缸内直喷汽油机排放PM2.5的理化特征及影响因素 - Yanhong Qin; Min* Hu; Mengren Li; Yinhui Wang; Peng, JianFei; Rong Zheng; Jing Zheng; Yujue Wang; Yusheng Wu; Yu Wang; Gu, Fangting; Zhuofei Du; et al. (中国环境科学, 2016)