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Review of Rare Earths and Fluid-Rock Interaction 刘丛强1,凌其聪1 (1.Laboratory for Study of the Earth′s Interior and Geofluids, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002... and the controlling factors of RE partitioning between hydrothermal minerals and fluids. It was demonstrated that RE mobility is a potentially useful method for exploration. Key words:rare earths; REE......
Room-Temperature Mechanical Properties of Rare Earths Reinforced MoSi2 Material 张厚安1,刘心宇2 (1.Department of Mechanical Engineering and Automation, Xiangtan Polytechnic University,;2.Department.... Their room-temperature properties such as bending strength, fracture toughness and electric conductivity were measured. The results show that rare earths have better strengthening and toughening effects......
Rare Earths and Magnetic Refrigeration Vitalij K Pecharsky1,Karl A Gschneidner, Jr.1 (1.Materials and Engineering Physics Program, Ames Laboratory, and Department of Materials Science... permanent magnets; active magnetic regenerator cycle; rare earths; [全文内容正在添加中] ......
used in various fields from analytical chemistry to hydrometallurgy. A representative ore sample obtained from Kadabora Batholiths-Eastern Desert of Egypt, containing the multiple oxides rare earth... for the extraction of rare earths (cerium and yttrium) from the sulfate leach liquor using 8,9-dihydro[1,2,4]triazolo[1,5-a]quinazolin-6(7H)-one {TQ} dissolved in methylene chloride. Stripping was carried out by 20......
Influence of Rare Earths on Contact Fatigue of Rail Steels ZHU Gui-lan1,MA Teng1 (1.Department of Physics, Central Iron and Steel Research Institute, Beijing 100081, China) Abstract:Rail/wheel... electron microscope and Vickers hardness respectively. The experimental results show that rare earths are able to delay the initiation and the propagation of fatigue cracks and postpone the surface......
Study on Physical and Chemical Behaviors of Rare Earths in Preparing Ceramic Tube Supported Palladium Film by Electroless Plating Peng Jian1,Jiang Boquan1,Ye Zhiqiang1 (1.School of Environmental and Chemical Engineering, Nanchang University, Nanchang 330029, China) Abstract:The rare earths of ytterbium, lanthanum, praseodymium, neodymium and their binary mixtures were respectively added......
; Abstract: Golden yellow rare earths chemical conversion coating was obtained on the surface of magnesium alloy by immersing in cerium sulfate solution. The corrosion... kinds of element Ce and O, the valences of cerium are +3 and +4, and OH- exists in the coating. The anti-corrosion property of magnesium alloy is increased obviously by rare earths conversion coating......
Effects of Rare Earths on Properties of Ti-Zr-Cu-Ni Base Brazing Filler Alloys Ma Tianjun1,Qu Ping1,KANG Hui1,Wu Yongqin1 (1.School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100083, China) Abstract:The effects of the addition of rare earths on the properties of Ti-Zr-Cu-Ni base brazing filler alloys and the mechanical microstructure......
Effect of Rare Earths on Corrosion Resisting Properties of Carbon-Manganese Clean Steels 林勤1,孙学义1,郭锋1 (1.Physical Chemistry Department,University of Science and Technology Beijing,Beijing 100083,China) Abstract:Electrochemistry experiments were made on carbon-manganese clean steel with rare earths Ce and La respectively to observe corrosion parameters such as corrosion current icorr......
:In this paper, the recent advance of processes for treating Baotou mixed-type rare earths concentrate, bastnasite, and ionic adsorption deposit in China was reviewed. The R & D circumstance and new progresses... for improving the stability and the consistency of the products, and to pay more attention to protection of environment. Key words:rare earths hydrometallurgy; separation and purification; [全文内容正在添加中] ......
