1. College of Resources and Environment Engineering, Guizhou University, Xibei Community Service Center, Huaxi District, Guiyang 550025, China (Corresponding author), e-mail: shyzuo@163.com, https://orcid.org/0000-0001-5775-3474
2. College of Resources and Environment Engineering, Guizhou University, Xibei Community Service Center, Huaxi District, Guiyang 550025, China, https://orcid.org/0000-0002-7723-0125 (D.Z.)