A reduction in emissions of sulphur dioxide, which causes acid rain, has increased the impact of greenhouse gases.

引起酸雨的二氧化硫气体排放减少，温室气体的影响随之扩大’。

属类：社会文化-新闻英语-全球变暖

Research on Emissions and Mitigation of POP’s from Combustion Sources

由燃烧源放射的POP及减少放射之研究

属类：应用文体-论文标题-

Available estimates suggest that the contribution of aircraft emissions to local destruction of stratospheric ozone is at present less than 1%

有资料显示，目前飞机排放气体对平流层抽样的区域破坏作用小于1%。

属类：综合句库--

--quantity of raw material or energy used; quantity of emissions such as C02

--原材料或能源使用量;气体排放量(如CO2等);

属类：行业术语-环境专业-原则、体系和支持技术通用指南

Air Products will assist customers in determining and implementing appropriate methods to control and monitor NF3 emissions .

在决定和实施合适的方法来控制和监测NF3的扩散方面，Air Products会帮助用户。

属类：产品说明书-产品安全-

During the trial the reduction in emissions and improvement in fuel efficiency and noise levels of the GTL fueled buses will be measured and compared.

在试车期间，将对使用GTL混合燃料的一组巴士的多项指标进行测量和比较，包括尾气减排、燃油效率提高和噪音减少三个方面。

属类：单位简介-壳牌公司网站-壳牌新闻

Already back in 1976, Volvo launched the three-way catalytic converter with lambda probe, which made it possible to cut emissions by 90%.

早在1976 年，Volvo 就推出了带氧传感器的三元催化转化器，这另降低90%的尾气排放成为可能。

属类：单位简介-汽车公司网站-关于Volvo

This regulation was upheld in Sierra Club v. Costle, 657 F.2d 298 (D.C.Cir.1981), despite the apparent statutory command to require in all situations "the best technological system of continuous emissions control"

这一规定在“赛拉俱乐部诉科斯特尔’[1981年《联邦判例汇编》第2集第657卷第293页(地区法院巡回法庭)"一案中得到支持，尽管法令要求在任何情况下都“要使用不间断排放控制的最好技术体系”。

属类：综合句库--

There are corresponding productivity, energy, maintenance, and emissions benefits end-users may realize.

终端用户可以在相应的生产率、能量、维护和散发污染物方面获得好处。

属类：产品说明书-产品安全-

The international primary standard for the kilogram is made of 90% platinum, 10% iridium. Platinum has valence 2 or 4 in its compounds, which include many coordination complexes. It and some compounds are useful catalysts, particularly for hydrogenation and in catalytic converters for reducing automobile emissions .

重量和长度的国际标准原型用90%的铂，10%的铱制成。76.7%铂与23.3%钴的合金是已知最强的永久磁体。铂在它的原子价里有2价或4价。这些化合物中有许多是配位错合物。铂与它的某些化合物都是有用的催化剂，尤其用于氢化作用中，以及用作催化转化剂。

属类：化学及生命科学-化学-