TY - T1 - The Synergistic Role of Sulfuric Acid, Bases, and Oxidized Organics Governing New-Particle Formation in Beijing SN - / UR - http://hdl.handle.net/10138/332468 T3 - A1 - Yan, Chao; Yin, Rujing; Lu, Yiqun; Dada, Lubna; Yang, Dongsen; Fu, Yueyun; Kontkanen, Jenni; Deng, Chenjuan; Garmash, Olga; Ruan, Jiaxin; Baalbaki, Rima; Schervish, Meredith; Cai, Runlong; Bloss, Matthew; Chan, Tommy; Chen, Tianzeng; Chen, Qi; Chen, Xuemeng; Chen, Yan; Chu, Biwu; Dällenbach, Kaspar; Foreback, Benjamin; He, Xucheng; Heikkinen, Liine; Jokinen, Tuija; Junninen, Heikki; Kangasluoma, Juha; Kokkonen, Tom; Kurppa, Mona; Lehtipalo, Katrianne; Li, Haiyan; Li, Hui; Li, Xiaoxiao; Liu, Yiliang; Ma, Qingxin; Paasonen, Pauli; Rantala, Pekka; Pileci, Rosaria E.; Rusanen, Anton; Sarnela, Nina; Simonen, Pauli; Wang, Shixian; Wang, Weigang; Wang, Yonghong; Xue, Mo; Yang, Gan; Yao, Lei; Zhou, Ying; Kujansuu, Joni; Petäjä, Tuukka; Nie, Wei; Ma, Yan; Ge, Maofa; He, Hong; Donahue, Neil M.; Worsnop, Douglas R.; Kerminen, Veli-Matti; Wang, Lin; Liu, Yongchun; Zheng, Jun; Kulmala, Markku; Jiang, Jingkun; Bianchi, Federico A2 - PB - Y1 - 2021 LA - eng AB - Intense and frequent new particle formation (NPF) events have been observed in polluted urban environments, yet the dominant mechanisms are still under debate. To understand the key species and governing processes of NPF in polluted urban environments, we conducted comprehensive measurements in downtown Beijing during January-March, 2018. We performed detailed analyses on sulfuric acid cluster composition and budget, as well as the chemical and physical properties of oxidized organic molecules (... VO - IS - SP - OP - KW - atmospheric particles; new particle formation; oxygenated organic molecules; sulfuric acid; AEROSOL-SIZE DISTRIBUTIONS; VOLATILITY BASIS-SET; CHEMICAL-IONIZATION; NUCLEATION; SPECTROMETER; CONDENSATION; GROWTH; DIMETHYLAMINE; OXIDATION; PRODUCTS; 114 Physical sciences N1 - PP - ER -