pollution criterion是什么意思

用法例句

Discussion on the pollution prevention and control for the shipyards in the Three Gorges Reservoir;

三峡库区水域修造船厂防污染管理探讨

The influence of environmental pollution in boron-industry worksite on element contents of male worker body fluid;

硼作业场所环境污染对男工体液元素含量的影响

Regional distribution of arsenic contained minerals and arsenic pollution in China;

中国主要含砷矿产资源的区域分布与砷污染问题

Analysis of fouling mechanisms of ceramic membranes in microfiltration of Raney nickel catalysts suspension;

陶瓷膜微滤骨架镍催化剂的膜污染机理分析

Study on crude oil fouling ion-exchange membranes and its mechanism;

原油对离子交换膜的污染及机理研究

Study on the fouling and cleaning for ceramic membrane in clarification of traditional Chinese medicine extract;

陶瓷膜澄清生地黄提取液的膜污染和清洗研究

Field survey and analysis of soil and rice samples were conducted to investigate arsenic pollution of paddy fields in 4 mining areas in southern Hunan, including Shizhuyuan lead-zinc ore (Chenzhou), Jiepailing stannary (Chenzhou), Shuikoushan non-ferrous metal ore(Hengyang) and Longwangshan gold mine(Hengyang).

通过实地调查以及土壤和水稻样品分析,研究了湘南郴州柿竹园铅锌矿、郴州界牌岭锡多金属矿、衡阳水口山有色金属矿、衡阳龙王山金矿4个矿区稻田的As污染状况。