1Measured analysis of the effect of changes in deep coal mining technology on subsidence lawsYang Fan, Guo Haifeng, Yan Huaimin, Cai XianluanQuestion Discussion1-6,112Research on coal seam cutting response characteristics and logging evaluation methodWang Wenwen, Liang Yunan, Wang ZhenguoQuestion Discussion7-113Market analysis and development of refractory hydraulic support fluid for mineZhang MingkunQuestion Discussion12-164Research on design and promotion strategy of coal data space construction schemeWang Dongmei, Wei Wei, Wang Jian, Xu Chao, Wang SiboQuestion Discussion17-225Construction and exploration of production information platform for coal preparation plantWei ZhenyuQuestion Discussion23-276Research on data governance system and application scenarios of smart minesTan Rui, Wei Zhiheng, Wen Shiwei, Xu Chao, Wang SiboQuestion Discussion28-33,377Testing and improvement of DCS system performanceLi Kai, He BingsenQuestion Discussion34-378Analysis and application of bed temperature optimization control for 300 MW circulating fluidized bed boilerXue Zhiqiang, He BingsenQuestion Discussion38-419Research on fracture development law and bolt-grouting reinforcement technology of advance roadwayGong Xuan, Song LiangliangExperimental Study42-4610Numerical simulation research on failure mechanism of dynamic pressure roadway and optimization of support parametersLi Dequan, Ma ZhihuiExperimental Study47-53,5711Design and test analysis of belt conveyor tensioning devicePan HuiyuExperimental Study54-5712Study on borehole layout of coalbed gas extraction based on multi-field coupling simulationSun Liuyong, Tian Jiakuo, Zhang Ran, Kang JianhongExperimental Study58-64,6813Research and application of supporting self moving machine tail for belt conveyor in fully-mechanized mining faceWang LeiExperimental Study65-6814Research on dust reduction performance of coal seam compound wetting agentLi Maolin, Zha Jian, Chen QiaojunCoal Safety69-7615Research on main controlling factors and prevention and control of impact in the fourth layer of ultra-thick coal seam miningXie Qingdian, Han Guangyuan, Huang Jideng, Shen WeiCoal Safety77-84,9216Application of dust removal technology with active magnetized water spray in fully-mechanized driving faceWang WenbinCoal Safety85-88,9217Research on safety of coal pillar in goaf of coal seam subjected to shock hazardsShen YinpengCoal Safety89-9218Research on reliability evaluation of mine ventilation systemZhang PengyunCoal Safety93-96,10419Research on time sequence rule of microseisms during initial mining period of deep gob-side ultra-long working faceSun GuoguangCoal Safety97-10420Study on seepage path of confined water in coal seam floor structure with collapsed columnsDong XufengCoal Safety105-109 