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Save the blue sky, protect the ozone layer
Author(s): 
Pages: 50-52
Year: Issue:  4
Journal: Education in Chemistry

Abstract:  1 何谓臭氧层臭氧层位于距地面20~30公里的上空,假设将其移到地面只有3 mm(1大气压)的厚度.而正是这像蕾丝窗帘厚度的臭氧层在保护着地球不受紫外线的照射.
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