Ouyang, Fengchen
Ge, Jianhua
Gong, Fengkui
Hou, Jun
Funding for this research was provided by:
the National Hightech R&D Program of China (2014AA01A704)
the National Basic Research Program of China (2012CB316100)
the National Natural Science Foundation of China (61372067)
the Science and Technolo- gy Research and Development Program of Shaanxi Province (2014KJXX-49)
the 111 Project (B08038)
the National Natural Science Foundation of China (61501058)