1Study on strength criterion of gas hydrate-coal mixture based on Drucker - Prager criterionGAO Xia, MENG Wei, ZHANG BaoyongTest·Research1-62Research on measurement of specific energy of crushing based on particle compression experimenLI Zhuang, ZHANG Hao, DENG CunbaoTest·Research7-113Experimental study on effect of pore structure of coal on gas adsorption and dispersion propertiesSONG Tao, LI Botao, WEI Zongyong, LIU Li, WANG PeiTest·Research12-184Study on difference of pore structure in macroscopic coal rock composition based on mercury intrusion methodJIA Xuemei, LIN Yabing, CHEN Long, ZHANG HuiTest·Research19-255Study on spontaneous combustion difference between weathered coal and oxidized coal based on gas products and microstructure characteristicsZHAO Jingyu, LU Shiping, SONG Jiajia, DENG Jun, LIU ZhuoranTest·Research26-366Experimental study on influence of water immersion and air-drying process on coal spontaneous combustion characteristicsZHAO Jingwen, WANG Wencai, FU Peng, WANG Jieliang, GAO Feng, XUE PeifengTest·Research37-437Experimental study on effects of imidazolium-based ionic liquids on heat transfer characteristics of coalLIU Dong, HU LetianTest·Research44-498Experimental study on key factors of magnetic change of weakly caking coal during heatingHAN Wenbin, WU Han, QIN Zheng, REN ZhongjiuTest·Research50-569Study on phase transformation characteristics of carbon dioxide in composite inert gas slurryZHANG Xinhai, ZHANG Shoushi, DOU Kai, WANG Kai, ZHAO SichenTest·Research57-62,6810Study on failure approach index of gassy coal rock and 3D reconstructionYUAN Haiping, WANG Wenhui, YE ChenxuTest·Research63-6811Determination of loading mechanical characteristics of in-situ tectonic coalLI Wenshan, ZHANG Hao, JIN ZhixinTest·Research69-7412Precise detection technology for gas enrichment characteristics of overburden rock under pressure of strong mining in thick coal seamSUN Baoqiang, LI Xin, FAN FuhuaiApplication·Innovation75-82,8813Research on CBM drilling and completion technology of complicated strata in Jinjia Mining Area of Guizhou ProvinceYAN Zhihua, HU Haiyang, LOU Yi, CHEN Jie, HE LianwenApplication·Innovation83-8814Accurate hydraulic fracturing engineering test in coal seam section with comb-shaped branch holes through layersZHAO Kun, LI Wen, OU CongApplication·Innovation89-9515Sampling technology for measuring gas content in broken soft coal seam based on comb-shaped directional boreholeCHAI JianluApplication·Innovation96-100,10716Optimization design of dust remover for mine equipment based on gas-solid coupling principleCHANG DanhuaDesign·Development101-10717Architecture and key technology of coal mine artificial intelligence video analysis systemCHEN JieDesign·Development108-11218Key technology and application of surface life support hole demonstration project in Meihuajing MineKANG Yuguo, ZHANG Biao, ZHANG MingDesign·Development113-12019Coal mine safety management big data platform based on data miningGAO Jing, ZHAO Liangjun, LYU XuyangDesign·Development121-12520Improving communication efficiency of RS485 bus based on group call and queue response strategyBAI SizhongDesign·Development126-130 