Zhang, Mengmeng
Zhang, Jing
Liu, Zhi
An, Changzhi
Funding for this research was provided by:
National Natural Science Foundation of China (61370111)
Beijing Municipal Natural Science Foundation (4172020)
Great Wall Scholar Project of Beijing Municipal Education Commission (CIT&TCD20180304)
Beijing Youth Talent Project (CIT&TCD 201504001)
Beijing Municipal Education Commission General Program (KM201610009003)
Article History
Received: 11 March 2018
Revised: 4 May 2018
Accepted: 15 June 2018
First Online: 10 July 2018