Sun, Xiurong
Dong, Shimin
Li, Weicheng
Zhang, Weiwei
Funding for this research was provided by:
National Natural Science Foundation of China (51174175)
Hebei Province Natural Science Foundation of China (E201703101)
Article History
Received: 6 November 2017
Revised: 18 December 2017
Accepted: 22 December 2017
First Online: 5 February 2018