Funding for this research was provided by:
Key Technology Research and Development Program of Shandong (No.2018YFC0807802)
Innovative Research Group Project of the National Natural Science Foundation of China (No.41874081)
the Open Research Fund Program of Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring (Central South University), Ministry of Education (No.2020YSJS06)
the Key Laboratory of Geophysical Electromagnetic Probing Technologies of Ministry of Natural Resources (No.KLGEPT201905)
the Natural Science Foundation of Hunan Province (No.2018JJ2258)
Key Technology Research and Development Program of Shandong (No.2018YFE0208300)
Innovative Research Group Project of the National Natural Science Foundation of China (No.42074084)
Article History
Received: 6 August 2020
Accepted: 11 March 2021
First Online: 23 March 2021
Declarations
:
: Not applicable.
: Not applicable.
: The authors declare no conflict of interest.