Ye, Tangjin
Xie, Qiang
Wang, Ying
An, Yang
Jin, Jiang
Funding for this research was provided by:
The national natural science fund project (41662020, 41462012)
The Tibet autonomous region of natural science fund project (2016ZR-15-7)
The Tibet autonomous region innovation of young university teachers support program (QC2015-23)
Article History
Received: 3 March 2017
Revised: 23 April 2018
Accepted: 14 May 2018
First Online: 5 June 2018