Compared with stoichiometric mixture operation, fuel economy and emissions are remarkably influenced by injection timing when lean mixture is applied.
在发动机燃用稀薄混合气时，喷油定时对排放和经济性的影响较为明显。
The stronger air motions are helpful in organizing mixture strength distribution and then realizing lean mixture combustion in two-valve gasoline engines.
强化空气运动的结果有利于组织燃料在缸内的浓度分布，从而为在二气门汽油机上实现稀薄燃烧打下基础；
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.
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。
Lean burn mixture combustion of gasoline engine is an effective approach for reducing emissions and fuel consumption.
汽油机燃烧稀混合气是降低有害尾气排放、燃油消耗率的有效途径。
Small scale tests and verification tests of magnesia reduction concentrating process for treating rich lean ore mixture from Longshou Mine in Jinchuan were carried out.
对金川镍矿龙首矿混合矿石进行了降镁工艺小型试验和验证试验。
The HC emissions are increased remarkably when the mixture concentration becomes too lean or too rich.
当首循环混合气浓度过浓或者是过稀时，瞬态hc排放迅速增加。
This strategy furnishes an extremely lean overall mixture for idling and part-throttle operation, with commensurate reductions in fuel consumption.
这个战略装备虚度光阴和部分节流孔操作的一个极端精瘦的整体混合物，与对燃料消费的比照减少。
The results show that the lean quasi-homogeneous mixtures can be formed by early-injection, and the shape of combustion chamber has an obvious effect on density and temperature fields of mixture.
模拟计算表明，利用早喷可以形成稀薄准均质混合气；燃烧室形状影响混合气浓度场和温度场。
Lean burn; Twice electronic fuel injection; Quasi-homogenous mixture; 2-valve SI engine;
稀薄燃烧；两次喷油；准均质混合气；二气门汽油机；
The results show that a rather strong tumble motion exists in this GDI engine, which is beneficial to the formation of stratified mixture and lean combustion.
结果表明，该直喷汽油机具有较强的滚流性能，有利于分层混合气的形成和稀薄燃烧。
In addition, there are limits of the high combustion gas mixture is suitable for lean burn performance.
另外，还有混合气发火界限高，适于稀燃的性能。
When the CH4-air mixture approaches the lean fuel state, the flame speed accordingly decreases, the flame cone rising and retreating downstream to the area with lower flow speed.
从化学计量向贫燃料状态靠近时，预混火焰强度减弱，火焰传播速度减小，锥形火焰面逐渐增高，退到流速较低的下游区域；
Key blanks production means a complex mixture of several different technologies and articulated production where logistic flows are mastered in compliance with "lean manufacturing" principles.
钥匙生产代表着一连串复杂的生产技术，胜嘉公司有其一套运筹流程来控制整个生产线。
Key blanks production means a complex mixture of several different technologies and articulated production where logistic flows are mastered in compliance with "lean manufacturing" principles.
钥匙生产代表着一连串复杂的生产技术，胜嘉公司有其一套运筹流程来控制整个生产线。
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