TY - JOUR A1 - Liang, L. A1 - Engling, G. A1 - Liu, C. A1 - Xu, W. A1 - Liu, X. A1 - Cheng, Y. A1 - Du, Z. A1 - Zhang, G. A1 - Sun, J. A1 - Zhang, X. T1 - Chemical characteristics of PM2.5: Impact of biomass burning at an agricultural site of the North China Plain during a season of transition JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 2020 SP - 1 EP - 22 Y1 - 2020/02/04 PB - Copernicus Publications SN - 1680-7375 UR - https://acp.copernicus.org/preprints/acp-2020-19/ L1 - https://acp.copernicus.org/preprints/acp-2020-19/acp-2020-19.pdf DO - 10.5194/acp-2020-19 ER -