特征污染因子
特征污染因子
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认真分析该地区重金属污染现状,并经过严格筛选,确定以Cr~(6+)为特征污染研究因子。
Through the investigation of the current situation of heavy metal pollution in this region and strict selection , Cr6 + was decided as the pollutional factor .
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通过调查沿河企业废水排放情况及水质特征,认为主要污染因子是pH值和盐度;
By investigating the wastewater discharge and wastewater quality in the enterprises along the river , pH value and salinity were the main pollution factors .