1Discussion on influence of coal quality fluctuation in coal-fired power plantsGUO Yu-quan, JI Zhong-guo, HAO Wei-dong, LIU Fu-guo1-32Primary study on coking property of Huaibei coalJIANG Ying4-63The primary study on the distribution of harmful elements in Shendong coalsWANG Hai-jiang7-94The characters and industrial usage evaluation of coals from Lianghuayuan MineWEN Ting-zhong, LI Yun-feng9-115Production practice of estimating objectively coal quality by using the petrographic analysis techniqueXIE Xiao-xia, Fu Li-jun12-13,326Quality control in coal property test laboratoryWANG Xing-wu, LI Chun-yan14-167Strengthening management of mixed mining and increasing economic benefitAN Tao, YIN Zhao-wei, WANG Er-zeng17-188The factors of influencing performance and use of crushing-dividing machineHE Wen-li, ZHANG Tai-ping20-219The application of microwave drying in rapid moisture measurement of coalAN Ke-min22-2410Photometric determination of silicon and phosphorus content in coal and cokeWANG Na, LIU He-yan25-2711Imagination for shortening the ash measure time of commercial coal in HuolinheSUN Hao, WANG Hui-li, WANG Lei28-3012Evaluation method for measuring performance of γ-ray ash content apparatusYANG Hua-yu31-3213Discussion on accuracy of coal volatile matter determinationWEN Xiang-xin33-34,3614Application of computer in coal proximate analysisCHENG Dui-qiang, WEI Guo-qing35-3615Discussion on report value determination of total moisture in coal between ISO and GBYUAN Xiao-ying, JU Su41-4316The introduction of coal gasification technologies and the choice of gasifiers for Hebi-coal to methanolMA Wen-qing46-4817Digging for energy saving potentiality and developing exergy balance of enterprisesBIAN Han-song49-51,5418Mine water'disposing and utilizing for being resources in Datong areaGUO Peng, XU Lei, GAO Yun-feng52-5419Study on precautionary and corrective measures of running deviation of conveyor beltWANG Yan-feng, QIU Chang-ming, LIU Ying-lin55-5720The reformation of technological water system in Geliping Coal Preparation PlantHOU Yong-gui58-60 