Pulse of emissions regulations for diesel engines is analysed. The study is carried out on the emissions level that can be reached up by diesel engine.
对柴油机排放法规的动向进行了分析，对柴油机可能达到的排放水平进行了研究，重点论述了柴油机排气后处理技术；
The research results show that this method can simulate the practical condition well and it also indicates a way to improve emissions level and performance of automobile diesel engine.
结果表明，该方法能较好地拟合实际情况，为改善发动机的排放和性能指明了方向。
If current trends continue, by the year 2010 carbon emissions in the United States will soar to a level more than one-third higher than were those in 1990, according to official projections.
根据官方预测，照目前的趋势，到2010年，美国的碳排放将飙升至比1990年高出三分之一以上的水平。
They believe that the best we can do is keep it at a reasonable level, and at present the only serious option for doing this is cutting back on our carbon emissions.
他们认为，我们所能做的最好的事情就是把它控制在一个合理的水平，而在这方面目前唯一重要的选择就是减少碳排放。
The level of emissions they cause will depend on how the electricity to run them is generated, while brakes, tyres and roads all create tiny airborne particles as they wear out.
它们产生的排放量将取决于驱动它们的电力是如何产生的，而刹车、轮胎和道路在磨损时都会产生微小的空气颗粒。
In theory, this system is more watertight than a tax, since the overall level of emissions is fixed.
理论上来讲，这个方案比征税更加严密，因为整体的排放量水平是固定的。
But while analysts say that the emissions cuts are more than they expected, they are still not enough to guarantee keep warming under the danger level of 2c.
但是，尽管分析家们说，其排放削减量超过了他们的期望，但是仍然不足以保证保持温度升高在危险的摄氏2度的水平以下。
He is right, too, that the taxation of emissions should, other things being equal, replace other taxes, rather than raise the overall level of taxation.
他的另外一个观点也是对的：在其它条件不变的情况下，碳排放税应当取代其它税种，而不是提高整体税负。
Can we seal a comprehensive, equitable and ambitious deal in Copenhagen that will reduce greenhouse gas emissions and limit global temperature rise to a scientifically safe level?
我们能够在哥本哈根达成一个全面、公平而又雄心勃勃的协议，以降低温室气体排放和把全球气温上升限制在科学上认为安全的程度吗？
First, freeze America's level of carbon dioxide emissions immediately, and then reduce it by 90% by 2050.
第一，立刻限制美国二氧化碳的排放水平，并在2050年将其减少90%。
These cores show that the level of pollution, especially soot, in Himalayan glaciers correlates with emissions in Europe and South Asia.
这些冰心不仅表明了此地的污染程度，更重要的是说明了喜马拉雅山冰川上的烟灰与欧洲和南亚的排放相关。
A critical outstanding issue is whether China will agree to have its emissions curbs monitored at an international level.
关键的未决问题之一是，中国是否会同意让其减缓排放情况在国际层面得到监测。
These teeth were then tested to determine their level of Strontium-90, a radioactive fission product that escapes in nuclear power plant emissions.
这些乳牙都要经过测试，以确定它们的锶- 90的积存程度。锶- 90是一种核裂变的产品，它们会从核电站的排放物中逃逸和扩散。
Most of those pledges concern the level at which countries will constrain emissions in 2020.
大部分承诺都关注于各国在2020年将要限制的排放量。
In 2007 Canada's emissions were 29% above their 1990 level and Spain's 57%.
2007年，加拿大的排放量比1990年水平高出29%，西班牙则高出57%。
All told, Mitsui Babcock calculates, these measures could cut emissions from coal-fired plants to the same level as those using natural gas.
据三井巴布科克公司估算，这些措施总共可以将燃煤发电站的排放水平降至燃烧天然气的污染物排放水平。
In 2009, the most recent year for which data are available, the country's greenhouse-gas emissions were at their lowest level since 1995.
我们能得到的最新数字是2009年的，这一年温室气体的排放达到了1995年以来的最低点。
He does call for a cap-and-trade scheme that would reduce America's emissions by 14% from the level of 2005 by 2020 and by 83% by 2050.
他的确呼吁通过此方案的实施，到2020年，美国的排放量能在2005年的基础上减少14%，到2050年减少83%。
"Without extending and upgrading the grid Europe will not be able to make the emissions reductions it wants, or achieve the level of renewable energy it has set as a target, " says Wilkes.
威尔克斯说：“如果不扩大和升级电网，欧洲就无法实现减排计划，也无法实现可再生能源的目标。”
To stop it at 450 ppm, Sterman says, a level many scientists consider dangerously high, the world would have to cut emissions by around 80 percent by 2050.
斯特曼说，为了防止它上升到许多科学家都认为危险的450PPM的高水平，到2050年全世界要减少80%左右的排放。
At Shell, our preference is for cap-and-trade systems that place a cap on the overall level of emissions permitted.
在壳牌，我们倾向于上限和交易(cap - and - trade)系统来为总的排放水平确定一个上限。
Want global emissions to peak by 2015 and fall 85% below 1990 level by 2050.
希望全球排放量到2015年左右停止增长，并到2050年时下降到1990年水平的15%。
The pledge is to cut carbon emissions intensity by 40 percent to 45 percent from the 2005 level, which would put emissions intensity near 1.75 tons carbon dioxide per 10, 000 yuan of GDP.
这项承诺是将二氧化碳排放强度从2005年的水平削减40%至45%，这样的话，每万元GDP的排放强度大约为1.75吨二氧化碳。
Wants rich countries to reduce emissions to 40% below 1990 level by 2020.
要求发达国家到2020年时在1990年的基础上减排40%。
Kyoto: Signed - has to get average emissions for 2008-2012 8% below 1990 level.
京都议定书：签署方，须在2008至2012年间在1990年的基础上减排8%。
Kyoto: Signed - has to get average emissions for 2008-2012 8% below 1990 level.
京都议定书：签署方，须在2008至2012年间在1990年的基础上减排8%。
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