Then, the pollution conditions of the superficial sediments are appraised by the single standardindex method.
利用单项标准指数法对沉积物的污染状况进行了分析。
2
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。
3
Each pollutionindex can reach the air environment quality level-2 standard (GB3095 -1996).