Funding for this research was provided by:
National Natural Science Foundation of China (41904076, 41830107, 41404111)
Natural Science Foundation of Hunan Province (2018JJ2258)
Natural Science Foundation of Jiangxi Province (20192BAB212009)
Open Fund from Jiangxi Engineering Laboratory on Radioactive Geoscience and Big Data Technology (JELRGBDT202003)
Article History
Received: 15 January 2020
Revised: 2 September 2020
Accepted: 17 September 2020
First Online: 6 October 2020