soil contaminant

基本解释

The result showed that the PAHs contaminant in the surface soil of Tianjin urban, Tanggu and Hangu district mainly originated from vehicles and coal burning production.
结果表明，天津市区、近郊区和汉沽、塘沽的污染物主要是汽车尾气、工业和生活燃煤等不完全燃烧产物的近源沉降；
During a well workover, the oily solid contaminant in the well field is composed of crude oil, waste water, surface soil and waste steel sludge spread on the well field.
在井下作业中，原油、废水与地表土壤及铺垫井场地面的废钢渣等相混合，形成了特殊的作业井场含油固体废物。为此，采用了两种处理方法对该类含油固体废物进行综合治理研究。
The infiltration, transportation and transformation of a main contaminant(ammonia nitrogen) in the Taihu Lake sediment through a clayey soil layer are studied experimentally.
对太湖疏浚污染底泥中含有的一种主要污染物——氨氮在底泥堆场黏土防渗层中的渗透和运移规律进行了试验研究。