1Study on comprehensive evaluation and identification of coal mining blocks:taking 13-1 coal seam of Kouzidong Mine as an exampleLI Hong-ze, DING Hai, ZHAN Run, SUN Gui, HAN Feng, LIU Chuan-zeQuestion Discussion1-62Study on support technology and parameter optimization of goaf entry in strongly washed coal seamYU Wei-xing, LIU Shen, ZHOU Yu-jieQuestion Discussion7-10,203Study on applicability of stress on-line monitoring for mine dynamic disastersZHANG Bing-de, WEI Jin-lu, LIAN Hong-quan, HAN LiangQuestion Discussion11-154Feasibility study on replacing ventilation connecting roadway with large diameter boreholeGAO Zhan-feng, LIU Rui-jieQuestion Discussion16-205Study on the early warning index system of coal and gas outburst structure in coal faceYANG Xiao-dongQuestion Discussion21-246Determination of spontaneous combustion of"Three zones"in goaf of coal mining face in Ruilong MineZHAO Jian-bo, ZHAO Xue-jun, ZHAO Wen-bin, LUO Kai, REN Jun-wei, LIU De-baoQuestion Discussion25-287Failure mechanism and control of roadway with deep broken surrounding rockWANG Ming-huiQuestion Discussion29-338Research on the supporting technology in and around gob-side entry retaining roadway in Houcun Coal MineZHANG Li-jun, JING Yong-jiaQuestion Discussion34-40,459Study on mining pressure law of 311101 working face in Bayangaole Coal MineWANG HuiExperimental Study41-4510Design and research of"electronic seal"system in smart mineCHEN Dai-wei, LIU Yong-bin, WANG Lei, QIAN Zheng-fengExperimental Study46-49,5311Analysis of measurement and control technology for shield construction of small radius curved tunnelZHAO Jun, WANG Bo, LIU FengExperimental Study50-5312A smart mine architecture based on smart biological modelTIAN DongExperimental Study54-5813Study on electrical monitoring of hard roof overburden failure in Zhangshuanglou Coal MineLIU Xiao-han, XU Zhi-min, YUAN Hui-qingExperimental Study59-6314Research and application of real-time monitoring and fault diagnosis technology for coal mine electromechanical equipmentMA LiangCoal Safety64-6815Determination of sensitive index and critical value of coal seam outburst risk prediction in Fenghui Coal MineYANG Xian-weiCoal Safety69-72,7616Application of nitrogen injection fire prevention and extinguishing technology in goaf of fully-mechanized mining faceSHI Li-boCoal Safety73-7617Application of new gel inhibitor in fire prevention and extinguishing in goaf of coal faceCUI Xiao-feiCoal Safety77-8018Application of all-in-one driving and anchoring machine in large section cut of semi-coal and rock roadwayLI Shao-haiPractical Technology81-84,8919Study on the application of large-section open-off cut step-by-step cutting and one-time roadway forming technologyWAN Xiao-long, MU Yuan-sheng, ZHU Hai-peng, GUO Zhi-hui, LUO Shu-cai, CAI Wen-dongPractical Technology85-8920Study and application of comprehensive prevention and control of gob-side entry without coal pillarZHANG Sheng-junPractical Technology90-92 