氢氧化钠中和，加入纯碱使反应液中的产品与水分层，取代有机溶剂萃取工艺，简化了操作，降低了消。
Instead of extracted by organic solvents, sodium carbonate was used to separate the product and water, thus the following press was simpler and the cost was lower.
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.
以苯酚、三氯氧磷和氢氧化钠为原料合成了磷酸苯二钠。
Disodium phenyl phosphate was synthesized using phenol, phosphorus oxychloride and sodium carbonate as starting materials.
评述了氯磺酸法、三氧化硫法、二氧化硫法、联产法等氯化亚砜合成方法及其采用这些合成方法的生产企业情况；
Synthesis methods of thionyl chloride such as HSO 3Cl method, SO 2 method, SO 3 method, co production method and enterprises adopting above methods are evaluated.
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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