Retarded injection timing control system 推迟喷油时刻控制系统
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Retarded injection timing with speed 转速控制的推迟喷油时刻
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Retarded injection timing with load 负荷控制的推迟喷油时刻
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A parametric study of the effect of variation in injection timing is then carried out . both the simulation results and experimental data show that deferred injection timing leads to decreases in combustion pressure and nox concentration 模拟结果和实验结果都表明，推迟喷油，可以减少预混燃烧所占的比例，降低最大燃烧压力，从而减少直喷式柴油机的no _ x排放。
