Funding for this research was provided by:
This work was supported by Liaoning Key Laboratory for Ecologically Comprehensive Utilization of Boron Resources and Materials, Northeastern University, Liaoning, Shenyang, China
Text and Data Mining valid from 2019-01-31
Received: 8 April 2018
Accepted: 3 January 2019
First Online: 31 January 2019
Compliance with ethical standards
: The authors declare that they have no conflicts of interest.