Water quality in Huainan part of Huaihe river is evaluated by comprehensive pollution index method according to dissolved oxygen etc indexes.
采用综合污染指数法，选择了对淮河淮南段水质影响较大的溶解氧、 高锰酸盐指数、 生物需氧量等指标评价了淮河水质。
The classification standard of comprehensive evaluation of environmental pollution control installations has been established by the efficacy index method that put forward in this article.
本文提出的功效指数法建立了综合评价环境污染控制设施的分级标准。
A new quantitative assessment method for coal environmental pollution property is defined by using the pollutants output per thermal unit and the comprehensive air pollution index.
对煤炭环境特性的单因子绩效评价法和综合污染特性指数法进行了分析和定义。
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