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astronomical
:
math, physics, and chemistry
>
index element
Contents
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No. 1
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Containing Phrases
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More results...
No. 1
tracer element;marker element
大气颗粒物(气溶胶)来源识别中应用源-受体模型,选择某种特征元素代表其污染或自然来源的元素。
例如用铝、硅代表土壤或风砂、扬尘的来源,铅代表汽车污染来源,硫、硒代表燃煤排放来源,钒,镍代表燃油排放来源,钠、镁代表海盐来源等。用这些
标志元素
可区分不同类型的来源及其贡献率。
Containing Phrases
water migration index element
Escape migrate Index element aldrin