The influence of oxygen concentration and temperature on the conversion efficiency of catalytic converter was analyzed by examing the transient emission in NEDC(new European driving cycle).

通过研究NEDC循环工况下整车的瞬态排放情况，分析了减速断油及怠速停机过程中，氧浓度及温度的变化对催化器转化效率的影响。

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In the forth chapter, the pressure lose and conversion efficiency of catalytic converters with various configurations have been measured on a steady flow rig and analyzed in theory.

第四章详述了在稳流试验台上对不同结构催化器压力损失和转化效率的测量，并进行了理论分析。

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We find that the surface area of carbon electrodes has markedly influences on the charge transfer resistance, the efficiency of catalytic process of I3 - ions, and the energy conversion efficiency.

实验结果发现，碳极的表面积会强烈影响介面电荷转移阻抗、I3 -离子还原效率与光电转换效率。

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