Wu, Yongbao
Wang, Changda
Li, Wenxue
Funding for this research was provided by:
Natural Science Foundation of Shandong Province (ZR2018MA005)
Key Project of Science and Technology of Weihai (2014DXGJMS08)
Innovation Technology Funding Project in Harbin Institute of Technology (HIT.NSRIF.201703)
Natural Science Foundation of Shandong Province (ZR2018MA020, ZR2017MA008)
Article History
Received: 5 February 2018
Accepted: 29 October 2018
First Online: 1 November 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest concerning the publication of this manuscript.