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自1987年蒙特利尔议定书产生以来,在一系列国际性政府会议与技术会议的推动下,为保护臭氧层受控物质的限制范围在不断扩大,限用日程表也在不断地提前．按照1992年11月哥本哈根会议,工业国将于1995年前停止CFC物质的生产．而HCFC类物质也将从1996年起开始冻结产量,并将在2020年前实质上停止生产。这种不可逆转的大趋势还会进一步提前。为使读者对制冷空调工业中当前CFC问题有一概括了解,本刊编辑部从这期起将连载三篇专题论述。题名及作者分别为:1．CFC专题论述之一——工业制冷,上海通用机械技术研究所董天禄;2．CFC专题论述之二——家用冰箱,上海机械学院蒋能照;3．CFC专题论述之三——汽车空调,上海易初通用机器厂陈孟湘。
Since the Montreal Protocol was first introduced in 1987, the restrictions on the controlled use of ozone-depleting substances have been steadily expanding under the auspices of a series of international governmental conferences and technical meetings, and the use of restricted schedules has been continuously advanced. In accordance with the Copenhagen Conference of November 1992, the industrialized countries will stop the production of CFCs by 1995. The HCFCs will also freeze their production from 1996 onwards and will cease production substantially by 2020. This irreversible trend will be further advanced. In order to make readers have a general understanding of the current CFC issues in the refrigeration and air-conditioning industry, our editorial department will serialize three articles on this issue. Title and author respectively: 1. CFC one of the topics discussed - Industrial Refrigeration, Shanghai Institute of General Machinery Dong Tianlu; 2. CFC Symposium II - Household refrigerators, Shanghai Mechanical Engineering Institute to Chiang; 3. CFC three topics discussed - car air-conditioning, General Machinery Factory in Shanghai Yi Chen Chen-Xiang.