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。
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。
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。
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