1Steel-making Process Study on High Quality 42CrMo4 Steel for Main ShaftAN Longsen, YANG Kaibin, GUO Fu, CHEN YunProduction Technology1-22Study on Surface Inclusion Control of Ultra Low Carbon Interstitial Free Atomic SteelWANG Jiaming, JIA Guojun, WANG Xiaofei, WEI JianhengProduction Technology3-53Continuous Casting and Extrusion Process for the Production of Aluminum Strontium Alloy Wire RodBIAN Jintao, ZHANG Haijun, GU YuProduction Technology6-7,104Causes and Control of Mold Level Fluctuation in Billet Continuous CastingLI Hao, LI XinProduction Technology8-105Cause Analysis of Unqualified Reduction of Area of Q390D-Z25 Steel PlateQI Minxiang, ZHONG Yangyang, YAN ZhenglinProduction Technology11-126Effect of Notch Processing on Properties of Impact SpecimensTIAN GuangmingProduction Technology13-147Causes and Solutions of Leg Micro-crack for Q420B Angle SteelZHANG Jun, LIN Yun, ZHAO ChangzhongProduction Technology15-168Analysis on Influencing Factors of Coke Thermal Strength TestHUANG Jifa, HUANG Lejian, LIU WeiTest Research17-189Influence of Coal Sample Weighing on Determination Result of Adhesion IndexLI Kun, ZHANG YanyanTest Research19-20,2310Determination of Eight Minor Elements in Al Si Refractories by Acid Melting ICP-AESMENG LiliTest Research21-2311Determination of Iron and Ferrous Oxide in Metallized Spheres by Iron Trichloride Potassium Dichromate TitrationXING Wenqing, ZHANG Shihuan, HUANG Hesheng, SHANG CongyaTest Research24-2712Determination of Niobium in Ferroniobium by X-ray Fluorescence Spectrometry with Fusion Sample PreparationZHANG Yanxin, GAO LijieTest Research28-3013Method Optimization of Online Analysis of High Carbon Chromium Nickel Pig Iron by X-ray Fluorescence SpectrometryLU Fei, ZHAO Xiaoqin, LIU AikunTest Research31-3514Influence of Surface Roughness of Medium and Low Alloy Steel on Precision of Five Main Elements AnalysisYANG Yalong, LU Jie, WANG Li, HE Xiaoqin, YANG YaruTest Research36-3815Nitrogen Test in Cr5 Alloy Steel by Spark Source Atomic Emission SpectroscopyTAI GuoqiTest Research39-40,4516Determination of Nitrogen Content in Ferroalloy by Inert Gas Melting Thermal Conductivity Method Calibrated with Reference Potassium NitrateSHANG Ying, ZHANG Bin, WANG Binguo, ZHANG Gaimei, ZHAO JingTest Research41-42,4517Rapid Determination of Chemical Analysis of Metallurgical Quicklime by X-ray Fluorescence SpectrometryHE Chungen, YU Wenqiang, GONG LinaTest Research43-4518Analysis of Factors Influencing Fluctuation of Coal's Hasleian Grindability IndexGONG Daomin, YU ZhenTest Research46-4719Determination of Silicon in High Carbon Ferrochromium by ICP-AESGU ZhanliangTest Research48-4920Evaluation of Uncertainty for Determination of Antimony Content in Zinc Ingot by ICP-OESGENG Lijun, ZHANG Bing, HUO Xinzhou, DONG NanaTest Research50-51,54 