1Development overview of underground coal gasification technologyLIANG JieSpecial Topic1-4,82Simulation of lignite underground gasification using Aspen PlusSHI Long-xi, LIANG Jie, WANG Yi-liang, WANG Li, ZHAO Xue, LI Yu-long, ZHANG YuSpecial Topic5-83Permeability characteristics of Ulanchap lignite under different pore pressure and temperatureLIANG Kun, SHI Long-xi, WANG Li, WANG Yi-liang, LIANG JieSpecial Topic9-124Research on temperature field evolution law of overlying strata above gasification zone in underground coal gasificationWANG Zhe, ZHOU Song, ZHANG Xiao-chun, LIANG JieSpecial Topic13-165Research on spontaneous combustion of lignite under high-pressure and pure-oxygenJING Tian, WANG Yu, ZHAO Xue, LI Yu-long, WANG ZheSpecial Topic17-19,236Experimental study on coal gasification waste water disposal with flocculationWANG Li, WANG Yu, JING Tian, ZHAO Xue, LI Shuang, LI Yu Long, WANG ZheSpecial Topic20-237Study on pyrolysis characteristics of large size bituminous coal from DachengWANG Yu, JING Tian, ZHAO Xue, LI Yu-long, WANG ZheSpecial Topic24-288Experimental research on lignite pyrolysis characteristics under mixed atmosphereZHAO Xue, ZHOU Song, LIANG JieSpecial Topic29-31,359Characteristics of tar composition and content in Tianjin Jinghai underground coal gasificationWANG Zhi-gang, CAO Jian, JIANG Sheng-guo, LI Yu-long, LIANG JieSpecial Topic32-3510Selection of industrial site location and development method for Wucaiwan No.1 Coal MineSHI Xiao-yongDesign Technology36-38,4211Design of freezing shaft lining in deep water-rich surrounding rock based on interaction principleLUO Xiao-qingDesign Technology39-4212Feasibility study of extending mining upper limit under thick unconsolidated aquiferZHI Rong-weiDesign Technology43-4513Study on ascending mining of close distance coal seams groupPANG Dong-dongDesign Technology46-4914Optimal position selection and application of overlying drainage roadway in Yuwu Coal MineLIU Lei, WANG Da-qiangDesign Technology50-5215Winding house design for auxiliary vertical shaft in Changcun Coal MinePANG GangDesign Technology53-55,5816Research on backfill mining technology with continuous miner under high geostress and complex geological conditionsJIANG Xiao-junDesign Technology56-5817Design on double spraying system for integration of coal loading and sprayingSUN Ding-ding, SHANG Shi-boDesign Technology59-6218Cause analysis on delayed overflow of the Third Aquifer hydrological hole in east ventilation shaft of Liuzhuang Coal MineCAO Hua-chunConstruction Technology63-6619Design and construction of district coal bunkerZHANG Zhen-hu, LIU Jian-gongConstruction Technology67-6920Application research on sodium silicate chemical grouting material for pre-grouting at surface groundHE WenConstruction Technology70-73 