如今，研究人员为人们提供了一种测量个人产生的氮污染量的办法——他们的氮足迹。
Now, researchers have a way for people to measure how much nitrogen pollution they produce—their nitrogen footprint.
他们的主要目标是减少该区域的污染量。
Their chief aim is to reduce the amount of pollution in the area.
但是不断增长的污染量和下降的水位组合是那些步骤变得更难了。
But the combination of a rising pollution load and falling water levels makes that process much harder.
至1997年底，污染量已减少至81000公吨左右。
By the end of 1997, the pollution load had been reduced to about 81000 tonnes.
生化物需氧量(简写为BOD)：一种衡量有机物在水中的污染量的标准。
Biochemical oxygen demand - BOD: a measure of the amount of pollution by organic substances in water.
如今，研究人员为人们提供了一种衡量个人产生的氮污染量的办法——氮足迹。
Now, researchers have a way for people to measure how much nitrogen pollution they produce — their nitrogen footprint.
我们设置了第一个国家标准，以限定发电厂可以释放到天空的碳污染量。 岸。
We 've set the first-ever national standards limiting the amount of carbon pollution power plants can release into the sky.
在实验室中用同位素示踪法，研究了土壤中不同石油污染量对氮矿化及硝化速率的影响。
Isotope dilution method was adopted in lab for the study of the effect of crude oil contamination on the rate of nitrogen mineralization and nitrification in soil.
那些国家计划建造的电力站在运行期内排量将会与全世界自1850年来的工业污染量相匹敌。
The lifetime emissions from these countries’ planned power stations would match the world’s entire industrial pollution since 1850.
如果遵从英国的擅自引导，富裕国家将把他们的碳污染量削减40%，贫穷国家将把他们的碳污染量削减60%。
The rich nations, if they follow the UK's presumed lead, will cut their carbon pollution by 40%. The poorer nations will cut their carbon pollution by 60%.
结合北京的污水、污泥及污染物排放量的现状，预测2000年城市污水、污泥及污染量，就此问题提出了建议。
The volumes of wastewater, sludge and pollutant drained in Beijing in 2000 are predicted on the basis of the data at present. At the same time, Suggestions to the drainage problems are made.
为测量人暴露在环境中所受的化学污染量，有好几个研究团队正在开发一种可戴的测定装置，例如见测定生物圈污染。
Several teams are also working towards developing wearable devices to measure personal exposure to chemicals in the environment, for example (see "Bugging your biosphere").
当然，你需要保暖，也不能不做饭，但你可以减少呼吸受污染空气的量。
Of course, you have to keep warm and you can't stop cooking, but you can reduce the amount of bad air you breathe.
据环保局统计，汞的主要来源是占国内人为排汞量40%的燃煤电厂污染物。
The leading source of mercury is pollution from coal-burning power plants, which accounts for 40% of all domestic anthropogenic mercury, according to the EPA.
Nishiyama表示辐射量的增加确实令人担忧，但他同时表示这一海域不是海产供应地，所以这里的水污染对人类健康没有即时威胁。
Nishiyama said the increase was a concern, but also said the area is not a source of seafood and that the contamination posed no immediate threat to human health.
举例来说，1997年，美国环保署意图降低地表臭氧量标准——一种部分由石油精炼排放的污染物造成的污染。
In 1997, for instance, the E.P.A. moved to reduce surface ozone, a form of pollution caused, in part, by emissions from oil refineries.
其在宏观方面的影响可能是微乎其微，特别是因为减少退税也有利于其他污染产业，如高含锌量电池以及其它类型的电池产品。
Its macro-level impact is likely to be minimal—especially as it was accompanied by a reduction in the rebates available for other, polluting products like high-grade zinc and some types of battery.
科学家们研究声称，“了解土壤和积雪中的污染物的量对维持高山融水的质量有重要的作用。”
"Understanding the amount of pollutants in soil and snow is critical to maintaining the quality of alpine water sources," the scientists report.
污染、藻类大爆发，以及气温上升都是影响甲壳类生物量降低的因素。
Pollution, algae blooms, and rising temperatures all have roles to play in places where where shellfish stocks are declining.
而究竟何种污染以及多大的量则是科学家们讨论的热点。
Exactly what pollutants and in what quantities are a source of heated debate.
在切尔诺贝利事故最初的几个小时内，以碘和铯为主要构成的致命污染物融入了大气，它们之中附带着辐射量极高的放射性污染物。
In the first few hours of the Chernobyldisaster, lethal forms of iodine and cesium were released into the atmosphere. They were accompanied by other highly dangerous radioactive emissions.
还有，全球变暖问题，大坝问题，以及环境污染问题，都使得北美及欧洲地区的野生鳗鱼存活量近年来锐减。
What’s more, global warming, dams and pollution have taken a heavy toll on eel populations in North America and Europe.
通过减少废弃物等的产生量，降低能源消耗和减少事故，不仅可以减少对环境的污染，而且节省的资金远比治理措施投入的资金多。
By reducing the amount of waste, reduce energy consumption and reduce the accident, not only can reduce the environmental pollution, but also save money than measures of investment funds more.
然而，随着城市化的加深，汽车的需求量也越大，这会导致空气污染更严重。
However, with the deepening of urbanization, more cars are needed, which will make the air pollution worse.
采用新款喷粉机构，喷粉控制可设定纸张大小、喷粉时间，减少了粉量和空气污染。
Using new dusting institutions, dusting control can be set paper size, dusting time, reduce the volume of powder and air pollution.
流污染测量仪是加拿大通过美国宇航局的Terra卫星来测量大气中的一氧化碳的量的一种仪器。
MOPITT is a Canadian instrument flying on NASA's Terra satellite to collect measurements of carbon monoxide in the atmosphere.
石油仅仅是中国污染的一部分，中国是世界上产煤(同时也是煤矿伤亡人数最多)最多的国家，2005年产煤量是22亿吨。
Oil is only part of the picture. China is the world's biggest producer of coal (as well as of coal-mining fatalities), digging out 2.2 billion tonnes in 2005.
起诉人声称德士古公司在拉戈阿格里奥周边倾倒了3.3亿加仑石油，远远超过了英国石油公司在墨西哥湾的原油泄漏量，石油污染了当地的饮用水，引发了癌症和其他疾病。
The plaintiffs claim that Texaco dumped 330 million gallons of oil--far more than the BP spill--around Lago Agrio, poisoning their water supply and sickening them with cancers and other diseases.
起诉人声称德士古公司在拉戈阿格里奥周边倾倒了3.3亿加仑石油，远远超过了英国石油公司在墨西哥湾的原油泄漏量，石油污染了当地的饮用水，引发了癌症和其他疾病。
The plaintiffs claim that Texaco dumped 330 million gallons of oil--far more than the BP spill--around Lago Agrio, poisoning their water supply and sickening them with cancers and other diseases.
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