Jia, Jiqiang http://orcid.org/0000-0003-4998-9449
Gao, Jianhua http://orcid.org/0000-0001-9485-4258
Zhao, Gaoyang http://orcid.org/0000-0002-4520-6702
Funding for this research was provided by:
the National Natural Science Foundation of China (No.51672212)
the priming scientific research foundation for the junior teachers in Xi’an University of Technology (No.602-256081709)
Article History
Received: 5 May 2018
Accepted: 12 September 2018
First Online: 20 September 2018