1Circular Economy and Independent Innovation of Iron and Steel Industry in ChinaXU Kuang-di1-32New Technologies in Hot Strip Rolling Production and Their CharacteristicsSUN Ji-quan, ZHAN Bo4-73Production Analysis of 350 m3 BF with High Oxygen-enrichment in JigangLIU Xue-yan, ZHAO Xiao-ming, ZHANG Zhe8-104Development of 34 ~ 50mm Heavy PlateZHENG Xiang-zeng, XIA Dian-xiu11-135Rolling Practice of 865mm Wide Flat Steel on 950 Hot Tandem MillLI Zhou, WANG Ji-quan, WANG De-hou13-146Transformation of Semi-tandem Rolling Process in the Rolling Line at LaigangSHI Jun-qiang, WANG Zong-bin, FENG Cheng15-167Reason Analyses of Ageing Impact Toughness on the Low Side of 20g PlatePENG Hai-hong, LI Guo-bao, XING Xiang-qin, LI Shuai-min17-198Process Development of Producing 45# Steel SlabLIU Zhen19-219Transformation of Raising the Production Capacity of the 330t Rocking ShearsLIU Chun-yu22-2310Restoration Process of the 300 Ton Mixer Furnace MouthZANG Chuan-bao24-2511Energy-saving Application of Frequency Control of Motor Speed in Factory's Water SystemXU Wen, LIU Shu-jie, HOU Dian-guang25-2612Design and Application of the Automatic Control System for Gas Metering and DispatchingLIU Zhen27-2813Study of Aluminous Slag Performance in BFQIN Xue-wu, SONG Can-yang, YAN Yuan-yuan29-3214Study on Coking Experiments of Adding Acid Tar Polymer into Blending CoalQI Hua, CHEN Chang-hua, LI De-jin, HU Xin-liang, JI Tong-sen33-3415Thermodynamics and Kinetics Analysis of Liquid Iron Desulfurization by Blowing Granular MagnesiumWANG Wei, GAO Zhi-qiang, XU Xu-lin, CAO Wei, CHENG Zi-hong, REN Xun35-3716Study and Development of Hearth and Bottom Erosion Model of Blast FurnaceLI Xue-fu, WANG Ping, CHEN Miao37-3917Predictive Model of B.O.F End Oxygen ContentPU Xiao-qiong, QIU Cai-wen, GUO Wei-shan, HE Hang40-4218Analysis of ER50-6 Steel Wire Rod Cracking During DrawingYUAN Chang-bo42-4319Fully Dense Sintering Ti/Al2O3 CompositeXU Kun, WANG Zhi, XIA Mao-shen, YU Zhen-yu, ZHANG Pei-ying44-4520Discussion about the Desilication of Raw Liquor in Sintering Process under High TemperatureWANG Yu-ling46-47