1Influence of interlayer channeling of composite reservoir on gas drainageZHANG Zhiyuan, ZHU Chuanjie, LIU Siyuan, LI LongTest·Research1-82Experimental study on influencing factors of initial gas emission velocity based on multiple linear regressionLEI HongyanTest·Research9-153Migration law of ceramsite proppant and its granularity matching during coalbed methane fracturingZHANG Miao, ZOU Mingjun, LYU Lele, SHI Yongli, LI LinjiTest·Research16-19,264Experimental study on mechanical properties of gangue cemented filling material improved by alkali residueSUN Wenjie, YIN Wei, OUYANG Shenyang, ZHANG Kun, BAI Xiaomin, LI Hui, QIAO Wen, FANG LeiTest·Research20-265Study on dust suppression effect of surfactant on anthracite coal dustLI Zhongwen, ZHANG Zhiqiang, CHEN Xi, WU CongshanTest·Research27-326Transformation characteristics of pore structure of coal by freezing-thawing cycleYUAN Junwei, XIA Jingyi, CHU ShaofeiTest·Research33-397Study on preparation and properties of hydrogels for prevention of coal spontaneous combustion with high water absorption and water retentionYANG Miaomiao, DAI GuanglongTest·Research40-458Groups evolution of long-flame coal oxidation process under various air ambienceLYU Zhiguang, XU Yongliang, LIU Zejian, WU Jindong, LI MinjieTest·Research46-529Optimization of heat extraction performance of gravity heat pipe under multiple working conditionsMA Xin, XIE Rongyu, MENG Xi, LIU Jingwen, XIAO Yang, LU XingTest·Research53-5810Numerical simulation of rock damage mechanism by water jet under confining pressureSHEN Yifei, XU Shen, FENG Peiyun, PANG FenglingTest·Research59-6511Study and practice on modification mechanism of engineering defects on impact coal and rock massKOU Tiansi, PAN Liyou, CHEN LiqiangTest·Research66-73,7912Pipe bearing capacity test and engineering application of pipe jacking method in deep-buried coal mineLIU Zimo, TANG Bin, HUANG Zhihong, WANG Chuanbing, ZHANG Qilin, CHENG Song, CHEN Xuzhi, SUN ChanghongTest·Research74-7913Effect of microwave heating on microstructure of sandstone in coal seam roofYAO Junhui, CHEN Hui, GUAN Weiming, ZHANG JunhuiTest·Research80-85,9214Influence of residual coal pillar from upper protective layer mining on protection effectXIAO Jian, CHEN Xuexi, BI RuiqingApplication·Innovation86-9215Adaptive condition of construction and design system of coal mine underground reservoirZHANG Bao, CAO Zhiguo, CHI Mingbo, WU Baoyang, ZHANG Xibin, ZHANG YongApplication·Innovation93-9816Precise exploration technology of room pillar goaf in Shenfu Mining AreaMA Bingzhen, NIU Jianli, BAI Mingbo, ZHOU ZhufengApplication·Innovation99-103,11117Deformation and failure mechanism and controlling technology of tunnel boring machine installation chamber in deep-buried coal minesHUANG Zhihong, TANG Bin, LIU Zimo, CHENG Song, CHEN Xuzhi, SUN ChanghongApplication·Innovation104-11118Research on rock burst prevention mechanism and practice in Tarangole Deep Mining AreaREN Qiang, LI Yunpeng, FANG Ping, ZHAO Shankun, WANG Bo, ZHANG Chuang, LUO Boyuan, ZHANG Tao, JIA Xiaoyu, WANG YueApplication·Innovation112-11919Design of gas drainage monitoring system based on S7-1500R redundancy technologyWANG Zuxun, CHENG YulongDesign·Development120-12420Coal sample image processing and fracture morphological representation based on CT scanningLI Xiaoer, WANG Peng, JIN Xiangfei, CHEN Xinming, ZHANG JianglingDesign·Development125-129 