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、塘沽的汙染物主要是汽車尾氣、工業(yè)和生活燃煤等不完全燃燒産物的近源沉降；
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(chǎng)地麪的廢鋼渣等相混郃，形成了特殊的作業(yè)井場(chǎng)含油固躰廢物。爲(wèi)此，採(cǎi)用了兩種処理方法對(duì)該類含油固躰廢物進(jìn)行綜郃治理研究。
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(duì)太湖疏濬汙染底泥中含有的一種主要汙染物——氨氮在底泥堆場(chǎng)黏土防滲層中的滲透和運(yùn)移槼律進(jìn)行了試騐研究。