1Practice of Constructing Ecological Civilization Mine Depended on Scientific and Technological ProgressSHANG Fucheng, YANG Futing1-3,62Production Practice of Keeping No.1 1880m3 BF Long-term Stable Regular Working in Laiwu SteelZHU Mingqi, XU Hongyuan4-63Development and Production of KD Grade 3130 Steel for Sucker RodXIAO Zhenhui, MU Jingfei7-8,114Design Characteristics of No.3 1300m3 BF in Shanxi TongcaiYU Guohua, CHEN Cheng, WANG Bing9-115Process Practice of Controlling Central Carbon Segregation of High Carbon SteelTIAN Zhen, ZHANG Qinglei, XU Jiyong, YU Guang12-13,166Development of Low-temperature Shock Resisting H-beam Q345E Steel Microalloying by TianiumZHANG Xuemin, ZHAO Shenggong14-167Optimizing and Reforming Practice of 1500mm Four-roll Leveling Machine for Cold Rolled Steel StripKANG Huawei, WANG Chungang17-198Optimization Practice on Controlled Rolling and Controlled Cooling Process of High Carbon 82B Wire RodLI Changsheng, MA Zhijun, WANG Jin, ZHANG Xianyi20-219Analysis and Controlling of the Cracks in the Thickness Center of Medium PlateZHU Guihe, WAN Youtang, CAO Luqi, PENG Haihong22-24,2710Effect of Vanadium on Hot Deformation Behavior of Low Silicon Containing Phosphorus TRIP SteelHOU Xiaoying25-2711Research on Tuyere Sampling in the Blast Furnace of Laiwu SteelZHOU Xiaohui28-30,3312Microstructure,Mechanical Properties and Strengthening Mechanism of 1000 MPa Grade TRIP SteelWANG Yeqin31-3313Study on the Deformation Extension of Heavy Plate Rolling ProcessMA Xingyun34-3514Coke Quality Prediction in Shenglong Chemical IndustryWANG Fengyan, ZHANG Yongqiang, WANG Chunxia, HAO Gang, ZHANG Dongdong36-37,4115Research on the Influence Factors of Dephosphorization in CaO-SiO2-FeO-P2O5SlagYUAN Linhua, SU Chang, L Ningning38-4116Discussion on Standardization of Pack Rolling Ultra-heavy Steel PlatesSUN Genling, JIANG Xuejun42-4317Systematic Analysis of the SiC and Al2O3 in the Refractory for BF LanderFU Shigang, WANG Junxiu, ZHANG Xiaoyan, WEI Xinhui, WANG Yanqin44-4518Research and Application of High Efficiency Heat Preservation Technology of 230t LadleDIAO Chengmin, LIU Guo46-47,5319Technology Development on Waste Heat Recovery of Little Water Quenching Method for BF SlagQIU Runqiang, XU Zhengpeng48-50,5320Air Quality Control of High-floor Building under Complex EnvironmentWANG Tieyi51-53 