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。