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阐述了汽车排放NO_x、HC、CO等有害物的影响因素:混合气浓度、配气相位、气缸压力、工作温度、点火时间、怠速工况、汽油性能等。提出了减少汽车有害物排放的使用、维修措施。对解决怠速工况下的排放超标也提供了办法。
The influencing factors of NO_x, HC, CO and other harmful substances emitted from vehicles are described: the concentration of the mixture, the phase of the gas distribution, the pressure of the cylinder, the working temperature, the ignition time, the idling condition and the gasoline performance. Proposed to reduce the use of vehicle emissions of harmful substances, maintenance measures. It also provides a solution to the excessive emissions under idling conditions.