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J. Cent. South Univ. (2020) 27: 3544-3566 DOI: https://doi.org/10.1007/s11771-020-4509-5 Numerical simulation research on response characteristics of surrounding rock for deep super-large section... in deep mining condition. Based on the in-site geological conditions of Longgu coal mine, this paper used the dynamic module of FLAC3D to study the response characteristics of deep super-large section......
Selective dissolution of rare-earth element carbonates in deep eutectic solventsAli Entezari-ZarANDi,Fa??al LarachiDepartment of Chemical Engineering, Université Laval摘 要:Dissolution in choline-chloride based deep eutectic solvents(DES) of rare earth elements(REE) from high-purity single carbonate salts of Y, La, Ce, Nd and Sm and from......
Selective dissolution of rare-earth element carbonates in deep eutectic solventsAli Entezari-ZarANDi,Fa??al LarachiDepartment of Chemical Engineering, Université Laval摘 要:Dissolution in choline-chloride based deep eutectic solvents(DES) of rare earth elements(REE) from high-purity single carbonate salts of Y, La, Ce, Nd and Sm and from......
Liquid Junction DLTS Measurement of Deep Levels in GaAsLuo Maomin Yiangxi Academy of SciencesPeng Ruiwu Shanghai Institute of Metallurgy,Academia Sinica摘 要:deep levels in GaAs than conventional DLTS.关键词:......
Deep Drawing with Local Hardening on Digital Multi-axis Servo PressSebastian Kriechenbauer,Reinhard Mauermann,Dirk Landgrebe摘 要:The paper discusses a new drawing technology, based on a synchronized movement of ram and cushion with multiple bending operations in alternating directions called ‘‘bi-directional deep drawing(BDD).’’ The goal is to avoid......
Effect of deep cryogenic treatment on the properties of 80CrMo12 5 tool steelKamran Amini1,Said Nategh2,Ali Shafyei3,Ahmad Rezaeian31. Department of Materials Engineering Majlesi Branch Islamic Azad..." name="ChDivSummary">The effect of deep cryogenic treatment on the mechanical properties of 80CrMo12 5 tool steel was investigated. Moreover, the effects of stabilization (holding at room temperature......
J. Cent. South Univ. Technol. (2008) 15: 540-544 DOI: 10.1007/s11771-008-0102-z Pump-lockage ore transportation system for deep sea flexible mining system XU Hai-liang(徐海良), YIN Ping-wei(尹平伟... on characteristics of deep sea flexible mining system, a new pump-lockage ore transportation system was designed. According to Bernoulli equation and two-phase hydrodynamics theory, parameters of the new system......
Deep drawing of aluminum alloy 7075 using hot stampingWen-Chao Xiao,Bao-Yu Wang,Yi Kang,Wei-Ping Ma,Xue-Feng TangSchool of Mechanical Engineering, University of Science and Technology Beijing摘 要:In this paper, simulations of deep drawing tests at elevated temperatures were carried out with experimental validation. The aim of this work was to study......
Comparison of deep desulfurization methods in alumina production processLIU Zhan-wei(刘战伟)1, 2, LI Wang-xing(李旺兴)3, MA Wen-hui(马文会)1, 2, YIN Zhong-lin(尹中林)3, WU Guo-bao(武国宝)3(1. Faculty...:Several methods of deep desulfurization in alumina production process were studied, and the costs of these methods were compared. It is found that most of the S2- in sodium aluminate solution can......
be 0.5 when the x could be set any values, which agrees well with previous published work [22, 23]. 5 Sensitivity analysis and discussions 5.1 Effects of parameters During the construction of deep tunnel... J. Cent. South Univ. (2019) 26: 1820-1829 DOI: https://doi.org/10.1007/s11771-019-4136-1 Catastrophe analysis of deep tunnel above water-filled caves ZHANG Rui(张睿) Department of Civil......