HFC-161,氟乙烷,化学式为 CH3CH2F,表 1 为 HFC-161 与 HCFC-22 和 HC-290 的基本性能比 较[2],图 1 为三者饱和蒸汽压的比较图。从图表中 可见,HFC-161 具有比 HCFC-22 略低的饱和蒸汽 压,能够在 HCFC-22 的系统中直接替代使用,密 度小于 HCFC-22,可减少系统加液量。HFC-161 与 HCFC-22 的现...
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HFC-161混合物替代HCFC-22的变工况性能分析 维普资讯 http://www.cqvip.com
The physical and chemical characteristics of HCFC- 141 B were introduced,which were used for cleaning of optical components before coating,such as low boiling point,strong decontamination,green safety and stability. The cleaning methods of HCFC- 141 B before coating for optical components were put ...