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.
介绍用FTV2 70 0型氦离子化气相色谱仪分析氙气中六氟乙烷含量的方法。
A new method employing model FTV2700 helium ionized gas chromatographic analyzer to analyze the hexafluoroethane(C 2F 6)content in xenon is described.
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.
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.
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.
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.
并研究了PVP与聚环氧乙烷（PEO）、共聚维酮S-630及聚偏氟乙烯（PVDF）的共混纺丝。
The blended fiber spinning of PVP with polyethylene oxide (PEO), S-630 and poly (vinylidene fluoride)(PVDF) was also studied.
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.
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.
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