1Comprehensive Analysis on Present Status of Mine Backfill Mining and ProspectsYANG Sheng-li, BAI Ya-guang, LI JiaDesign and Technology4-6,102Study on Coordinated Mining Sequence Between Surface Mine and Underground Mine Affected to Deformation and Failure Law of Surface Mine SlopeLI Shao-chen, ZHOU Jie, DING Xin-pin, ZHAO Ru-huiDesign and Technology7-103Study on Layout Plan of Xinjiang Coal Outward Railway Transportation ChannelYU Yang, ZHANG Ling, CHEN Ying-wuDesign and Technology29-314Applied Study on Bolt and Grouting Support Technology in Linnancang MineWANG Yong-rui, HE Shu-dongConstruction Technology32-34,375Study and Application of Mechanized Installation Technology to Equipment of Fully Mechanized Coal Mining FaceZHANG Xue-zhong, LIU Bo, MIAO Ji-jun, MA Zhuang, SHI Hai-fangConstruction Technology40-426Study on Water Inrush Prevention Technology of Temporary Coal Bunker ConstructionWANG HaoConstruction Technology46-487Present Status and Countermeasures of Gas Control in Medium and Small Mines of GuizhouXIANG LongProduction Technology63-658Study on Key Stratum of Overburden Strata and Weighting Interval of Roof in No.601 High Cutting Coal Mining Face in Meihua MineMENG Zhi-qiang, JI Hong-guang, SUN Li-hui, LIU KunDiscussion on Research72-759Analysis on Numerical Simulation of Pressure Releasing Slots in Different location of Mine High Stress and Soft Rock RoadwayWANG Xin-feng, GAO Ming-zhongDiscussion on Research76-7910Site Observation on Mine Pressure Behavior when No.52304 Fully Mechanized Coal Mining Face Passing through Valley Terrain in Daliuta MineGAO Hao-ran, ZHU Wei-bing, Wang Lu-jun, JU Jin-feng, ZHANG Wen-keDiscussion on Research80-8211Experiment Study on Methane Concentration Affected to Combustion and Explosion Features of MethaneQU Zhi-ming, WANG Yu-de, HOU WeiDiscussion on Research89-91,9512Karst Sink Zone Defined with Multiattribute Technology of SeismicLI Qiao-ling, HU Hai-juan, ZHANG Hui, HAO Xiao-xia, YANG Wan-liDiscussion on Research92-9513Study onmeasuring Experiment of Coalmechanics PerformancesLIANG Zhong-yu, JI Zhen-qiang, CHEN Zhan-qing, XIN Hai-deDiscussion on Research96-9914Study on Factors Affected to Pressure Filtration and Dewatering Effect of Slime with MontmorilloniteYANG Ting, WANG Hui-feng, XU Zhi-qiangDiscussion on Research102-10515Study on Tectonic Coal Preparation Experiment in Zhengzhou Mining AreaCAO Xue-xin, LIU Jian-xinDiscussion on Research106-10816Fractal Classification of Coal Pore System Based on Mercury Injection ExperimentZOU Ming-jun, WEI Chong-tao, ZHANG Miao, SHAO Chang-kui, QI YuDiscussion on Research112-11417Discussion on Features of High Alumina Coal Resources in Zhungeer CoalfieldWU Ze-guang, SUN Jun-min, ZHANG Zhan-jun, SHI Song-lin, LIU Qin-fuDiscussion on Research115-11818Research, Development an Application of Dual Cone Heavymedium CycloneQIAN Ai-junEquipment Technology125-12719Informationalized Study on Full Process of Coal Quality Analysis in Large Coal EnterpriseZHANG Xiao-yan, CAI Pan-liangInformation Engineering131-133 