Liu, Xiaoxue
Li, Yanping
Qu, Juan
Lu, Laifeng
Funding for this research was provided by:
Shaanxi Province Natural Science Basic Research Program Funded Project (2016JM6069)
National Natural Science Foundation of China under Grant (61402275, 61402015, 61373150, 61572246, 61272436)
the Fundamental Research Funds for the Central Universities under Grant (GK201402004)
Article History
First Online: 1 February 2018