... leanyear歉收年 lean-burn稀燃 lean-burnemissioncontrolledengine稀混合气式净化排气发动机 ...
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For the first time, a overall steady NOx transforming rate isfound in the temperature of lean burn exhaust gas under the condition of combinedPd-Rh zeolite catalyst , the efficiency of reducing NOX is about 45%.
首次发现钯、铑/堇青石整体式分子筛催化剂组合试样在稀燃温度范围内,NOX的转化效率总体呈现持续稳定趋势,转化率为45%左右。
参考来源 - 选择还原催化器降低准均质稀薄燃烧汽油机氮氧化物实验研究Therefore the ignition system was applicable to not only modern engines with high-speed,lean combustion and high compression rate and but also traditional spark-ignition engines.
该点火系在进行适当匹配后不仅适用于现代高速、稀燃、高压缩比发动机,而且也适用于传统点燃式发动机。
参考来源 - 稀燃快燃点火电路研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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.
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