Liu, Ge
Zhang, Jian-Zhong
Xie, Shu-Cui
Funding for this research was provided by:
National Natural Science Foundation of China (CN) (61402275;61402015;61273311)
Natural Science Foundation of Shaanxi Province (2015JM6263;2016JM6069)
Fundamental Research Funds for the Central Universities (GK201402004)