Funding for this research was provided by:
National Natural Science Foundation of China and Guangdong Province (U1601214)
Science and Technology Planning Project of Guangdong Province (2018B050502010, 018A050506078, 2017B090901027)
Natural Science Foundation of Guangdong Province (2017A030310166)
important Sci.-Tech. Plan of Guangxi and Guilin innovation-driven (AA17204022, 20160204)
Project of Blue Fire Plan (Nos CXZJHZ201708, CXZJHZ201709)
Article History
Received: 13 January 2020
Accepted: 12 May 2020
First Online: 18 June 2020