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- 网络相位阵列波导光栅
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Based on the research work currently carried out by the UNEP Chemical Process Agent Working Group ( PAWG ) , the present situation and tendency of the use of Ozone Depleting Substances ( ODS ) in chemical process industries and their alternatives are globally summarized in this paper .
本文以联合国环境规划署化学加工助剂专家组（PAWG）最近开展的研究工作为背景综述了消耗臭氧层物质（ODS）在化学加工过程中使用及其替代技术的现状与趋势。