Xu, Zhi-Qiang
Meng, Zhe-Ru
Xue, Shun-Hui
Zhang, De-Quan
Du, Feng-Shan
Funding for this research was provided by:
National Natural Science Foundation of China (51374184)
Joint fund project of the national natural science foundation of China (U1604251)
Key projects of natural science foundation of Hebei province (E2017203043)
Article History
Received: 14 September 2016
Accepted: 13 November 2018
First Online: 5 December 2018