Sulphur dioxide is a pollutant and a major contributor to acid rain.
二氧化硫是一种污染物，并且是形成酸雨的主要因素。
Nitrogen dioxide is a pollutant emitted by automobiles.
二氧化氮是汽车排放的一种污染物。
Sulfur dioxide, a major contributor to acid rain, is an especially serious pollutant because it diminishes the respiratory system's ability to deal with all other pollutants.
二氧化硫是酸雨的主要成因之一，它是一种特别严重的污染物，因为它会降低呼吸系统处理其他污染物的能力。
The peroxyacetyl nitrate is an important atmospheric pollutant.
过氧乙酰硝酸盐是一种重要的大气污染物。
Coal itself is a heavy pollutant.
煤本身就是一种严重的污染物。
PM affects more people than any other pollutant.
可吸入颗粒物对人的影响要大于其他任何污染物。
Carbon dioxide may not be a typical air pollutant.
二氧化碳可能不是一种典型的污染物。
Almost 7 tons of ammonia emissions, a major air pollutant.
差不多7吨的氨气排放，而氨气是一种主要的空气污染物。
As an air pollutant, NO2 has several correlated activities.
作为一种空气污染物，二氧化氮具有几个相关联的活动。
Burning a tyre, by contrast, produces sulphur dioxide, a noxious pollutant.
相反，燃烧轮胎会产生有害的污染物，二氧化硫。
No pollutant discharge is allowed without a pollutant discharge permit.
未取得排污许可证的，不得排放污染物。
Electric fields can help reduce soot formation and pollutant emissions from flames.
电场可助于降低火焰中烟尘的形成以及污染物的排放。
And if that wasn t bad enough NOx is a poisonous pollutant that it takes a lot of effort to remove.
而且，比这更糟的是，氮氧化物属于一种有毒的污染物，清除它需要付出很高的成本。
Manganese remains a substantial pollutant in the air, soil and house dust in this part of Italy.
该地区的空气、土壤和室内尘土中充斥着大量的锰。
The targets for saving energy and reducing pollutant emissions were set forth in the Eleventh Five-Year Plan.
“十一五”规划提出了节能降耗和污染减排目标，并作为约束性指标。
Soon electrofilters of the new generation will be installed here and that will greatly lower the pollutant emissions.
新一代的电子除尘过滤装置很快将会被安装起来，这样会很大程度上降低污染物的排放。
The environmental quality standards and pollutant discharge or emission standards are divided into state standards and local standards.
环境质量标准、污染物排放标准分为国家标准和地方标准。
These metal impurities can also leach out, becoming an environmental pollutant when the chip is trashed at the end of its lifetime.
当芯片完成使命成为垃圾后，其里面的金属杂质也可以过滤出来，但会污染环境。
The hope is that the gas will stay deep underground for millennia rather than entering the atmosphere as a heat-trapping pollutant.
我们宁愿二氧化碳在地下沉睡一千年，也不愿把它释放到大气中来使大气变暖。
The precise sources of the PCB plume should be pinned down and used to complete the pollutant inventories of African countries, she says.
她说，这些氯联苯的污染源必须被清除掉，以完善非洲国家污染物清单。
Carmakers have challenged the law, in part on the ground that CO2 was not an air pollutant-a notion the Supreme Court has now quashed.
汽车制造商曾挑战这项法律，大部分是以CO2不是空气污染物质为理由，但是现在最高法院现在已经全面否定了这种概念。
The act, they note, says the EPA should regulate any air pollutant that "may reasonably be interpreted to endanger public health or welfare".
他们注意到，这个法案中提到，环保局应当监控所有的空气污染物，而空气污染物可以合理的诠释成威胁到公众的健康或幸福感的物质。
Still, there are many reasons to pursue such studies, he said. Electric fields can help reduce soot formation and pollutant emissions from flames.
仍有许多原因推动这些研究，他说。电场可助于降低火焰中烟尘的形成以及污染物的排放。
The insects also produce 300 times less nitrous oxide, also a warming gas, and much less ammonia, a pollutant produced by pig and poultry farming.
昆虫制造出的一氧化氮比猪和家禽少300倍，制造的温室气体、氨气也要少很多。
Carmakers have challenged the law, in part on the ground that CO2 was not an air pollutant-a notion the Supreme Court has now comprehensively quashed.
汽车制造商对该法律提出质疑，部分根据是二氧化碳不属空气污染物——最高法院这一次完全否定了这种说法。
Carmakers have challenged the law, in part on the ground that CO2 was not an air pollutant-a notion the Supreme Court has now comprehensively quashed.
汽车制造商对该法律提出质疑，部分根据是二氧化碳不属空气污染物——最高法院这一次完全否定了这种说法。
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