School of Ecology and Environment Zhengzhou University Zhengzhou 450001 China;
Chinese Research Academy of Environmental Sciences Beijing 100012 ChinaNational Joint Research Center for Tracking Key Problems in Air Pollution Control Beijing 100012 China;
Chinese Research Academy of Environmental Sciences Beijing 100012 China;
Chinese Research Academy of Environmental Sciences Beijing 100012 China;
Chinese Research Academy of Environmental Sciences Beijing 100012 China;
Xiamen Environment Protection Vehicle Emission Control Technology Center Xiamen 361023 China;
Xiamen Environment Protection Vehicle Emission Control Technology Center Xiamen 361023 China;
Particle mass; Particle number; Black carbon; Alcohol gasoline; Low temperature;