Wei, Zheng
Wang, Huiqiang
Ma, Zhanfang
Han, Hongliang
Funding for this research was provided by:
National Natural Science Foundation of China (21673143, 21273153)
Natural Science Foundation of Beijing Municipality (2172016, 2132008)
High-level Teachers in Beijing Municipal Universities in the Period of 13th Five-year Plan (IDHT20180517)
Capacity Building for Sci-Tech Innovation - Fundamental Scientific Research Funds (025185305000/195)
Article History
Received: 26 September 2018
Accepted: 9 November 2018
First Online: 22 November 2018
Competing Interests
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.