Guo, Junqi
Li, Chuyang
Zhang, Guangzhi
Sun, Yunchuan
Bie, Rongfang
Funding for this research was provided by:
National Natural Science Foundation of China (61401029, 61571049, 61472044, 61472403, 61601033)
Beijing Advanced Innovation Center for Future Education (BJAICFE2016IR-004)
BNU Graduate Students’ Platform for Innovation & Entrepreneurship Training Program (3122121F1)
Fundamental Research Funds for the Central Universities (2016NT14)
Article History
Received: 9 April 2019
Revised: 19 June 2019
Accepted: 2 August 2019
First Online: 3 September 2019