polluted groundwater造句

• Analysis of influencing factors on in - situ remediation of leachate - polluted groundwater with prb technology
  技术处理污染地下水的影响因素分析
• Through the in - situ experiments of removing the petroleum hydrocarbons in polluted groundwater , the removal mechanism of the petroleum contaminants by the biological activated carbons , the micro - patterns and the biological characteristics of the carbon surface were studied in this paper
  研究了生物活性炭去除地下水中石油类污染物的机理、活性炭表面生物膜的微观形态及生物学特性。
• Abstract : through the in - situ experiments of removing the petroleum hydrocarbons in polluted groundwater , the removal mechanism of the petroleum contaminants by the biological activated carbons , the micro - patterns and the biological characteristics of the carbon surface were studied in this paper
  文摘:研究了生物活性炭去除地下水中石油类污染物的机理、活性炭表面生物膜的微观形态及生物学特性。
• There is an increasing interest in reducing n losses from the agriculture soils major reason is the rapid increase in the number of polluted groundwater reservoirs in many countries . to obtain more detailed information about n process in agriculture soils , nondestructive measurement techniques with high spatial and temporal resolution are needed
  氮素淋火引发了越来越多的社会和环境问题。为了得到更详尽的硝态氮在各因素影响下的淋失机理，需要一种对土壤破坏程度低，具有高度时空性的测定技术。
• Whereas being influenced by environment factors and influx material characters , urban rainwater is polluted in some degree and its content of chemical oxygen demand ( cod ) reaching thousands mg / l and containing some poisonous matter such as heavy metal etc . if this polluted rainwater is filled to ground , it must pollute groundwater
  但由于城市环境因素和汇水面材料的影响，城区雨水受到相当程度的污染， cod可高达数千毫克每升，并含有重金属等有毒物质，如果将这些雨水直接回灌地下势必污染地下水源。