使用1,1,1,2-四氟乙烷和醇作为发泡剂的挤塑乙烯基芳族泡沫塑料。
Extruded vinyl aromatic foam with 1, 1, 1, 2 - tetrafluoroethane and alcohol as blowing agent.
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.
气相催化氟化合成的1,1,1,2 -四氟乙烷及其相关副产物组分的气相色谱-红外光谱分析。
Analysis of Components of Synthetic 1, 1, 1, 2-tetrafluoroethane and Its Related By-Products From Vapor Phase Catalytic Fluorination by Gas Chromatography-Fourier Transform Infrared Spectroscopy.
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.
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.
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