Funding for this research was provided by:
National Natural Science Foundation of China (61702014, 61702491)
Beijing Municipal Natural Science Foundation (4192020)
Top Young Innovative Talents of North China University of Technology (Top Young Innovative Talents of North China University of Technology)
Article History
Received: 17 December 2019
Accepted: 7 April 2020
First Online: 11 May 2020
Competing interests
: The authors declare that there is no conflict of interest regarding the publication of this paper.