Such laws in California have cut diesel-soot emissions in that state by half.
在加州，这样的法律已削减该州一半柴油碳烟的排放。
In addition, soot emissions of 11.65 million tons, 2000 China industrial dust emissions of 10.92 million tons.
此外，2000年中国烟尘排放量为1165万吨，工业粉尘的排放量为1092万吨。
These capture most of the heat from the fuel, greatly reducing the amount of wood required, and they slash soot emissions too.
这可以获取燃料中的大部分能量，大幅减少所需的木头，还可以减少烟尘排放。
Diesel engines can produce higher soot emissions due to its diffusion combustion mode and small amounts of fuel additives can improve such process and thereby reduce emissions.
柴油机的扩散燃烧方式会产生较高的烟度排放，在燃油中加入少量的燃油添加剂能够改善燃烧过程降低排放。
Compared with the conventional diesel engine, the soot emissions of dual fuel engine reduce dramatically and NOX emissions decrease, while HC and co emissions increase slightly.
与原柴油机相比，双燃料发动机的碳烟排放大幅度下降，NOX排放降低，而HC和CO排放有所增加。
Soluble organic fraction and dry soot emissions from 6110 type diesel engine under different operating conditions are measured by vaccum volatilization and presented in the paper.
文中给出了用真空加热法测得的6110型柴油机微粒的可溶有机物和干烟的排放特性。
Under the environmental conditions of plateau area, the power performance, economic performance and soot emissions of diesel engines burning the mixture of LPG and diesel oil have been studied.
在高原环境条件下，针对柴油机燃用LPG的经济性、动力性和排放特性进行了研究。
Initial results show traditional stoves have even higher soot levels than anticipated, while new stoves appear to dramatically reduce emissions.
初步结果显示，传统火炉的煤烟排量甚至比预期的还要高，而新式炉则极大地减少了排放。
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。
Coal, with its emissions of sulphur, mercury and soot, will continue to kill far more people per kilowatt hour than nuclear does.
而排放硫、汞和煤灰的煤炭，其每千瓦时产能所造成的死亡人数仍将远远高于核能。
By cutting carbon dioxide emissions as well as controlling soot and methane, the global temperature change could be kept under 2 degrees Celsius (4 degrees Fahrenheit) in the short term.
就短期来看，在减少二氧化碳排放量的同时控制烟灰和甲烷的排放将使全球气温变化控制在2摄氏度(4华氏度)以内。
From 2012 diesel trains will have to reduce their emissions of nitrogen oxides by 39% and of soot by 88%.
2012年起，柴油机列车须将其氮氧化合物排放降低39%，烟尘排放降低88%。
Other changes include accounting for the past masking of underlying warming by the cooling induced by 20th century volcanoes, and for emissions of soot, which can add to the warming effect.
其他变化包括考虑了过去忽略的20世纪冷却火山的潜在变暖和能增加温室效应的烟尘排放。
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 researchers found that the effect of soot, which is incompletely burned fuel, would dwarf that of the carbon dioxide emissions from the launches.
研究者发现，燃料不完全燃烧产生的烟尘，会使发射过程中产生的二氧化碳的排放量减少。
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。
But the new cleaner fuel has come on stream just as regulators are clamping down on emissions of smog-causing nitrous oxides and soot-like particulates, which have been linked to lung cancer.
不过这种更干净的燃料一直没能投入生产，直到决策者们决定限制一氧化碳和灰尘微粒的排放量（它们是有害烟雾的主要来源，煤尘微粒则与肺癌有联系）。
Biomass pellet machine solid fuel low ash low sulfur, nitrogen oxides, sulfur dioxide, carbon dioxide and soot particle emissions is far less than coal-fired power generation.
生物质颗粒机固体燃料低灰低硫，氮氧化物、二氧化硫、二氧化碳以及烟尘颗粒的排放远低于燃煤发电。
Quasi homogeneous charge compression ignition (QHCCI) combustion may be with low emissions, especially for soot and NO_X, according as the most fuel which is pre-mixed is lean burnt.
准均质充量压缩点火燃烧(QHCCI)方式占总燃料多数的预混合燃料以稀薄燃烧完成，故可能有很低的排放，尤其是碳烟和氮氧化物。
Two is to reduce soot initial emissions and blackness.
二是降低烟尘初始排放量和烟气黑度。
Two is to reduce soot initial emissions and blackness.
二是降低烟尘初始排放量和烟气黑度。
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