Formation of NH_4 HSO_4 from hydrated NH_3 and SO_3:Implication to nucleation of PM_(2.5) fine particles

With the support by the National Natural Science Foundation of China through the Collaborative Innovation Center of Chemistry for Energy Materials,and Qian-ren fund from the University of Science and Technology of China,the research team led by Prof.Zeng Xiaocheng(曾晓成)at the University of Science and Technology of China and the University of Nebraska-Lincoln,cooperated with the research team