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Kinetics of reductive leaching of manganese oxide ore using cellulose as reductantWU Fang-fang(武芳芳)1, 2, ZHONG Hong(钟宏)1, 2, WANG Shuai(王帅)1, 2, LAI Su-feng(赖素凤)1, 2(1. College of Chemistry..., China)Abstract:The kinetics of reductive leaching of manganese from a low-grade manganese oxide ore were studied using cellulose as reductant in dilute sulfuric acid medium. It was found that when......
Effect of Cobalt on HDDR Anisotropic NdFeB 王润1,张正义1,肖耀福1,岳明1,刘旭波1 (1.School of Material Science & Engineering, University of Science & Technology Beijing, Beijing 100083, China) Abstract:The effect of cobalt on the magnetic properties and anisotropy of HDDR anisotropic NdFeB was studied. It is found that Co is helpful for preparing anisotropic NdFeB with high coercivity. The research......
Formation of unidirectional nanoporous structures in thickly anodized aluminum oxide layer Hyun-Chae NA1, Taek-Jin SUNG1, Seok-Heon YOON1, Seung-Kyoun HYUN1, Mok-Soon KIM1, Young-Gi...; Abstract: A series of anodic aluminum oxide(AAO) was grown on the commercially pure 1050......
Article ID: 1003-6326(2005)03-0600-06 Characterization of oxide films formed on magnesium alloys using bipolar pulse microarc oxidation in phosphate solutions WANG Li-shi(王立世... morphology and chemical composition of the oxide films formed on pure magnesium and AZ91D alloy in aqueous electrolytes which contained sodium hexafluorinealuminate(Na3AlF6), potassium hydroxide (KOH......
residues in the subsequent pressure acid leaching process. Key words: dechromization; dealumination; kinetics; Na2CO3-roasting pretreatment; laterite ore; nickel; cobalt 1 Introduction The superior... technologies for lateritic Ni [1]. Of all the land Ni reserves, 30% exists as sulfide ores with the balance comprised of oxide ores [2]. The oxide ores account for about 40% of the world’s Ni......
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Sealing Glass of Barium-Calcium-Aluminosilicate System for Solid Oxide Fuel Cells Sun Kening1,Zhang Naiqing1,Zhou Derui1,Piao Jinhua1,Chen Xinbing1 (1.Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, China) Abstract:Glass-ceramic materials were developed as a sealant in the solid oxide fuel cell (SOFC) in the temperature range of 800~850 ℃. The glass materials......
and Technology, Xiangtan 411201, China)Abstract:As dimensions of the metal-oxide-semiconductor field-effect transistor (MOSFET) are scaling down and the thickness of gate oxide is decreased, the gate leakage... in lightly-doped drain (LDD) NMOSFET with 1.4 nm gate oxide fabricated by 90 nm complementary metal oxide semiconductor (CMOS) process was studied in depth. High-precision semiconductor parameter analyzer......
Extraction studies of cobalt (Ⅱ) and nickel (Ⅱ) from chloride solution using PC88A LUO Lin(罗 琳)1, WEI Jian-hong(魏建宏)1, WU Gen-yi(吴根义)1, F. TOYOHISA2, S. ATSUSHI3 1. College of Resources...; Abstract: Solvent extraction study of cobalt and nickel were carried out from a chloride solution......
In vitro biocompatibility of titanium-nickel alloy with titanium oxide film by H2O2 oxidation HU Tao(胡 涛)1, CHU Cheng-lin(储成林)1, YIN Li-hong(尹立红)2, PU Yao-pu(浦跃朴)2, DONG Yin-sheng(董寅生)1, GUO Chao...; Abstract: Titanium oxide film......
