21. To satisfy the more and more strict emission criterion, it is necessary to take measures to reduce the exhaustemissions of non-road diesel engine.
为了满足日益严格的排放标准,有必要采取有效的措施来降低非道路用柴油机的废气排放。
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22. The measurements of exhaust emissions and smoke show that smokeless combustion can be basically realized by using pure methanol in the C. I. engine.
经过对废气和烟度的测量表明:发动机燃用纯甲醇基本上可以实现无烟燃烧。
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23. The effects of different intake swirl ratio on the performances and exhaust emissions of diesel engine were investigated based on the experiment data.
试验结果表明,发动机在高、低速区的最佳进气涡流强度是不同的。
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24. The fuel an conserve energy, reduce the concentration of co, HC of exhaustemissions and the noise emission, so the environmental condition is improved.
验证了该燃料不仅节约能源,而且减少了废气排放中的CO、HC污染物,并降低了噪声。
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25. This paper analyses the forming and effects of motorcycle. exhaust emissions, and points out the purifying approach of both in-engine and out-engine parts.
本文对摩托车排气污染物的形成、影响因素进行了分析,并指出了机内与机外净化措施。
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26. Therefore, organic combination of the internal Purification and exhaustemissions after-treatment become the future solution methods of diesel exhaustemissions.
因此将机内净化和排气后处理有机的结合起来成为未来解决柴油车排放问题的主要技术手段。
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27. The constant speed and full-load characteristics tests showed that the system had great potential to improve the engine economic performance and exhaust emissions.
28. Road, also not crowded, not the automobile exhaustemissions, all with maglev instead of fuel combustion, thus "greenhouse effect" that a big problem also disappear.
29. Fuels such as ethanol, bio-diesel to replace or partially substitute for conventional gasoline or diesel, can significantly reduce harmful automobile exhaustemissions.
如用燃料乙醇、生物柴油来替代或部分替代常规汽油或柴油,可大幅度减少汽车有害尾气排放量。
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30. Fuels such as ethanol, bio-diesel to replace or partially substitute for conventional gasoline or diesel, can significantly reduce harmful automobile exhaustemissions.