TY - JOUR A1 - Xie, Y. A1 - Wang, G. A1 - Wang, X. A1 - Chen, J. A1 - Chen, Y. A1 - Tang, G. A1 - Wang, L. A1 - Ge, S. A1 - Xue, G. A1 - Wang, Y. A1 - Gao, J. T1 - Nitrate-dominated PM2.5 and elevation of particle pH observed in urban Beijing during the winter of 2017 JO - Atmos. Chem. Phys. J1 - ACP VL - 20 IS - 8 SP - 5019 EP - 5033 Y1 - 2020/04/28 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/20/5019/2020/ L1 - https://acp.copernicus.org/articles/20/5019/2020/acp-20-5019-2020.pdf DO - 10.5194/acp-20-5019-2020 ER -