Critical load

In the study of air pollution, a critical load is defined as ”A quantitative estimate of an exposure to one or more pollutants below which significant harmful effects on specified sensitive elements of the environment do not occur according to present knowledge”. (Nilsson and Grennfelt 1988)

单词	Critical load
释义	Critical load 英语百科 Critical load In the study of air pollution, a critical load is defined as ”A quantitative estimate of an exposure to one or more pollutants below which significant harmful effects on specified sensitive elements of the environment do not occur according to present knowledge”. (Nilsson and Grennfelt 1988)
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