1Discussion on Separation Technology of Iron, Zink and Carbon in Zinc-borne Dust from Iron-making PlantDONG Bao-li, SUN Li-jun, WANG JingMonograoh Overview1-3,72Research and Application Status of Reverse Flotation Collectors for Refractory Iron OreFAN Yan, JING Long, ZHU Shen-hongMonograoh Overview4-73Operation Practice of Laiwu Steel's 3 200 m3 Blast Furnace in High Slag RatioMU Xian-jin, LANG Da-hui, YANG LeiProduction Technology8-94Development and Application of the Key Control Technologies for Automatic Ratio AccuracyXU Chun-ling, LI QiangProduction Technology10-135Analysis of the Slag Stopping Effects by Sliding Gate in ConverterYU Li-guo, WANG Jing-jianProduction Technology14-15,206Development of High Strength Hull Structural Steel E36-Z35XU Hai-ping, DU Qi-ming, WANG Li-yanProduction Technology16-17,207Control Method of Working Procedure Time in the Constant Speed CastingZHAO Guang-fu, LUO Jun, HUANG Sheng-yu, HU Li-gangProduction Technology18-208Application of Air-vapor Controlled Cooling Technology in H-beam ProductionWEI Peng, SHI Shan, YANG DongProduction Technology21-229Cause Analysis of Cross Break Lines Produced in Leveling and ImprovementsYIN Cui-lan, KANG Hua-weiProduction Technology23-2410Comprehensive Evaluation of Low Grade Iron Ore's Economic ValueWANG Liang-zhou, FANG Yi-liu, WANG Xin-an, YANG Xiong-wen, HAN Ke-fengTest Research25-2611Test Research of Leaching Aid Leaching and Salt Removal from Iron DustFENG Jie, LI Yi, HAN Jing-zeng, LIANG Wei-dongTest Research27-28,3012Study on Coking Test for Blend with Briquettes without Bonding AgentQI Hua, JI Tong-senTest Research29-3013Research and Application of V-type Retaining Wall in TundishCHEN Liang, JIAO Yu-li, ZHU Shi-jiangTest Research31-32,3514Study on Phase Transformation Behaviors of 70 kg Grade Low Carbon Bainitic SteelLIU Jin-quan, TIANShi-yong, XIA Dian-xiuTest Research33-3515Study on the Microstructure and Mechanical Properties of New Ultra High-strength TRIP SteelWANG Ye-qinTest Research36-37,4016Application of Metallurgy Heating System Based on Fuzzy-Smith ControlXING Geng-shun, YAO Chen-hongTest Research38-4017Determination and Improvement of the Titanium Dioxide in Cold-bounded High-titanium BallLU He-ping, GUO Yi-xin, SHANG Yu-minTest Research41-42,4618Development of Converter Recycle Slag Repetitious Using TechniqueLI Kai-yu, YANG Xiao-qing, LIU Zheng-huaEnergy Saving and Pollution Reducing43-4419Problems Existed in Coke Oven Dust Collection for Charging System and the Improvement MeasuresLI GangEnergy Saving and Pollution Reducing45-46201 880 m3 Blast Furnace Ore Slot Dust Removal System Reform in Laiwu SteelWANG Hong-juanEnergy Saving and Pollution Reducing47-48,50