food contaminant 食品污染物 ; 食品污染物质
air contaminant 空气污染物 ; 大气污染物
radioactive contaminant [环境] 放射性污染物 ; 放射性沾染物
airborne contaminant 气载污染物 ; 大气污染物 ; 空气中的污染 ; 空气污染
organic contaminant 有机沾污物
chemical contaminant 化学污染物
ionic contaminant 离子杂质
Then the effects and the characters of CSGC anti-seepage to contaminant such as heavy metals and organic matter are studied.2. Adsorption mechanism and property of clay-solidified grouting curtain to contaminant.
粘土固化注浆帷幕对污染物的吸附性能和机理。
参考来源 - 粘土固化注浆帷幕对渗滤液的阻渗机理与环境效应·2,447,543篇论文数据，部分数据来源于NoteExpress
N-COUNT A contaminant is something that contaminates a substance such as water or food. 污染物 [正式] [usu pl]
Contaminants found in poultry will also be found in their eggs.
在家禽里发现的污染物，也将会在它们下的蛋里发现。
Experts say testing needs to be done on each contaminant to determine the long-term effects on humans.
专家说需要对每种污染物进行测试，以查明对人类的长期影响。
High purity water systems are primarily composed of austenitic stainless steel (ss) materials due to their corrosion resistant and contaminant free properties.
考虑到铬镍不锈钢(SS)的抗腐蚀和防污染性，高纯水系统基本上都是由铬镍不锈钢材料构成。
Each of the membrane technologies is essentially a filtration process in which contaminant ions are filtered from solution using a membrane with very small water passages.
这些膜技术本质上都是一个过滤程序，就是用一个有非常细小水通道的膜片把污染物离子从溶液里过滤掉。
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