1Gas drainage technology for high gassy gateway heading faceYAO Shang-wen, LIU Ze-gong, YANG Li-xin1-42Rapid holding and control for special large water inrush from sink hole in Dongpang MineLIU Jian-gong, ZHAO Qing-biao, BAI Zhong-sheng, WANG Xi-rui, JIANG Qin-ming4-73Speed regulating system for electric magnetic speed regulating electric haulage shearer with microcomputerWU Hao, WANG Wei, LI Xiao-bo, LIU Yuan-Fa8-114Support technology of bolt and anchor truss applied in large chamber of Tangkou MineLIU Yan-sheng, ZHAO Jing-zhong, YANG Jia-en, LIU Ye-xian, LIN Deng-ge12-155Practice on trial mining in special thick seam with soft roof, soft coal, soft floor, high inclination, rich water and high gass under nappeBAO Zheng-ming15-186Technnology of joint application gateway for double slicing coal mining face in Tucheng MineTIAN Shuang-liang, PEI Li-ming, GU Guang-xian, RUAN Guo-chu, SUN Chang-jiang19-21,257Ground behavior and control of coal mining face with weathered soft roofYANG Ben-shui, XUAN Yi-qiong, WANG Yu-quan22-258Mine shaft sinking technology for mining subsidence areaXU Zhen-guo, LI Xi-zhu, YANG Zhi-jian26-299Technology for coal pillar recovery face passed through used gateway in Shigejie MineSUN Yu-fu30-3210Research and improvement on optimized method of network planning resourcessSHI Si32-3511Frequency converter with site main bus line control applied to coal shearerHUI Wan-li, SUN Guo-qi36-3812Spontaneous combustion law and countermeasures for seams in Yima Mining AreaZHAI Er-an39-4113Evolution and control of surrounding rock releasing ring in mine gateway of fully mechanized top coal caving mining face with irregular coal pillars retained for next sublevelWANG Jin-an, WEI Wen-bing, FENG Jin-yan42-4514Research on dust control linkage device of water spraying props in air return wayMA Su-ping, KOU Zi-ming46-47,4515Numerical simulation study on combustion mechanism of pulverized coal in calcinerXIE Jun-lin, MEI Shu-xia, YI Ming-hui48-5116Implementation of key technology for coal transportation and sales management system base on JSP coal qualityBIAN Quan-zhou, MAO Shan-jun, WANG Jing-kang, LI Mei52-5517Medium and high pressurized water injection applied to prevent gas outburst in mine heading faceWEI Guo-ying, XIN Xin-ping, ZHANG Shu-jun56-58,4118Inspection of cutting bit installation parameters for cutting head of mine road headerXU Xiao-yue59-61,3819Promoting function of alumina to catch sulfur during combustion of coal water mixtureHUANG Bo, DUAN Jing, ZHU Shu-quan62-6420Research on continued deformation control of soft rock roadway in Fengying MineLU Ming-xin65-66,55 