1It is essential that we ___ measures to protect the ozone layer. A.will takeB.should takeC.would takeD.took 2It is essential that we ___ measures to protect the ozone layer. A) will takeB) should takeC) would takeD) took 3It is essential that we ___ measures to protect ...
The results show that it is possible to obtain a reasonable estimate of AOT40 even in the absence of continuous data, if the time-averaged concentration can be measured reliably. 展开 关键词: Tropospheric ozone Exposure index Passive sampling Statistical model Critical levels ...
Considerable evidence is accumulating leading to the supposition of two electrically conducting-layers in the upper atmosphere. The writer wishes to indicate that the observations treated in this paper are not inconsistent with such a supposition....
Why is the ozone layer important? A. It absorbs ultraviolet radiation B. It reflects sunlight C. It causes rain D. It creates wind 相关知识点: 试题来源: 解析 A。本题考查臭氧层的重要性。选项 A,臭氧层能吸收紫外线,保护地球上的生物;选项 B,臭氧层不反射阳光;选项 C,臭氧层与降雨无关;选项...
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1.3 Ozone-induced grafting technology Surface ozonization is being widely applied in polymer research areas because it has an advantage of uniformly introducing peroxides on the polymer surface even with complicated shape and offers an easy-to-handle, inexpensive method. Moreover, this technique redoun...
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听力原文: Ozone is a form. of oxygen. It is found in the air we breathe and in the upper atmosphere. Near Earth, ozone ii1 the air is a danger to life because it is a pollutant. (33)But between ten and fifty kilometers up in the atmosphere, ozone protects life on Earth. Ozone...
The ozone layer is very important for the earth because it ___. A. makes the sky look blue B. provides a lot of oxygen for us C. protects us from too much ultraviolet radiation D. keeps the E. arth warm 相关知识点: 试题来源: 解析...
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