Li, Qingchao
Cheng, Yuanfang
Li, Qiang
Ansari, Ubedullah
Liu, Yuwen
Yan, Chuanliang
Lei, Chuang
Funding for this research was provided by:
the Changjiang Scholars and Innovative Research Team in University (IRT_14R58)
the National Natural Science Foundation Project of China (51704311)
the Fundamental Research Funds for the Central Universities (16CX06033A)
National Key Research and Development Program (2016YFC0304005)
the National Basic Research Program of China (2015CB251201)
the Qingdao Science and Technology Project (15-9-1-55-jch)
Article History
Received: 11 December 2017
Accepted: 14 June 2018
First Online: 25 June 2018