污染物

Section 301 ( b ) ( 2 ) prescribes BAT effluent limitations for " nonconventional " and toxic pollutants.

第201条 ( b ) ( 2 ) 中,针对 “ 非常规 ” 和有毒污染物规定了“最佳现有技术”污水限制.

A steady stream of California traffic clogs the air with pollutants.

加利福尼亚川流不息的车流使空气中充斥着污染物。

Many people are allergic to airborne pollutants such as pollen.

许多人对空气传播的污染物过敏，比如花粉。

Better dispersion of pollutants emitted by tall chimneys leads to better dilution in the air and thus lower local concentrations of pollutants.

高的烟囱能够让污染物在空气中散布得更均匀，可以更好地稀释污染物，让污染物的浓度降低。

Filters do not remove all contaminants from water.

过滤器无法过滤掉水中的所有污染物。

This paper analyses the daily data of pollutant concentration and meteorological data of Taiyuan in 2003, ex-pounds the relationship among space and time changes of pollutant concentration, pollutant concentration and meteorological conditions, refers reference for lightening and preventing air pollution.

对2003年太原市污染物浓度逐日数据和气象资料进行了分析，阐述了污染物浓度的时空变化和污染物浓度与气象条件的关系，为减轻和防止大气污染提供了参考。

The quantity of chemical pollutants has increased exponentially.

化学污染物排放量已经迅速增加。

The total intake of organic pollutants from well water and rice by the inhabitants living in the polluted area was about four times as much as that in the control area.

根据污染物含量估算，污染区居民每日通过食用井水、稻米，摄入体内的混合有机污染物总量高于对照区近4倍。

Objective To study the correlation between air single pollution factor PI and Y of the infection of the upper respiratory tract in Zhengzhou city, 1999, and decide its main pathogenic polluted substances.

目的分析1999年以来郑州市大气单因子污染指数（pi）与儿童上呼吸道感染门诊就诊人数（Y）之间的相关性，并确定大气污染物中的主要致病污染物。

Due to the increasing pollution in marine environment, Vtg of marine fish receives great concern.

随着环境污染的加剧，大量污染物被排入大海，使沿海污染日益严重，因此有必要开展海洋鱼类Vtg的研究，用于监测海洋环境雌激素的污染。

In 1986, EPA adopted new BCT regulations.

1986年, 环境保护局采用一套新的“常规污染物最佳控制技术”管制规章.

The level of pollution in the river was falling.

这条河中的污染物水平在下降。

To do so of air pollution we must find the regular of air pollutants conveying in the CDEC, but the pollutants convey and diffuse in the ABL, so we must survey the ABL features among the agglomeration.

要做到成都经济圈大气污染联防联控就必须弄清经济圈内大气污染物输送规律，而污染物是在大气边界层中迁移和扩散的，所以就必须研究城市群间大气边界层特征。

The 1987 Amendments limit 301 ( g ) discharges to a few well-studied nonconventional pollutants.

1987年的修正案把第301条 ( g ) 的普通排放限制施加在一些认真研究过的几种非常规污染物上.

The men were clearing all the pollution off the shore.

人们在清除海滩上的污染物.

CASCAD closes over the contaminants, thereby eliminating outgassing and associated downwind hazards.

CASCAD会包围污染物质,使污染物质不会泄漏,于是就不至于造成下风处的灾害了.

Based on fine breeze model, atmosphere pollution prediction software is developed with Visual Basic to calculate the ground concentrations of smokes atmosphere pollutants at different downwind distances, and assess their impact upon the environment.

根据点污染源的微风扩散模式，利用VISUAL BASIC编制了发烟剂大气污染物的浓度预测软件，用于计算污染物在下风向不同距离处的落地浓度，并对计算结果进行简单的评价分析。

The result showed that air pollution diffused badly in fog days in Shanghai and caused serious air pollution. The time of high concentration of air pollution was synchronization with fog formation and disappearance, the pollution concentration was 2-10 fold higher than before fog appearance.

结果表明，上海出现雾天时，不利于大气污染物的扩散，造成雾天大气污染较严重，污染物浓度高值出现的时间与雾的形成至消散基本同步，比起雾前高2～10倍。

Of special concern are toxic contaminants in water from underground sources.

特别关心的是地下水源中的有毒污染物.

Most cities generate a complex brew of pollutants.

多数城市都会产生各种物质混杂的污染物。

COMSOL simulation can be used to forecast the law of soluble pollutants moving in the groundwater flow in different conditions, to predict pollution halo, pollutants distribution, and this method is universally applicable to all groundwater pollution problems.

采用COMSOL可以模拟地下水流动和不同时间条件下地下水系统中可溶性污染物的动态变化规律，预测污染扩散、污染浓度的时空分布特征，该方法对其它地区地下水污染问题普遍适用。

The court rejected EPA's position and invalidated all the BCT regulations.

法院反驳了环境保护局的观点,并宣布所有常规污染物“最佳控制技术”规章无效.

These plant residues and sediment carrying a certain amount of pollutants, if not promptly removed from the water, may be pollutants will re-enter the water body to cause secondary pollution, thus affecting the purification of the wetland system at the same time lead to resource waste.

这些植物残体与底泥携带有一定量的污染物，如果不及时的从水体中移除，可能污染物会重新进入水体中造成二次污染，从而影响人工湿地系统的净化效果，同时造成资源的浪费。

We are exposed to an overwhelming number of chemical contaminants every day in our air, water and food.

我们每天都会通过空气、水和食品接触到数量惊人的化学污染物。

Contaminants found in poultry will also be found in their eggs.

家禽身上发现的污染物，在禽蛋里也会有。

Fluorine is element of great environmental interest and fluoride is one of the pollution controlling species.

氟化物是大气污染物控制的污染物种,煤燃烧是大气氟污染的最大潜在污染源.

The percent of the Iosed amount of the animals' feces pollution 、 domestic living pollution 、 chemical fertilizer pollution and fish breeding pond pollution was separately 29.49%, 50.86%, 16.68% and 2.98%;

畜禽粪便污染源、生活污染源、化肥污染源、精养鱼塘污染源流失污染物分别占总量的29.49%、50.86%、16.68%和2.98%；

Techniques for controlling particulates include filtering, washing, centrifugal separation, and electrostatic precipitation.

控制颗粒污染物的技术包括过滤 、 洗涤 、 离心分离 、 静电沉降.

Considering mass balance of pollutant materials, a theoretical formulation is derived for describing time variation of CO concentration in indoors by introducing mixing factor and decay rate.

在引入了室内污染物混合因子概念并考虑到浓度衰减效应后，根据污染物质量平衡关系，从理论上导出了一个预测室内气态污染物浓度随时间变化的公式。

When the pollution area was relatively large and there was tributary nearby, the diversion dike was used to lead the phenolic pollutants into the tributary which had the small cross-section, so that the activated-carbon-block-adsorption net ( ACBA net) could be set easily.

当酚类污染物污染范围较大，且附近有小河汊等时，利用导流堤将污染物引入横截面较小的小河汊，以便安置活性炭拦截吸附网。