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1·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。《柯林斯英汉双解大词典》

2·The results show that man's movement affects air pressure, air velocity and contaminant distribution, while the impact on air temperature can be ignored.

结果表明，人体活动会对室内气流压力、速度及污染物分布产生一定程度的影响，对温度分布的影响可以忽略。

3·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。

4·Characters, shapes and stage concentration of the contaminant were defined; and two representative drain pipes in Harbin was been measured by field experiment.

对污杂物的性质、形状以及分级浓度进行了定义，并通过实验在典型时段对哈尔滨市两处具有代表性的污水干渠进行了现场测定。

5·The present coupled CTHM constitutive model has been integrated into the coupled thermo-hydro-mechanical mathematical model including contaminant in porous media.

本文CTHM耦合本构模型已在多孔介质的热–水力–力学–污染物传输数学模型中建立。

6·Many minerals in nature have the self-purification capacity to hold and stabilize deleterious contaminant, which can be used to deal with heavy metal contaminants.

自然界中的许多矿物自身赋有容纳和稳定有害物质的自净化能力，可用于重金属类污染物的治理。

7·The iron promoted electrolysis enhanced markedly the removal efficiency of contaminant, compared with the traditional electrolysis oxidation degradation of organism.

结果表明，与传统电解氧化降解有机物相比，铁促电解显著提高了有机污染物的去除效率；

8·Much attention has been paid to the photosynthetic bacteria (PSB) due to its unique physiology property and the ability to degrade many kinds of organic contaminant.

光合细菌(PSB)以其特有的生理特性和降解多种有机污染物的能力，日益受到了人们的重视。

9·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。

10·While this contaminant layer is responsible for varying friction values, it plays a beneficial role by separating the wheel and rail surfaces, usually decreasing wear.

轮轨表面的污染层也会影响粘着系数的变化，它避免了轮轨表面直接接触，有利于减少磨损。

(1)organic contaminant有机污染物

(1)air contaminant空气污染物