State Key Laboratory of Coal Resources and Safe Mining China University of Mining and Technology Xuzhou 221116 China;
State Key Laboratory of Coal Resources and Safe Mining China University of Mining and Technology Xuzhou 221116 China;
Jiangsu Key Laboratory of Fire Safety in Urban Underground Space China University of Mining and Technology Xuzhou 221116 China;
State Key Laboratory of Coal Resources and Safe Mining China University of Mining and Technology Xuzhou 221116 China;
Office of Laboratory and Equipment Management China University of Mining and Technology Xuzhou 221116 China;