[1] China Univ Min & Technol, Key Lab Coal Methane & Fire Control, Minist Educ, Xuzhou 221116, Jiangsu, Peoples R China
[2] State Key Lab Coal Resources & Safe Min, Xuzhou 221116, Jiangsu, Peoples R China
[3] China Univ Min & Technol, Sch Safety Engn, Xuzhou 221116, Jiangsu, Peoples R China
[4] Kailuan Grp Co Ltd, Tangshan 063000, Hebei, Peoples R China