[Liu, Ronghua; Chen, Yong; Wang, Pengfei] Hunan Univ Sci & Technol, Sch Resource & Environm & Safety Engn, Xiangtan, Hunan, Peoples R China.
[Liu, Ronghua; Chen, Yong; Wang, Pengfei] Work Safety Key Lab Prevent & Control Gas & Roof D, Xiangtan, Hunan, Peoples R China.
[Wu, Jiaokun; Chen, Yong] Natl Key Lab Gas Disaster Detecting Preventing & E, Chongqing, Peoples R China.
[Wu, Jiaokun; Chen, Yong] China Coal Technol Engn Grp Chongqing Res Inst, Chongqing, Peoples R China.
[Wang, Gang; Chen, Yong] Shandong Univ Sci & Technol, State Key Lab Strata Intelligent Control & Green M, Qingdao, Peoples R China.