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, Changsha 410083, China) Abstract: The solubility behavior of mineral surface ions and effects of Ca2+ on flotation of ilmenite and titanaugite were investigated. The results show that the addition of Ca2... and precipitation of hydroxide of Ca2+. Key words: ilmenite; titanaugite; calcium ion; flotation; dissolution 长期以来,人们对攀枝花钛铁矿的浮选问题如粒度大于19 μm的磁选粗精矿浮选工艺流程改进,新药剂开发等方面进行了大量研究[1-2].随着选钛原矿的细化,粒度小于19 μm的矿物含量增多,针对该粒级钛铁矿开......
was studied. The effect of magnetic field density on the growth behavior of the intermetallic layer such as microstructure, crystal orientation and composition was analyzed by scanning electron... on the layer composition. This phenomenon can be attributed to the role of thermo-electromagnetic convection and Lorentz force on the Cu dissolution as well as the accumulation of Cu solute at the interface......
]. 长沙: 中南大学化学化工学院, 2011: 4-11.DING Zhiying. Study on the dissolution behavior of oxidized zinc ores in ammoniacal solution[D]. Changsha: Central South University. College of Chemistry and Chemical...; 文献标志码:A 文章编号:1672-7207(2015)09-3167-09 Dissolution kinetics of quartz in bioleaching system......
Trans. Nonferrous Met. Soc. China 25(2015) 1648-1656 Analysis and modeling of alumina dissolution based on heat and mass transfer Shui-qing ZHAN1, Mao LI1, Jie-min ZHOU1, Jian-hong YANG2, Yi-wen... Received 25 May 2014; accepted 28 August 2014 Abstract: A comprehensive heat and mass transfer model of dissolution process of non-agglomerated and agglomerated alumina particles was established......
Dissolution kinetics of low grade complex copper ore in ammonia-ammonium chloride solution LIU Wei(刘 维), TANG Mo-tang(唐谟堂), TANG Chao-bo(唐朝波), HE Jing(何 静), YANG Sheng-hai(杨声海),YANG Jian-guang(杨建.... The activation energy obtained was variable with both total ammonia concentration and temperature. The leaching behavior had first-order dependence on the concentration of ammonium carbonate. PAUL......
Grain Growth Behavior in Sintered Nd-Fe-B Magnets Zhou Shouzeng1,Liu Xianglian2 (1.State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China;2.School of Mechanical Engineering, Ningbo University of Technology, Ningbo 315016,China) Abstract:The Nd2Fe14B grain growth behavior in sintered Nd-Fe-B magnets was quantitatively......
-glass interface[J]. Journal of Physical Chemistry C, 2010, 114(30): 13083-13091. [22] LI Yuan-xing, LENG Xue-song, CHENG Sheng, YAN Jiu-chun. Microstructure design and dissolution behavior between...点拉伸断裂性能的影响[J]. 中国有色金属学报, 2007, 17(12): 1936-1942. JU Guo-kui, WEI Xi-cheng, SUN Peng, LIU Jian-ying. Effects of interfacial IMC on tensile fracture behavior of Sn-0.3Ag-0.5Cu solder joints on copper......
of phosphoric acid molecules owing to the elevated temperature. Key words: rare earth elements; phosphoric acid; dissolution behavior; rare earth phosphates; temperature 1 Introduction To achieve...Trans. Nonferrous Met. Soc. China 28(2018) 2375-2382 Dissolution behaviors of rare earth elements in phosphoric acid solutions Sheng-xi WU1,2, Long-sheng ZHAO1, Liang-shi WANG1, Xiao-wei HUANG1, Jin......
J. Cent. South Univ. (2017) 24: 335-340 DOI: 10.1007/s11171-017-3435-2 Dissolution kinetics of copper from multi-metal copper alloy roasted in oxygen LU Wei-hong(卢伟红), YIN Zhou-lan(尹周澜), DING Zhi... in the alloy and so on. BURZYNSKA et al [10] showed that anodic dissolution in the ammonocial solution could be a suitable method for the separation of Cu-Co-Fe alloys. The high-copper (90%) alloys......
节并非Nb或Ni原子的长程扩散过程, 而为δ相分解的界面反应过程. 关键词: Inconel 718合金; 溶解动力学; 控制环节; 扩散; 界面反应 中图分类号: TG132.3 文献标识码: A Dissolution kinetics of δ phase in Inconel 718 alloy CAI Da-yong, ZHANG Wei-hong, LIU Wen-chang, YAO Mei (State Key Laboratory of Metastable Materials Science and Technology,Yanshan University, Qinhuangdao 066004, China) Abstract: The dissolution kinetics and microstructures evolution of δ......
