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Thermogravimetric Study on Oxygen Adsorption/Desorption Properties of Double Perovskite Structure Oxides REBaCo2O5+δ (RE= Pr, Gd, Y) Zheng Lu1,Wang Yingfang1,Hao Haoshan1,Liu Shijiang1,Hu Xing1 (1.School of Physical Engineering and Material Physics Laboratory, Zhengzhou University, Zhengzhou 450052, China) Abstract:The oxygen adsorption/desorption properties of double perovskite structure......
in oxygen bottom blowing smelting process GUO Xue-yi1, 2, WANG Shuang1, WANG Qin-meng1, YAN shu-yang1, TIAN Qing-hua1, 2 (1. School of Metallurgy and Environment, Central South University, Changsha... Schematic diagram of smelting furnace in oxygen bottom blowing[12] 本实验中主要研究底吹熔池熔炼过程气泡生长行为,假设初始状态时熔池为静止的,暂时忽略化学反应,也不忽略加料和放铜锍,渣对熔池的扰动,以及壁面的散热.为了精简计算,分析时选用底吹炉横截面进行数值模拟研究,其它边界条件,物性参数均与基本工况相同,具体模型如图2所示......
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Effect of Rapid Thermal Process on Oxygen Precipitates in Heavily Sb-Doped Silicon Wafer Xu Yuesheng1,Hao Qiuyan1,Teng Xiaoyun1,Liu Caichi1,Zhao Liwei1,Sun Shilong1 (1.Institute of Information Functional Materials, Hebei University of Technology, Tianjin 300130, China) Abstract:Oxygen precipitates in heavily Sb-doped silicon after rapid thermal process (RTP) in Ar ambient were investigated......
, Abu Dhabi, UAE)Abstract:The central composite process optimization was performed by response surface methodology technique using a design for the treatment of methyltin mercaptide with modified semi... the chemical oxygen demand (COD) and -N in the methyltin mercaptide industrial effluent. The process variables considered for process optimization are the semi-coke dosage, adsorption time and effluent pH......
,渣样主要由冰铜相,磁铁矿相,铁橄榄石相和玻璃体相组成,熔炼内的氧势和硫势分布有利于反应的进行,能有效抑制Fe3O4的形成以及降低渣含铜. 关键词:铜熔炼;氧气底吹;熔炼机理;氧势;硫势;熔炼产物;微观分析 中图分类号:TF811 文献标志码:A Mechanism of copper smelting process by oxygen..., Central South University, Changsha 410083, China; 2. Dongying Fangyuan Nonferrous Metal Co., Ltd., Dongying 257091, China) Abstract: The theoretical analysis and verification by water modeling experiment......
Studies on Oxygen Characteristics of YBa2Cu3O7-x and Its Applications to Air Separation and Gas Purification Guo Yiqun1,Gao Zhishuang2,Lu Hongxia2,Yang Delin2,Mo Jiong2,Hu Xing2 (1.Department..., China) Abstract:Oxygen diffusion and oxygen selective adsorption properties of rare earths material YBa2Cu3O7-x (YBCO) were investigated by thermogravimetric, oxygen static adsorption......
on structure and pyrolysis characteristics of coal with acid-alkali method XIAO Jin, LI Fachuang, DENG Songyun, ZHONG Qifan, LAI Yanqing, LI Jie (School of Metallurgy and Environment, Central South...]. 中南大学学报(自然科学版), 2013, 44(5): 2008-2013. ZHANG Weiqing, JIANG Shuguang, WU Zhengyan, et al. Influence of ionic liquids treatment on micro activity structure of coal[J]. Journal of Central South......
J. Cent. South Univ. (2020) 27: 975-996 DOI: https://doi.org/10.1007/s11771-020-4347-5 Geosciences in Central South University: A state-of-the-art review GUO Zhen-wei(郭振威), LAI Jian-qing(赖健清... and Info-Physics, Central South University, Changsha 410083, China Central South University Press and Springer-Verlag GmbH Germany,part of Springer Nature 2020 Abstract: In recent decades, colleagues......
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