试验结果表明：随掺混比的增大，碳烟排放在满负荷降低较多；
The experimental results show that with the rise of blending ratio, smoke is greatly reduced under high load;
所获得的结论有助于解决运行在高原地区的柴油机的碳烟排放问题。
The obtained conclusions are useful to solve the exhaust emission problems of the engine running at the high altitude regions.
气门间隙增大，碳烟排放量增大，但对噪声水平的影响则不是十分显著；
The influence of fuel injection pressure on smoke emission value is comparatively complicated, while its influence on noise level is comparatively small.
使用样条函数可以准确拟合计算柴油添加剂降低碳烟排放效果的实验数据。
The spline function can be used in calculating accurately the experimental data of diesel fuel additives for lowering the smoke emission from diesel engines.
结果表明，相同条件下：柴油机存在一个最佳喷油提前角使碳烟排放最少；
The result show that, under the same condition:the diesel engine has a best injection timing which makes the emission of soot least.
试验表明改进后的加热器低温点火能力明显提高，启动过程的碳烟排放水平显著降低。
The experiments found that the modification of the ignition place improved the cool-start ability and the added small holes reduced the soot emission during the starting process.
说明L 30喷雾所产生的小颗粒液滴多于柴油，雾化质量提高，碳烟排放得以大幅度降低。
This indicates that smaller drops of L30 are more than those of diesel, spray quality is good, and engine smoke reduces accordingly.
对TR燃烧系统应用增压和增压中冷进行预测，采用增压可使碳烟排放降低6%，但NO升高75%。
The application of supercharge and intercooling in the TR is forecasted. The results show that supercharge reduces smoke by 6% but increases NO by 75%.
而继续加大DMC添加比例(如20%)，虽然能进一步降低碳烟排放，但发动机功率将有明显降低。
The smoke could be more reduced with increasing DMC to 20% in diesel fuel, but the engine power output would decreased remarkably.
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。
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.
除了无碳烟排放的重要特点以外，和柴油相比二甲醚还具有较好的燃烧性能、较低的自燃温度和较好的雾化特性。
In addition to the significant merit of no soot emission, DME would be of better ignition quality, lower autoignition temperature and better atomization compared to diesel fuel.
为了研究电动增压补气系统对于柴油机加速补气减少碳烟排放这一方法的可行性，将研制的电动增压补气系统应用到试验台架中去。
To illustrate this method feasibility to reduction the smoke emission, the air injection system developed was applied to the naturally aspirated engine experimental station.
采用6120Q直喷式柴油机对十六烷值改进剂、表面活性剂和有机金属化合物作为柴油添加剂降低柴油机碳烟排放的规律进行了试验研究。
Effects of cetane number improver, surfactants and organometallic compounds as diesel fuel additive on soot emission reduction were investigated with a 6120q di diesel engine.
在加州，这样的法律已削减该州一半柴油碳烟的排放。
Such laws in California have cut diesel-soot emissions in that state by half.
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。
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.
对于柴油机微粒排放的控制，目前普遍采用的是柴油机微粒过滤器(DPF)，通过这种方式能除掉绝大部分的碳烟微粒。
Diesel particulate Filter (DPF) is currently an effective and widely used approach to trap the particulate materials of diesel exhaust emissions.
研究碳烟的生成和氧化机理，已成为控制柴油机排放的重点和热点之一。
Researching the soot formation and oxidation has become one of important and hot question about the emission controlling of the diesel engines.
柴油车尾气排放的碳烟颗粒已引起严重的环境污染问题，柴油车排气标准也在不断提高。
Soot particles in exhaust gas from diesel-fuelled vehicles have caused a serious environmental pollution, thus promoting the establishment of more emission standards.
柴油车尾气排放的碳烟颗粒已引起严重的环境污染问题，柴油车排气标准也在不断提高。
Soot particles in exhaust gas from diesel-fuelled vehicles have caused a serious environmental pollution, thus promoting the establishment of more emission standards.
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