复数： contaminants

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Copper is a contaminant that can mess up nonmetallic stages of the manufacturing process , so the machines that add copper need to be carefully segregated .

铜是一种污染物，会对非金属加工过程造成混乱，因此用于添加铜质电路的机器需要被仔细的隔离。

The group 's research activities include contaminant hydrogeology and regional hydrogeology .

其主要研究范围包括污染物水文地质学和区域水文地质学。

Spatial variability of hydraulic conductivity is very important for contaminant transport through liners .

衬垫渗透系数的空间变异性对污染物运移有重要影响。

" The whole notion of adding an amendment to the soil to change the mineral form of a contaminant and make it safe is great , " said sally brown , a research professor in ecology and environment at the university of washington .

“向土壤中加入另一种调节物质来改变污染物的矿物特性，使其不再具有危害性，这样完整的治理概念非常令人感到惊喜，”华盛顿大学生态和环境学的教授萨利布朗说。

In the ic process , the residual contaminant is extremely harmful to our device characteristic , especially the effect of metal contaminant to the initial dielectric breakdown of silicon oxide layer .

制程中残留下来的污染物对於我们元件的性质也造成极大的伤害，尤其金属杂质对於氧化层的初始介电崩溃的影响。