在总结分析现有水质评价方法的基础上，提出了水污染指数评价法，并对其定义、计算方法进行了详细介绍。
It summarizes shortages of present water quality evaluate methods, and puts forward water pollution index evaluate methods, then explains detailedly its definition, calculate methods.
基于反渗透原理，以89c52单片机为控制器，设计了水污染指数中的淤积密度指数(SDI)的自动在线测试装置。
Based on principle of reverse osmosis and used microcomputer 89c52 as controller, an automatic detection instrument of sludge density index (SDI) of water pollution is designed.
采用单项指标法和综合污染指数法两种方法对娘子关泉域地下水污染现状进行了水质评价。
The ground water quality of Niangziguan Karst spring is evaluated by comprehensive index method and single index method.
采用单项指标法和综合污染指数法两种方法对娘子关泉域地下水污染现状进行了水质评价。
The ground water quality of Niangziguan Karst spring is evaluated by comprehensive index method and single index method.
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