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| 1 | Investigations of Inclusion Modification in High Grade Pipeline Steel显示文摘SiCa line was injected into liquid pipeline steel at the end of LF refining as calcium treatment, and samples were taken from liquid steel in ladles before and after calcium treatment, liquid steel in mould, and slabs. Results show that Ca content in steel decreased obviously after calcium treatment with production, and the compositions, morphologies and sizes of inclusions in steel also varied with time; Al2O3 inclusions turned to be fine irregular CaS-CaO-Al2O3 compound inclusions after calcium treatment, and then to be fine globular CaO-Al2O3 inclusions in mould, and finally changed to be a few larger irregular CaS-CaO-Al2O3 complex inclusions in slabs; reoxidation of molten steel treated by Ca deteriorates effect of calcium treatment. Thermodynamic study revealed that inclusion variations were related with preferential reactions among Ca, Al2O3 and S and precipitation of S in high sulfur capacity CaO-Al2O3 inclusions. New calcium treatment controlling rules were put forward according to the inclusion variations and requirements of pipeline on inclusion controlling. | LIU Jian-hua1, BAO Yan-ping1, WANG Ming2, REN Yi2, ZHANG Shuai2, WANG Shuang2 (1. Institute of Metallurgical Engineering, University of Science and Technology Beijing, Beijing 100083, China 2. Technology Center of ANSC, Angang Steel Company Limited, Anshan 114001, Liaoning, China) | 2011 | Journal of Iron and Steel Research(International)2011，18，S2： | 1 |
| 2 | Can China's Growth be Sustained? A Productivity Perspective 显示文摘 | Jinghai Zheng Arne Bigsten and Angang Hu | 2009 | World Development2009，37，4： | 1 |
| 3 | Is China the Root Cause of Global Deflation?显示文摘The so-called' China exporting deflation”theory has been popular in the international businesscommunity recently. For example,international businessmagazines such as Us-based Business Week and Britainbased The Economist have discussed the topic of global deflation,in which the impact of floods of low- | Hu Angang, Director, Centre for China Study, Chinese Academy of Sciences and Tsinghua University. | 2003 | China & World Economy2003，11，3： | 1 |
| 4 | The Administrative Monopoly in China's Economic Transition显示文摘 | Yong Guo and Angang Hu | 2004 | Communist and Post-Communist Studies2004，37，2： | 1 |
| 5 | Process Analysis and Practice of Clean IF Steel Production显示文摘Based on the current process and equipment conditions of No.3 steelmaking and continuous rolling plant, which consists of desulphurization and slag skimming of hot metal, 260t combined blown BOF, rimmed steel tapping with slag stopping process, RH-TB vacuum treatment process and medium thin slab continuous casting, the methods for improving cleanliness of IF steel in BOF smelting, RH vacuum treatment and continuous casting were investigated. According to results of theoretical analysis and experiments, a series of quality controlling schemes were proposed for improving cleanliness of IF steel via controlling chemical composition, T[O] content, tapping temperature, shrouded casting and controlling stability of continuous casting. | TIAN Yong, AN Lian-qi, JIAN Long, MAO Zhi-yong, GUO Meng, WANG Peng, LI Zhen, WEN Tie-guang ( No.3 Steelmaking and Continuous Rolling Plant, Angang Steel Co Ltd, Anshan, 114021,Liaoning,China ) | 2011 | Journal of Iron and Steel Research(International)2011，18，S2： | 0 |
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