1Experimental research on coal adsorption of CH4 and CO2 mixed gasWANG Man, JIANG Yongdong, WANG Yingwei, LI Xiyuan, ZHOU FengTest?Research1-6,122Study on the influence of coking coal pore structure on methane desorption in Xishan CoalfieldXU Huigang, QIN XinglinTest?Research7-123Analysis of micro morphology characteristics of coal dust explosion solid residues based on SEM and IPPZHU Chao, WANG HaoTest?Research13-204Influencing factors of conductivity of complex fractures in coalbed methane reservoirZHANG Hongjun, WANG Yuan, YANG HanTest?Research21-265Experimental study on effect of freezing time of liquid CO2 on pore structure of coalZHANG HuifengTest?Research27-316Preparation and performance of grafted copolymerized polymer dust suppressant based on nanocelluloseBIAN Susu, HU Xiangming, HE Zhenglong, LI Miaomiao, ZHAO YanyunTest?Research32-397Numerical simulation research on low-temperature oxidation characteristics of coal based on temperature-programmed experimentLIU DongTest?Research40-458Study on changes of coal microstructure under the condition of igneous rock intrusionTANG HuiTest?Research46-499Research on water body detection and water inrush risk of isolated full-mechanized working faceNAN Hua, LUO Ming, WANG Shuai, Syabilla Rachmadina CardoshTest?Research50-5810Research on stress distribution and deformation law of surrounding rock of deep and large mining height gob-side entry retainingXU Zhengzheng, YANG Yugui, CHEN Yong, HOU Shanshan, CHEN XiaohuTest?Research59-6611Failure mechanism and fracture development law of heterogeneous brittle rockGUO YanTest?Research67-72,8012Technology and application of sublevel sand fracturing and permeability enhancement of coal seam roof in underground coal mineDONG Runping, ZHANG Jian, YAN Zhiming, LIU Le, WANG ChenyangApplication?Innovation73-8013Prevention and control method of coal spontaneous combustion in inclined mining of fully mechanized caving face in deep and remote mining areaWANG Xin, GUO Ying, SHI Tong, WANG Xu, WEI Gaoming, ZHANG ChaoApplication?Innovation81-8614Low speed grinding and hang sidetracking branch technology for near horizontal directional hole in coal mineFANG JunApplication?Innovation87-9215Technology and application of fissures grouting in roof sandstone of heading roadwayZHAO Baofeng, XU HaidongApplication?Innovation93-9816Research on multi-system underground integration and emergency linkage technology for smart mine safety prevention and controlCHEN JieDesign?Development99-10517On-site electromagnetic interference analysis and anti-interference optimization of mine gas sensorZHANG ZiliangDesign?Development106-11018Information management system of coal mine gas disaster prevention and control laboratory based on B/S architectureLI QianhuiDesign?Development111-11519Structural design and performance research of explosion venting door in enclosed fire zoneLI Ang, PENG Rui, SI Junhong, ZHOU XihuaDesign?Development116-12120Real-time positioning correction algorithm for precise personnel positioning system in underground mine based on topologies of combined mine network and positioning equipment dataZHOU Xiang, HAN Yannan, ZHOU JiaxinDesign?Development122-128 