查询词典 pollutants

The goals of the 1972 Clean Water Act are to eliminate the discharge of pollutants into waterways and make all U.S. waterways swimmable and fishable .

李薇特表示，1972年净水法案的目标是全面禁止污染物排放至水道，且让全美水道都能够游泳及钓鱼。

In the US, a milestone event was the passage of the Federal Water Pollution Control Act in 1972 {PL 92-500 "to restore and maintain the chemical, physical, and biological integrity of the Nation's waters" with the ultimate goal of zero discharge of pollutants into navigable, fishable, and/or swimmable waters.

加上最终目标实现污染物质的零流量进入可航行的，可钓鱼的，还有可游泳的水里。

Which is very active and has higher electron affinities and higher electrode potential than common strong oxidant , and can react with organic pollutants in the wastewater rapidly and non-selectively. Tedder

比其他常用的强氧化剂具有更高的电极电势，且电子亲和能更高，它能快速而无选择地与废水中有机物进行反应(Tedder D W，1996)。

There was a remarkable correlation between the total contents of Cd, As, Cu and Ni, which suggested a same origin of pollutants.

底泥中Cd、As、Cu、Ni之间相关性明显，Pb与其他重金属元素间的相关性不显著。

Objective To explore the pathologic changes in trachea of rats exposed to air pollutants.

目的探讨大气污染物对大鼠气管的病理学改变。

Pollution characteristics and transport and transformation rules of heavy metal pollutants were analyzed systemically at first.

本文首先系统分析了重金属污染物在水体中的污染特性以及迁移转化规律。

Obtains the variation regularity of indoor air pollutants, that is, their concentrations decrease after decoration. However, the concentrations may go up transitorily with the variation of indoor air temperature, relative hum...

得出了装修后室内污染物浓度的变化规律，即污染物浓度随时间推移而降低，其间可能会由于房间温度、相对湿度和气流组织的变化而出现短暂的起伏。

It was selected the major components of the odor from aquatic feed factory,and hydrogen sulfide,ammonia and trimethylamine were taken as the target pollutants.

以水产饲料恶臭废气中的主要组分H2S、NH3和三甲胺为研究对象，采用生物填料塔进行脱臭的试验研究，考察运行生物填料塔的主要影响因素及污染物净化处理效果。

As regards environmental protection, WMO's Global Atmospheric Watch monitors the chemical composition of the atmosphere including greenhouse gases, the ozone layer and ultra-violet radiation, as well as long-range transport of pollutants, aerosols, reactive gases and radioactive isotopes.

在环境保护方面，WMO的全球大气监视网对包括温室气体在内的大气化学成分，臭氧层和紫外辐射以及污染物、气溶胶、再活化气体和辐射同位素的长期距离传输进行监测。

Nutrient runoffs and other pollutants caused blue-green algae bloom in Taihu last summer, that rendered tap water undrinkable for about 10 days for more than 1 million people in Wuxi city, Jiangsu Province.

去年夏天富营养化和其他污染问题导致蓝绿藻在太湖繁殖过旺，这一情况使得江苏无锡的自来水10天不能喝，直接影响到的人群超过100万人。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。