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CFCs问题已引起全球有关科学家、生产厂家乃至政府决策部门的严重关注。本文简要叙述CFC对臭氧层的破坏机理,讨论被广泛用作制冷剂的CFC12替代物的研究情况,比较了目前被认为较有希望的几种CFC12替代物的性能,详细介绍了作者认为最有希望的非共沸混合制冷剂R22/R134的有关特性。此外,文中还简要介绍我们在CFC替代物方面的研究工作进展情况。
The issue of CFCs has caused serious concern among scientists, manufacturers and even government decision-making departments around the world. This article briefly describes the destruction mechanism of CFCs on the ozone layer and discusses the research on CFC12 alternatives that are widely used as refrigerants. It compares the performance of several CFC12 alternatives that are considered to be more promising at present, and describes in detail what the author believes is the most promising Of the non-azeotropic refrigerant R22 / R134 related characteristics. In addition, the article also briefly introduces our progress in research on CFC alternatives.