1Blast Furnace Iron Making Technology Progress and Development in Jinan SteelLIU Chong-ting, WANG Liang-zhou, JIA Yong, KONG Fan-shuo, YANG Jin-fu1-2,52Research Progress on Hydrometallurgical Treatment of Cyanide Tailings with High Iron Content and Process DevelopmentZHANG Ya-li, YU Xian-jin, ZHANG Li-peng, LI De-gang3-53Development of HIC-resistant Pipeline Steel Strip X65GE Xin-jian, WEN Hua-xian, WEI Dai-bin, LI Jian-ke6-84Application of Hot Rolling Lubrication Technology in H-beam ProductionLU Feng-jun, YIN De-quan, FENG Wei, LI Zhen-liang9-10,165Application of Cemented Filling with Unclassified Tailings in Mazhuang Iron MineWANG Feng-bo, SU Hong-rui11-136Problems Occurred in Coke Oven after Extending Coking Time and the Solving MethodsLUO Jin, ZHANG Jun, JIN Ying-wu, LI Xiang-lin, ZHANG Hai-ying14-167Process Optimization and Improvement of Depressing the Temperature and Pressure in CDQ Annual OverhaulXU Rui-yang, QIAO Ji-jun, ZHANG Min17-188Rapid Resumption Practice of Laiwu Steel's 1 880 m3 BF Condition after Planned MaintenanceLANG Da-hui, LIU Yuan-yi, JIANG Xue-jian, WANG Xue-peng19-20,229Smelting of High-purity Pig IronWEI Zhu-gui21-2210Optimization of Furnace Line Protection Technologies in Combined Blowing ConverterLIU Xi-shan, LI Hao, ZHANG Pei-shuai23-24,2911Talking about Cooling Process Optimization of High Carbon Steel Wire after RollingZHANG Shou-long25-2612Trial-manufacture and Development of Automobile Beam Steel 610LCHEN Pei-dun, MA Zheng-wei, CHEN Kun27-2913Forming Cause Analysis and Control Measures of Small-longitudinal Cracks on Ship Plate Steel SurfaceCHEN Chuan-lei, ZHANG Li-biao, YANG Xiao-qing, GAO Long-yong, CHEN Chang-yi30-3114Study on the Numerical Simulation of Bar Three-slitting Rolling Pass in Zhangdian SteelBAI Xing-liang, REN Hui-ping, CHEN Lin, PAN Hui, WANG Qing-yi32-3415Research on Phase Transformation Behavior of 07MnNiMoVDR Steel during Continuous CoolingSHAO Zheng-wei, XIAO Feng-qiang35-3616Determination and Improvement of Silicon Content in Regenerative Ferromanganese-silicon Ball and Ferromanganese-silicon PowderLU He-ping37-3817Analysis of PT Secondary Voltage Unbalance AppearanceLI Lu39-4018Analysis of the Online Supervisory Project of Iron Mine Tailings PondLU Bin, ZHOU Dong-wen, SUN Li-wei, DONG Jun-ling41-4219Practice of Reducing Gas Unit Consumption of Heating FurnaceMA Wang-wei, HOU Wei-jun, CHEN Biao, CAO Pei-jing, WAN Chun-jie43-44,4920Reconstruction of Hydrogen Making Process from Coke Gas by Pressure Swing AdsorptionSHAO Chuan-shou, DONG Kai, XUE Chui-yi, WANG Xue-han45-46 