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Application of direct laser metal tooling for AISI H13 tool steel Hee-Jin JEONG1, Yoong-Ho JUNG2, Deug-Woo LEE3 1. Gyeongbuk Hybrid Technology Institute, Gyeongbuk, 770-170, Korea; 2. School of Mechanical Engineering, Pusan National University, Busan, 609-735, Korea; 3. Department of Nanosystem and Nanoprocess Engineering, Pusan National University, Busan, 609-735, Korea Received 2 March......
Effect of dolomite on reduction swelling property of iron ore pelletsXU Bin(许斌), HOU Tong(侯通), CHEN Xu-ling(陈许玲), LI Qian(李骞), JIANG Tao(姜涛), LI Peng(李鹏) (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China)Abstract:The effect of various dosages of dolomites on the reduction swelling property of iron ore pellets was studied. Experimental results......
direct oxidation and oxygen reduction in sodium hydroxide electrolyte: Part Ⅰ. BH4- electro-oxidation on Au and Ag catalysts[J]. Electrochim Acta, 2006, 51(25): 5459-5467. [11] CHENG H, SCOTT K...; 文献标志码:A Performance of AuPd/C as anode catalyst of direct NaBH4-H2O2 fuel cell WANG Hong, WANG Xian-you, HE Pei-ying, YI Lan-hua, PEI Fu, LONG Wang-mei, LI Jiao-jiao (Key Laboratory......
. The composite additive can promote the growth of ferro-nickel grains, enhance the separation process and improve the recovery of Ni and Fe. Key words: saprolite laterite; direct reduction; composite... nickel laterite ore by direct reduction roasting and magnetic separation[J]. Journal of University of Science and Technology Beijing, 2010, 32(6): 708-712. [10] 石清侠, 邱国兴, 王秀美. 红土镍矿直接还原富集镍工艺研究[J]. 黄金......
of the zeta potential. According to colloid chemistry and lots of experiments, this can be achieved by adding surfactants. Nonionic complex surfactant was used as megasonic cleaning solution, and the adsorptive state of particle on Si wafers was effectively controlled. The efficiency and effect of megasonic particle removal is greatly improved. A perfect result is also obtained in wafer cleaning. Key......
of smelting vanadium titanomagnetite in the direct reduction-electric furnace process [J]. Metals, 2016, 6(5): 107–121. [17] PIMENTA H P, SESHADRI V. Characterisation of structure of iron ore sinter... J. Cent. South Univ. (2019) 26: 132-145 DOI: https://doi.org/10.1007/s11771-019-3988-8 Effects of basicity and temperature on mineralogy and reduction behaviors of high-chromium vanadium-titanium......
Effect of low frequency electromagnetic field on microstructures and macrosegregation of horizontal direct chill casting aluminum alloy ZHAO Zhi-hao(赵志浩), CUI Jian-zhong(崔建忠), DONG Jie(董 杰... of low frequency electromagnetic field on cast surface, microstructures and macrosegregation in horizontal direct chill(HDC) casting process were investigated experimentally. The cast surfaces......
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......
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......
: This paper addresses a unified approach of the PID controller design for low as well as high order unstable processes with time delay. The design method is based on the direct synthesis (DS) approach... reference model in the DS scheme. The direct synthesis controller has been approximated to the PID controller using the frequency response matching method. A consistently better performance has been......