Lv, Junnan
Yu, Li
Du, Wei
Li, Qun
Funding for this research was provided by:
the Fundamental Research Funds for the Central Universities in China
the National Natural Science Foundation of China (11472205, 11772245)
Natural Science Basic Research Plan in Shaanxi Province of China (2014K10-16)
Article History
Received: 11 December 2017
Accepted: 28 April 2018
First Online: 14 May 2018