1Water-inrush mechanism and prevention for fourth panel roof in Bulianta coalmineYI Mao-sen, ZHU Wei-bing, LI Lin, ZHAO Xu, XU Jia-lin241-2452Comprehensive assessment of collapse instability of fractured rockmass mediums based on in-situ monitoringLAI Xing-ping, ZHOU Guang-hua, ZHANG Jian-hua, LU Zhao-hai, CHAI Xin, ZOU Lei246-2503The detection technology of excavated region in coal mine and case studyCHENG Jian-yuan, SUN Hong-xing, ZHAO Qing-biao, SU De-guo251-2554Analytical model of protective coal pillar design for vertical section methodWEI Feng-yuan, CHEN Jun-jie, ZOU You-feng256-2585The new technology of waste-filling replacement mining on strip coal pillarSUN Xi-kui, LI Xue-hua259-2636The law and mechanism of ground subsidence induced by coal mining using fully-mechanized caving methodTENG Yong-hai, WANG Jin-zhuang264-2677Research on cavability of orebody based on Laubscher's caving chartFENG Xing-long, WANG Li-guan, BI Lin, JIA Ming-tao, ZENG Qing-tian268-2728Evolution law of mining coal permeability by real-time tracer monitoring systemDENG Zhi-gang, QI Qing-xin, LI Hong-yan, PENG Yong-wei273-2769Rockburst prediction analysis based on v-SVR algorithmZHU Yun-hua, LIU Xin-rong, ZHOU Jun-ping277-28110Design method for the mine laneway pavement based on the bearing capacity approachJIA Zhi-rong282-28411The research for standardization of coal geology metadataCAO Dai-yong, HAO Wei285-28812Content of arsenic, selenium, mercury in the coal, food, clay and drinking water in the Zhaotong fluorosis area, eastern Yunnan ProvinceLUO Kun-li, LI Hui-jie, CHEN Tong-bin, WANG Wei-zhong, BI Shi-gui, WU Xue-zhi, LI Wei, WANG Li-hua289-29413Theoretical research on propagation law of acoustic emission wave in coal seam containing gasWEN Guang-cai, YANG Hui-ming, ZOU Yin-hui295-29814Reaction mechanism of ethylene production during spontaneous combustion of coalDENG Cun-bao, WANG Ji-ren, ZHANG Jian, DENG Han-zhong299-30315The mechanism of spray mist with compound chemical additives to kerosene pool fireYU Shui-jun, YU Ming-gao, HAO Qiang, LI Xi-ling, DUAN Yu-long304-30916The forces & re-entrainment of the precipitated particles on the collection plateZHI Xue-yi, JIANG Zhon-gan, TANG Min-kang, JIANG Xiao-hua310-31317Calculation on wind-blown friction velocity passing mine pilesCONG Xiao-chun, ZHAN Shui-fen, ZHANG Guang-yu314-31718Research on technology of mobile air conditioning room in minesHU Han-hua, GU De-sheng318-32119Fit gas for foam fracturing in coal layerZHANG Lin, LIU Chi-yang, LI Zhi-hang, MA De-hua322-32420Progress of fuels and chemicals production from syngas by anaerobic fermentationLI Dong, YUAN Zhen-hong, ZHUANG Xin-shu, LV Peng-mei325-329 