1Research on mining area transition optimization in Huolinhe No.1 Open-pit MineWANG Hai, WANG Haifeng, LI Wei, DONG Junting, SUN Yougang1-5,92Research of slope stability monitoring system in WeiJiamao Open-pit MineJI Xiancheng, WANG Zhuoyu, WANG Yongli6-93Optimization research of dumping parameters in Yimin Open-pit Mine inner dumpLIN Hongzhi10-144Analysis on rare metals and rare-earth minerals mineralization and exploration potential in LabradorTAN Liang, LIANG Shuai, LIU Shujie, LI Mengmeng15-19,225Analysis and comparison of LMG series coal mining machine and full hydraulic bucket wheel excavatorYAO Yong, WANG Jianguang20-226Optimization of internal dump during anticline period in Antaibao Open-pit MineXUE Wanhai23-25,307Prediction on drilling speed of DTH drilling rigs based on BP neural networkLI Yanping26-308Making methods of equipment maintenance norm of working hour in coal preparation plantZHAO Qi, WANG Yingnan31-339Application of remote power metering system based on GPRS in coal preparation plantZHANG Xiaoli, LI Lifang, GAO Fei, REN Xiaoming, SHI Yaying34-36,4110Research on S7-300 scraper machine ring chain preheating welding control systemLIU Chao37-4111Fault analysis of dump truck electric wheel in open-pit mineLIU Xi, ZHANG Ziting, SONG Ziguang42-4512Research of GPS intelligent management system in large open-pit mineMA Zhanyi46-49,5313Research of promoting power quality at present stage in Heidaigou Open-pit Coal MineWANG Guoqiang50-5314Mechanical characteristic study of upper steel structure of boom bucket wheel machine based on ANSYSCHENG Jia54-56,5915Analysis on 930 E truck double relay valve faultWANG Dongfei57-5916Cause analysis and control measures of 930E truck lifting cylinder seat open weldingLIN Xiaolong60-6217Comparison of 856 and 888 loader braking systemGE Chunwei63-6618Slope safety monitoring scheme in the gangue field of Heidaigou coal preparation plantZHANG Shunhong, FU Xiangchao67-71,7619Research on security assistance system of mining heavy truckSU Haiyun72-7620Study on greening design of slope protectionYANG Guangyu77-79 