1Keeping the Orientation of Comprehensive Deepening Reform Creating a New Pattern of Iron Ore ExploitationLI Xinchuang1-52Controlling Practice on Total Oxygen Content in Gear Steel Slab Produced by BOF-LF-CC ProcessFENG Nian6-83O ptimization on P roduction P rocess of O il S torage T ank S teel with L ow Y ield T ensile R atioZHANG Yingjie9-10,134Study on Smelting Technology of Medium and High Mn Molten IronJIN Lishan11-135D evelopment and A pplication of the D ouble-nozzle P rotective C asting P rocess for B eam B lank C ontinuous C asterSONG Yuqing, YANG Zhijie14-156A pplication and E ffect of H igh S ulfur C oking C oal in A nyang S teelLI Xianglin, NIU Huantao, ZHANG Shanxue, LIU Sipei, GAO Fenglin16-177Development of Controlled Rolling Process for N80-1 Steel Tube in ARE Tube-rolling TrainLI Jing, LIANG Jianshan, LIU Jinpeng18-19,218P ractice of C ontrolling B lack S pot D efects by E mulsion on C old R olling S teel S tripZHAO Shumin, HOU Yuanxin, YAN Zhaoshun20-219Analysis on the Characteristics and Origin of Surface Net-shape Cracks on Steel SheetZHU Guihe, JIANG Xuejun22-25,2810Research on Properties of Pulverized Coal for BF Injection in Laiwu SteelZHOU Xiaohui, LIANG Dong, LI Xiao26-2811S tudy on V ariation of L ow T emperature T oughness of M n2S teelSHI Qiuying, LU Dengyao29-3312A nalysis and C ontrol of S urface D efects in Q 690D S lab for H eavy P late in B aotou S teelWANG Hao, QIE Junmao, DONG Fang34-36,3913Influence A nalysis of S lag S eries A djustment for J inan S teel’s 3200m3 B FLIU Xueyan37-3914M ain Influence F actors and S olutions for the Internal C racks of C ontinuous C asting B illetLI Guangyan40-4315The Cycle of Lead Concentration in BF and Its Suppression MeasuresXUE fei44-4516Research on Theory and Method of LF Refining Slag DesulfurizationLIU Hanghang46-4917P ractice of T ransforming 4.3m C oke O ven into S tamp-charging C oke O ven in J inan S teelWANG kai, ZHU Congwen, JIANG Yongmei50-5118R esearch and A pplication of M odular Intelligent L ower V ote R eactive P ower C ompensation D eviceLIU Yue52-53,5519D esign and A pplication of D ust R emoval S ystem of F inishing M ill of H-beam P roduction L ine in L aiwu S teelHE Hua54-5520D evelopment of Integrated M anagement and C ontrol S ystem for C onverter A uxiliary A reaSHANG Guimei56-57,59 