Niu, Xu-Feng
Zhang, Jian-Zhong
Xie, Shu-Cui
Chen, Bu-Qing
Funding for this research was provided by:
National Natural Science Foundation of China (61402275 61402015 61273311)
Natural Science Foundation of Shaanxi Province (2015JM6263 2016JM6069)
Fundamental Research Funds for the Central Universities (GK201402004)
Article History
Received: 7 April 2018
Accepted: 17 July 2018
First Online: 27 July 2018