1Determination of multiple trace elements in coal by inductively coupled plasma mass spectrometryYANG Chun-ru, KANG Jun, GAO Jian-wen, ZHANG Heng, WANG Yi-chen1-42Discussion on using heating absorption method to determine the moisture content of Indonesian ligniteCHENG Wen-xiang5-7,103Analysis of influencing factors on determination of moisture holding capacity of coalYANG Ni8-104Research on the influencing factors on the determination of volatile matter in coalLV Ming-chao11-155Research on determination of moisture in the general analysis samples using non-touch microwave reflection moisture analyzerLI Lan-xin16-17,206Analysis of impact factors on accuracy of rapid determination the content of carbon and hydrogen in coal using two-part furnaceRONG Xia18-207Discussion on problems of calorific value determination of anthracite which was hard to combust thoroughlyNI Shi-ming, SONG Chang-ping21-22,258Discussion on dosage of BaCl2 in determination method of coal ash composition: SO3JING De-gang, ZHAO Gui-jun23-259Discussion on determination of calorific value using 5E-2AC double control calorimetric instrumentLIN Qiao-yu26-2810Application of double-frame electric adhesive tape scale in port measurementSUN Tao, SUN Qing-hua29-30,3411Comparison of Chinese national standards and international standards about determination of volatile matter in ligniteXUE Jun-hai31-3412Comparison of electricity quantity-gravimetric method and three-part furnace method about determination of carbon and hydrogen content in coalLI Hui, JIAO Fa-cun35-3713Discussion on key steps in determination of true relative density of coalOUYANG Min, SHAO ying, ZHAO Xiao-ling38-39,4614Discussion on several questions on coal sampling and preparationGU Ben-ke40-4215Evaluation of coal quality for Zouzhuang coal mine in Anhui provinceWANG Feng-juan43-4616Discussion on processing condition and mechanism of lignite no adhesives briquetting technologyLIU Ming-rui, WANG Dong-sheng, HAN Jin-de47-48,5717Discussion on carbon emission under the circular economy operation model in Jining No.3 coal mineLI Feng-shan, ZHU Chuan, ZHANG Chao, WU Lin-lin, YANG Lei49-5118Study on the desulfurization efficiency test by adding quicklime in pulverized coal industrial boilerFAN Wei, MIAO Peng, YAN Li-li52-5419Discussion on the experimental study and the application of combustion performance of Lu'an coal for blast furnace injectionYANG Guang-qing55-5720Application of twice clean coal slime flotation and two-stage dehydration technology in coal preparation plant of Tianchen coal mineZHU Jia-yao, YIN Jian-chao, LIU Shu-Ying, ZHOU Wei, WU Chao-dang, ZHANG Yu-lei58-60,63