[1] Cent South Univ, Sch Resources & Safety Engn, Changsha 410083, Hunan, Peoples R China
[2] Hunan Univ Sci & Technol, Sch Resource Environm & Safety Engn, Xiangtan 411104, Hunan, Peoples R China
[3] Univ South China, Sch Resources Environm & Safety Engn, Hengyang 421001, Peoples R China
[4] Zhejiang Univ, Ocean Coll, Zhoushan 316021, Peoples R China
[5] Changsha Min Res Inst Co, Changsha 410083, Hunan, Peoples R China