该催化剂尤其适合稀燃汽油机的需要。
The catalyst is especially applicable to lean burn gasoline engine.
本发明涉及一种稀燃式内燃机的后处理系统。
The present invention is an aftertreatment system for lean burn internal combustion engines.
分层燃烧可使稀燃极限延伸到很小的当量比。
Stratified combustion can extend the lean combustion limit to very lean region.
另外，还有混合气发火界限高，适于稀燃的性能。
In addition, there are limits of the high combustion gas mixture is suitable for lean burn performance.
本电子控制系统主要应用于丰田8A16气门EFI发动机进行稀燃匹配实验。
The system is mainly used in lean burn experiment on Toyota 8A16valve EFI gasoline engine.
低温等离子体技术与选择性催化还原技术相结合是降低稀燃发动机排放的有效方法。
Combination of low temperature plasma technology with the selective catalytic reduction technology is the effective method to reduce emissions for lean combustion engine.
由于天然气的燃烧速率较慢，易产生燃烧循环变动现象，采用稀燃技术时会加剧燃烧循环变动。
Because the slow rate of combustion of natural gas, it's easy to produce the phenomenon of cyclic variations, when taking lean burn technology, the cyclic variations will be increased.
通过比较几种典型燃料的效率及当量燃烧发动机，进行了稀燃单一燃料cng发动机的优势分析。
By comparing the efficiency of several engine fuels with the stoichiometric-burn engine, the advantages of the lean-burn CNG engine were analyzed.
介绍了一种汽油机的快速稀燃系统，并对该系统的喷油时刻，燃油调整特性，外特性及排气性能等进行了试验分析。
A lean mixture combustion system is presented in this paper. And the test effect of fuel injection time, fuel adjustment, miximum load speed and emission characteristics are analysed.
结果表明：稀燃发动机转速对其有害气体排放和燃油经济性的影响与稀燃吸附还原催化转化器稀燃运行时间与浓燃还原运行时间比值大小和绝对时间大小有关。
The results show that the effects of speed on the exhaust gas emission and fuel economy are related with the ratio value and the absolute time of lean burn and rich burn.
结果表明：稀燃发动机转速对其有害气体排放和燃油经济性的影响与稀燃吸附还原催化转化器稀燃运行时间与浓燃还原运行时间比值大小和绝对时间大小有关。
The results show that the effects of speed on the exhaust gas emission and fuel economy are related with the ratio value and the absolute time of lean burn and rich burn.
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