1Structural characterization and molecular model construction of humic acid from Yimin ligniteZHAO Yungang, LI Meifen, CUI Xi, ZHAO Yueyuan, WANG Xiaoling, SHAO Yan, MU Ruifeng, HU Zihan1-122Composition and characterization of the heavy fractional compound in medium low temperature coal tarZHAO Yuan13-203Research progress and economic analysis on energy storage technologyFAN Wei21-29,384Experimental study on value-added utilization of coal slime by deep flotation deashing and upgradingDENG Huixian, FU Jiangang, ZHANG Zuoqing, LI Xingyuan, LIN Yue30-385Research on collaborative slurry production of high carbon fine ash and chemical sludge with coalKANG Xin, DU Donghu, LI Lei, CAO Qi39-44,516Experimental study on furnace vibration of industrial pulverized coal boiler based on pressure fluctuationJIA Dongliang45-517The influencing factors and improvement strategies of coking in the furnace of coal powder industrial boilersZHANG Chao, HUANG Jian, HAN Ping, SUN Tao, WANG Chengwen, HAN Chonggang, CHENG Xiaolei52-608Research on the design and construction of coal testing laboratoryMA Kefu61-67,739Study on coal quality characteristics of Russian coking coalGUO Qingjie, YUAN Dongying, MENG Qingyong, WANG Dongsheng, ZHANG Wei, GAO Chunyan68-7310Coal quality characteristics and clean utilization evaluation of No.1 mine in Qiketai mining area of Xinjiang provinceZHOU Jian, WANG Peng, ZHAO Yunpeng, LUO Jie74-81,8611Design and implementation of PLC-based intelligent vibration system for coal belt conveyorXI Haidong, LIU Huiling, ZHANG Zihan82-8612Discussion on reflectance measurement of vitrinite and type judging of mixed coalYANG Ni87-9213Analysis of the effects of total chlorine in the furnace coal on rough benzene content exceeding the standard analysisSHI Xiaoliang, CHEN Changhua, GU Weijun, SHI Zhicheng93-96