In order to control the coastal water pollution effectively, its characters and regulations must be mastered, based on which the coastal water environmental capacity could be calculated.
为了有效地控制近岸海域的污染，就必须掌握其特征和规律，并在此基础上合理确定近海水环境容量。
The transformation regularity of chemical pesticide in soil was analyzed. It was important to predict its change tendency and control pesticide environmental pollution.
阐述了化学农药在土壤中的迁移转化规律，对于预测其变化趋势和控制农药环境污染具有重大意义。
The paper analyses environmental noise pollution of urban area of Xin Xiang city and its causes, and puts forward noise control measures.
本文就新乡市城区环境噪声污染现状，分析了噪声污染产生的原因，提出了防治噪声污染的管理对策。
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