Zhang, Jia-Lei
Xie, Shu-Cui
Zhang, Jian-Zhong
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 (GK20142004)
Article History
Received: 16 March 2017
Accepted: 1 July 2017
First Online: 12 July 2017