1Current situation and development trend of rock bolting construction equipment in coal roadwayKANG Hongpu, JIANG Pengfei, LIU Chang, WANG Ziyue, LUO Chao, GUO Jichang, CHEN Zhiliang, CAO XiaomingAchievements of Scientific Research1-182Design of metasurface dual-gas sensor based on VO2LIU Hai, WAN Yinhui, CHEN Cong, GAO Peng, DAI Yaowei, ZHAO Jiaming, WANG Xinyan, LU Xiangyu, ZHAO SiyiAcademic Column of Young Expert Committee19-27,793Prediction model of coal spontaneous combustion temperature based on data fillingZHAI Xiaowei, LUO Jinlei, ZHANG Yuchen, SONG Bobo, HAO Le, ZHOU YujieAcademic Column of Young Expert Committee28-35,984Study on dynamic response characteristics of resistivity in mining failure process of working faceLU JingjinAcademic Column of Young Expert Committee36-45,1085Study on evaluation method of insulation performance of mine cable based on dielectric response methodAcademic Column of Young Expert Committee46-556The essence,goal and technical method of intelligent coal mine data classification and codingTAN Zhanglu, WANG MeijunAnalysis Research56-62,727Fusion denoising algorithm for vibration signal of mine hoist with low signal-to-noise ratioWANG Houchao, NIU Qiang, CHEN Pengpeng, XIA ShixiongAnalysis Research63-728Research on pipe-following hole protection drilling technology in broken soft coal seam of the isolated island working faceCHEN Chao, CHEN Tianzhu, ZHANG Majun, WANG ChangweiAnalysis Research73-799Boom-type roadheader autonomous speed regulation cutting control systemZHANG Xuhui, SHI Shuo, YANG Hongqiang, YANG Wenjuan, ZHANG Chao, WANG TianExperimental Research80-8910Drill pipe counting method based on improved spatial-temporal graph convolution neural networkDU Jingyi, DANG Mengke, QIAO Lei, WEI Meiting, HAO LeExperimental Research90-9811Mine infrared image enhancement algorithm based on dual domain and ILoG-CLAHEFAN Weiqiang, LI Xiaoyu, WENG Zhi, LIU Bin, YANG KunExperimental Research99-10812Coal and rock identification method based on Kalman optimal estimation of load data of rocker arm pin axle of shearerSHI Guangliang, YU Rui, WANG Haiyan, GE Jinming, ZHANG ShengtaoExperimental Research109-115,12213Research on coal and rock recognition model based on improved 1DCNNYIN Yuxi, ZHOU Changfei, XU Zhipeng, SHI Chunxiang, HU WenyuanExperimental Research116-12214Acoustic emission and fragment fractal characteristics of rock burst tendency coal samples under different strain rate loadsLYU Pengfei, LU Kangbin, CAO Shubin, CONG RishengExperimental Research123-130,13915Coal mine gas and coal dust explosion sound recognition method based on wavelet packet energyYU Xingchen, WANG YunquanExperimental Research131-13916Study on the optimal control of supply air volume in switchover process of mine main ventilatorsCAI Jiahao, WANG Qianjin, FU Xiaorong, MA XiaopingExperimental Research140-145,16117Optimization of multi-hole hydraulic cutting combined extraction parameters under superposition effectNI XingExperimental Research146-15218Research on distributed storage of 3D stack grid model of coal mine geology based on HDF5GUO JunExperience Exchange153-16119Research on the intelligent management system of the trackless rubber-tyred vehicles in the coal mineYANG KunExperience Exchange162-17020Optimization design and application of circularly polarized antenna in mine UWB positioning systemJU ChenExperience Exchange171-176 