1Study on pre-splitting process of single tooth bucket hook for coal seam mining in Zhundong Open-pit MineLIU Zhonghong, GAO Jinlong, WANG Denglong1-3,72Prevention measures of underground mining to open-pit mining in old goafJIANG Wenping4-73Study on the stability of north slope in Anjialing Open-pit MineMA Xiyan8-11,154Research on the mining scheme of the side triangle coal with throwing blastingMA Jingjia12-155Research on slope dynamic failure process of composite dump based on FLAC3DJIANG Haitao16-186Determination of south slope cross mining internal dumping slope shape in Zhahanao'er Open-pit MineWANG Xiaoguang, QI Limin, LI Zhenming19-22,267Analysis and countermeasure of mine truck efficiency in Anjialing Open-pit MineQI Yujun23-268Dumping planning of Fushun East Open-pit Mine East DumpHUO Mingliang, FENG Ping, HAN Wei27-30,339Ideas and methods of improving coal quality management in Baoli Coal MineWU Xingtuan31-3310Stability analysis and treatment of slope in northeast landslide area of Pingshuo East Open - pit MineSHI Guangyao, ZHAO Dengjuan34-3811Construction optimization of combined pre-split explosive column in deep water drilling in Anjialing Open-pit MineLV Dexian39-4112Research of structure and design requirements for bucket wheel deviceSONG Bo42-4513Truck fuel monitoring system based on GPRS in Open-pit MineLIU Weiyu, HE Shuai46-48,5214Design and application of a new type of replacement device for mining truck tire beltZHANG Xiaofei49-5215MT5500 trucks electric wheel independent repair technology improvementLU Yunfeng53-55,6016MT5500 electric wheel truck phase module test platform for research and developmentMA Hailong56-6017Improvement of 395BI electric shovel electrical drive systemSU Liangbi61-64,6718Technical innovation of GPS truck dispatching system in Fushun West Open- pit MineYANG Zhiyong65-6719Slope system safety management in Pingshuo East Open-pit MineLIU Guo68-70,7320Feasibility of commercial coal classification by environmental protectionXU Hongmei71-73 