Funding for this research was provided by:
National Natural Science Foundation of China (41574073)
Major State Research Development Program of China (2016YFC0601101)
R&D of Key Instruments and Technologies for Deep Resources Prospecting (the National R&D Projects for Key Scientific Instruments) (ZDYZ2012-1-04)
Article History
Received: 8 February 2018
Revised: 17 July 2018
Accepted: 31 July 2018
First Online: 13 August 2018