1Research of acceleration internal dumping technology from vertical mining to horizontal miningJIANG Wenping1-42Research of south slope automobile transfer railway in Fushun East Open-pit MineXIA Shouliang, ZHAO Yingtuo5-73Bench blasting parameter optimization in Jinzhengtai Open-pit Coal MineZHOU Zhiyou, GUO Ruidong8-10,144Determining of reasonable working bench length in Open-pit Coal MineCAI Zhongchao11-145Goaf detect based on transient electromagnetic methodCHEN Long, REN Long15-18,226Research on inner dump increase in Ha'erwusu Open-pit MineLUO Huaiting, JI Yushi, YAN Jie19-227Determination of blasting engineering hole net parameter in Shengli Open-pit MineGENG Hao, XIAO Bin23-25,308Researching on improving blasting parameter of lump coal rate in Heidaigou Open-pit MineLI Fang, ZHANG Yinliang26-309Analysis on semi-continuous technology system operation evaluation in East Open-pit MineHE Jijun31-33,3710Application of semi mobile crushing and screening system in shale open-pit mineXU Dong34-3711Design and installation method of truss type belt conveyor in reconstruction projectWANG Jiadong38-40,4412Mine heavy truck rear disc brake maintenance equipment designHAN Zigang, LI Sanzhu, JIN Xin41-4413Mechanism and repair technology of A514 high-strength steel after welding weld delayed crackCHEN Jianping45-4714Low temperature materials select for mining excavatorZHOU Hang, YAO Longang48-5015Repair of 8750 shovel rotary vertical shaft base hole systemDONG Xin, KONG Erlin51-54,5916Analysis of hole drilling machine to prevent stickingLV Dexian55-5917Transformation research and design of fire control system for mining truckZHAO Pengfei, JIN Xin, WANG Dongfei, HAN Peng, GAO Jinrong60-6318Fault analysis of 930E truck lift systemGAO Lei64-6619Water gushing mud hidden peril control in Gaoyangpo tunnel of Pingshuo East Open-pit MineZHANG Guangwu67-69,7320Problems and countermeasures in Anjialing terminal sewage treatment plantBIAN Mingming, LI Jiajian, LIU Jianguo70-73 