1Effective and simple technology of dence medium coal preparation and slurry water treatmentZHAO Shu-yan1-52Study on the regularity of distribution of coal ashREN Zhi-hu, FAN Xiao-nan6-103Technical transformation of slurry system of Dashucun coal washerySUN Xiao-bin11-124Application of KZG pressure filter in Xieqiao coal washeryJIANG Tian-liang13-155Study on reactive characteristic of initial stage in direct coal liquefaction processLI Gang, LING Kai-cheng16-196Technical progress and analysis of semi-coke production with low metamorphic degree coalZHAO Jun-xue, LI Hui-juan, LI Xiao-ming, LIU Jun-li, HUA Jian-she20-237Application of supercritical fluid extraction technology in coal processingHE Xuan-ming, LI Tie-lu, WANG Kuan-qiang, QIN Jin, ZHANG Hua-jun24-288Status of exploiting and utilization of oil shale in ChinaCHEN Xiao-fei, GAO Wu-jun, ZHAO Jie, HUANG Jian-ning, WU Yi-xi, ZHANG Jun-qing, DOU Jun-lu, TIAN Peng-jun, ZHANG Zhong-min29-319Control technology of flue gas SO2 in coal-fired industrial boilersXIAO Cui-wei32-35,3910Analysis influencing factors of yield and properties of low-temperature tarFAN Yi-long, WANG Ning-bo, XU Hong-dong, MEN Chang-gui36-3911Influence of off-design gas turbine on performance of gasification island in IGCC systemZHOU Guo-feng, ZHANG Zhong-xiao, LI Zhen-zhong, QI Li-li, CHEN Lei, CHEN Xiao-li40-4412Research on magnetism enhancement of pyrite in coal under overheating steam atmosphereXU Shi-hui, LI Yan-feng, CHEN Wen-kan, ZI Tao45-4813Research on the effect of the fusion characteristics of Xiaolongtan lignite ashesLI Feng-hai, HUANG Jie-jie, FANG Yi-tian, WANG Yang49-5314Analysis of coal quality characteristics of Carboniferous and Permian coal seam and development of CCT in Henan ProvinceLI Yuan-jian, FAN Yun-xia, LIU Su-qing, YANG Min54-57,6015Research on steam explosion device for lignite upgradingZHOU Jian-ming, GONG Zhi-jian, LIU Wen-yu, FANG Zhao-ying58-6016Study on washability of prite recovery from high-sulfur coal refuseLI Xiao-hua61-6317Study on the determination method of sulfur conversion rate of coking coalYU Bo-lin, DUAN Chun-ming64-66,7318Impact on ecological environmental impact assessment of developing Shendong Mining AreaCHENG Shui-Ying, ZHOU Yu-hong67-6919Study on the dust covering agent dedicated to coal railway transportCAI Jue-xian, DONG Bo, LI Ying-quan70-7320Research on fully-mechanized face combined drainage in high gas concentration mineZHANG Jian-jun74-76 