1Devolopment status and prospect of thermal energy storage technologyFAN Wei, ZHOU Zhongbo, LI Yanhui1-82Research progress on modification of polyurethane grouting materials for coal minesLI Yang, CHEN Guifeng, WANG Yuchao, YU Xiaofeng, LI Shuolin9-153Coal quality characteristics of Early Cretaceous coking coal mining resources in Northeast ChinaCHEN Wenmin, FU Cong16-234Research on the effect of swirl number on combustion characteristic of multi-channel swirl burnerZHENG Xiangyu24-305Study on the treatment of trace petroleum and dissolved organic matter in mine water by ozone oxidationLIU Liangping, ZHANG Kai, ZHANG Jiachen, GUO Hongwei, MA Tao, LI Chenyu31-366Changes in the quality characteristics of typical coking coal during pyrolysis and coking processesWANG Xu, GAN Xiushi, HOU Shibin, ZHOU Qi, WANG Yan, WU Ji, WANG Chao, ZHU Qingmiao, ZHAO Zhenxing, LIU Fujun, PEI Xianfeng, ZHAO Qi37-437Research on the influence of particle size distribution of gas coal and long flame coal to coke qualitiesWANG Zhanchao44-498Study on the distribution and occurrence state of mercury content in Shaanxi coalZHAO Bo, WEI Ning, ZHANG Fei50-559Study on liquefaction reactivity of macerals in Shendong coalXUE Danxiu56-6010Development and application of intelligent rail car in the field of fuel intelligentWEI Yi, XIAO Pengfei, ZHOU Sixu, KE Wenming, LU Maorong, SUN Zunqiang61-6611Common coal quality analysis items in iron and steel enterprises and standards reviewMA Feiyue, ZHENG Yinan, DING Jian67-7812Experimental study on the performance evaluation of intelligent coal sample preparation systemJIANG Chao79-8313Application analysis of determination of carbon,hydrogen and nitrogen in coal by adsorption analysis thermal conductivity methodFU Kun, LI Yanyan, CHEN Sihan84-89,9614Study on influencing factors of total sulfur determination in coal by coulometric methodWANG Jian, YIN Zhiyuan, WU Bihai, XU Jun90-96