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J. Cent. South Univ. (2016) 23: 44-51 DOI: 10.1007/s11771-016-3047-7 Numerical simulation of chemical vapor deposition reaction in polysilicon reduction furnace XIA Xiao-xia(夏小霞)1, 2, WANG Zhi-qi(王志... Central South University Press and Springer-Verlag Berlin Heidelberg 2016 Abstract: Three-dimensional model of chemical vapor deposition reaction in polysilicon reduction furnace was established......
are the primary phases. Partial Al impurity is detected also in the alloy, existing in the form of V5Al8. Fig. 6 XRD pattern of alloy obtained by metallothermic reduction method Figure 7 and Table 5 show... Trans. Nonferrous Met. Soc. China 22(2012) 1507-1512 Preparation of V-Ti-Fe master alloys by metallothermic reduction method WANG Bin1, LIU Kui-ren1, CHEN Jian-she1, GAO Teng-yue1, HE Ji-lin2 1......
J. Cent. South Univ. Technol. (2010) 17: 1310-1319 DOI: 10.1007/s11771-010-0636-8 Multi-label dimensionality reduction based on semi-supervised discriminant analysis LI Hong(李宏), LI Ping(李平), GUO... algorithm called multi-label dimensionality reduction via semi-supervised discriminant analysis (MSDA) was proposed. It was expected to derive an objective discriminant function as smooth as possible......
成氮化铝.通过热力学计算得到的反应平衡温度与实验得到的氮化铝开始生成温度相吻合. 关键词: 氧化铝;碳热还原反应;氮化铝; 中图分类号: TQ174 收稿日期:1999-11-23 Mechanism and thermodynamics of carbothermal reduction of alumina Abstract: The aluminum nitride synthesized by mechano-chemical activation from carbothermal reduction (CTR) of alumina was investigated. Based on the experimental results, a new mechanism......
J. Cent. South Univ. (2021) 28: 1279-1290 DOI: https://doi.org/10.1007/s11771-021-4696-8 ZIF-67 derived CoSx/NC catalysts for selective reduction of nitro compounds ZHANG Guang-ji(张广吉)1, TANG Fei... possesses higher degree of S defects and larger specific surface areas, can achieve high conversion, selectivity and stability for catalytic reduction of nitro compounds into amines under mild reaction......
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Reinforcement strength reduction in FEM for mechanically stabilized earth structuresXUE Jian-feng(薛剑峰)1, 2, CHEN Jian-feng(陈建峰)1(1. Key Laboratory of Geotechnical and Underground Engineering... stabilized earth (MSE) structures can be analyzed either using limit equilibrium method (LEM) or strength reduction method (SRM) in finite element/difference method. In LEM, the strengths......
J. Cent. South Univ. (2021) 28: 1305-1315 DOI: https://doi.org/10.1007/s11771-021-4698-6 Porous layered La0.6Sr0.4Co0.2Fe0.8O3 perovskite with enhanced catalytic activities for oxygen reduction XU... sol-gel method (5.08 m2/g). The oxygen reduction reaction activity of the oxide in 0.1 mol/L KOH solution was studied using a rotating ring-disk electrode. In the tests, the initial potential of 0.88......
Preparation of copper nanoparticles by chemical reduction method using potassium borohydride ZHANG Qiu-li(张秋利)1, YANG Zhi-mao(杨志懋)2, DING Bing-jun(丁秉钧)2, LAN Xin-zhe(兰新哲)1, GUO Ying-juan(郭莹娟)1... by chemical reduction method using potassium borohydride as reducing agent. The effects of reactant ratio, concentration of CuSO4, reaction temperature, and dispersant on the size of product and conversion......
J. Cent. South Univ. Technol. (2008) 15: 20-24 DOI: 10.1007/s11771-008-0005-z Resistance optimization of flexes in aluminum reduction cells LI Jie(李 劼), LIU Jie(刘 杰), LIU Wei(刘 伟... connecting with the cathode bus bar in aluminum reduction cells were generalized as three modes. In each mode the universal method to select proper resistivity of the flexes was induced respectively to insure......
