Funding for this research was provided by:
National Natural Science Foundation of China (11847083, 61602532)
the Young Science and Technology Talent Growth Fund Project of Education Department of Guizhou Province of China (Qian Jiao He KY Zi[2018]426)
Major Special Fund Project of Research and Innovation for Qiannan Normal University for Nationalities of China (QNSY2018BS015)
Industrial Technology Foundation of Qiannan State of China (Qiannan Ke He Gong Zi (2017) 9 Hao)
Scientific Research Foundation for High-level Talents of Qiannan Normal University for Nationalities (qnsyrc201716)
Article History
Received: 10 December 2018
Accepted: 20 May 2019
First Online: 19 June 2019