1Development Status and Trend of Hydrogen Energy in Cement Industry under Background of Carbon Peaking and Carbon NeutralityLI Huajun, YANG Huanying, MA Jiaomei, ZHAO Liang, WANG JiashuoEnergy Conservation and Emissions Reduction15-242Technology and Engineering Application of Collaborative Treatment of Urban Dried Sludge with Cement KilnCHEN Ruizhang, TAO Congxi, ZHAO Bisheng, LIU Chao, LUO HuiEnergy Conservation and Emissions Reduction25-313Analysis and Solution Measures on the Wear Mechanism of SCR Catalyst in Cement KilnPENG Xiaoping, WANG Yonggang, CHENG Zhaohuan, TANG XinyuEnergy Conservation and Emissions Reduction32-374Design and Application of Dual DC Drive Speed Regulation System for Rotary KilnGU WeiEquipment Technology38-435Measurement Analysis and Repair Method of Tire DeflectionHU Tao, HE Zhenghui, LIU Gang, WANG Wei, SHE XiangzhongEquipment Technology44-496Energy Saving and Consumption Reducing Modification for Pulverized Coal VRM GrindingLIU Di, DU Xin, WU Xiao, LIU ChangTechnical Transformation50-557Upgrade of ATOX50 Raw Meal Roller Mill for Energy Saving and Consumption ReductionWANG Hai, HU Xiaodong, XU Han, WANG ShuangjunTechnical Transformation56-60,668Renovation Practice of Energy Saving and Consumption Reduction for a 6 000t/d Cement Clinker Production LineBIE Jianmin, WANG Hui, WANG Lijun, GUO YongqiangTechnical Transformation61-669Renovation of the Drive System of Rotary Kiln on 10 000t/d Cement Production LineWANG Kexue, JI Liang, WANG MingqianTechnical Transformation67-7010Analysis of Abnormal Cement Setting Time Caused by Desulfurized GypsumZHONG Yu, ZENG Rong, LAO LilinProduction Technology73-7811Application of Neutron Activation Online Analyzer in Cement Raw Meal BatchingLU Guoqiang, JIANG PengProduction Technology79-8612Research Progress of Magnesium Phosphate CementLIU Ruinan, WANG LiyanOverview87-9013Research Progress on Effect of Fluoride Containing Sludge on Setting Time of ClinkerFENG Yun, LI Zhen, ZHANG Wentao, LI Jia, ZHAO FengOverview91-96 