1Status and Development Trend of Detection Technology on Abnormal Gas AreaLAN Ze-quan1-72Study on the Air Leakage of Law and Control Technology of Main Air Door in MineYANG Rui-bin, WANG Hai-bin16-203Multiple Linear Regression Analysis of Controllable Influence Factors on Falling Height of Roof in Face Ar eaSHI Hao-yu, TIAN Duo21-244The Current Status and Evaluation of Limestone Groundwater in Panbei Coal Mine 580 Meters UndergroundOU YANG Zhuo-zhi, GAO Liang-min, QIU Hao-ran, CHEN Xiao-qing, LUO Jian-wei25-285Water source discrimination of inrush water in mine based on water chemistry characteristics analysisZHU Qing-wei, LI Xiao-ming29-32,386The water-coupling blats technolgo y used in low porosti y and hard coal seamZHANG Mao-zeng33-387Application of TEM Forward and Inveris on Tech nology in Advanced Detecting at Heading FaceZHAN Wen-feng, Wang Qiang39-448Study on the influence factors of coal consistent coefficientLV Ping-yang, FU Shuai, WEI Yi-hang, MU Lin-tong45-489Analysis and optimization of the status quo of the ventilation system on the Chengjiao Coal MineSONG Xiao-yan, XIE Zhong-peng49-5310Support of a Main Inclined Shaft with Weakly Cemented Soft RockLI Jun, LI Xue-bin, WANG Lei54-5911The Experimental Studyof Huangjindong Gold Mine Tailing Filling MaterialsZHU Zhuo-hui, FENG Tao, YAN Hong-di, LI Jia-sheng, YU Zhi60-64,6812Study on IoT and Its Application on Coal Mine Equipment SafetyMA Na, ZHANG Quan-zhu65-6813Analysis of how to impr ove the actual combat capability of mine rescue teamZHAO Yong-xin69-7214Rees arch on dangerous chemical materials safety superiv sing actuality and strategyWEI Guang-qing, ZHANG Jing-gang, SONG guo-qiang, SUO Cheng-yu73-7715Research on safety production standardization system construction of micro enterprisesWANG Wei, ZHANG Jing-gang, HUANG Yan-tao, SUO Cheng-yu, REN Qiao-ni78-8116Research on Nonlinear Model of Frozen Soil CreepCAO Wei, XIANG Meng-jia, ZHAO Shao-fei82-86,10017Construction control and influence analysis of large-span prestres sed concrete bridgeXU Mo87-8918Applied study on the construction of risk model of helicopters’ takeoffs and landings on offshore operating platformSUN Jia, WU Qiao, GAI Wen-mei, SUI Jia90-10019Study on anovel electromechanical integratede xpe riment platform based on STC12C5ALI Xue-zhe, WANG Hai-peng, QIAO Zhan-jun101-10420Spatial Statistics Analysis of RJGDP foBeijing Tianjin and Hebei Based on RTAN Li-yun, LI Qiang-li, TAN Long105-110 