However, even slight changes in the meteorology of the region this month could affect the rate of depletion of ozone and how large an area the ozone hole might span.
即使这一地区在本月之内出现任何的天气变化都有可能影响臭氧含量的变动,并决定臭氧空洞将扩大多少。
Materials industry is an important responsible area of resource (energy) depletion and waste emission, which results in severe ecological and environmental problems.
材料产业是资源(能源)消耗和污染排放的主要责任者之一,并由此产生了深刻的生态环境问题。
In this paper, the area contact model of depletion layer width under avalanche breakdown in Si epitaxial wafer by a three-probe method is analysed. The theory accords with experimental results.
本文分析了三探针测试硅外延片中雪崩击穿时耗尽层宽度的面接触模型,理论和实验结果吻合。
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