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臭氧层损耗
释义
臭氧层损耗
Encyclopedia
理学
〔中层大气化学〕
释
ozone depletion
臭氧层损耗
指20世纪70年代末以来观察到的两个臭氧总量下降的现象。一是地球大气臭氧总量(主要是臭氧层)平稳下降约4%;二是极地平流层臭氧春季大幅下降,后者被称为臭氧洞。除了上述平流层现象外,春季极地对流层中也存在臭氧损耗现象。
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operand
operant behavior
operant conditioned reflex
operant conditioning
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opera of soviet area
opera of the Ming Dynasty
opera painting
opera performance
opera performance at different seasons and solar terms
opera performance equipment
Opera Performance Monument of the Dragon King Temple by the West Dragon Pool in Chengjiang City
opera performance of rural society
opera performance of urban society
opera performance outside one's troupe
opera performed at a market rally
opera performed by official troupe of Qing Dynasty
Opera Performers in Ming and Qing Dynasties
opera played in temple fairs
opera poster
opera practice
opera practices
opera prints of Taohuawu
opera prints of the Ming Dynasty in Fengxiang County
opera prints preserved in Mianzhu City
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