soil contaminant

基本解釋

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.
結(jié)果表明，天津市區(qū)、近郊區(qū)和漢沽、塘沽的污染物主要是汽車尾氣、工業(yè)和生活燃煤等不完全燃燒產(chǎn)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.
在井下作業(yè)中，原油、廢水與地表土壤及鋪墊井場地面的廢鋼渣等相混合，形成了特殊的作業(yè)井場含油固體廢物。為此，采用了兩種處理方法對該類含油固體廢物進行綜合治理研究。
The infiltration, transportation and transformation of a main contaminant(ammonia nitrogen) in the Taihu Lake sediment through a clayey soil layer are studied experimentally.
對太湖疏浚污染底泥中含有的一種主要污染物——氨氮在底泥堆場黏土防滲層中的滲透和運移規(guī)律進行了試驗研究。