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• Porous layered La_0.6Sr_0.4Co_0.2Fe_0.8O₃ perovskite with enhanced catalytic activities for oxygen reduction

  来源： 《中南大学学报(英文版)2021年第5期》——陈哲钦 许位来 徐志峰 谌田雨 钟晓聪 谢永敏 谢小云 刘嘉铭 王瑞祥

  , a counter electrode (Pt wire), and a reference electrode (Ag/AgCl, 3.0 mol/L NaCl). The electrolyte was 0.1 mol/L potassium hydroxide (KOH) solution, which was saturated with O2 for at least 30 min prior......

• 离子型稀土尾矿的氨氮淋洗去除

  来源： 《中国有色金属学报2021年第5期》——秦磊 胡世丽 宋晨曦 王观石 卢加程 尹升华

  tailings[J]. Chinese Journal of Environmental Engineering, 2019, 13(4): 969-976. [16] LUMBANRAJA J, EVANGELOU V P. Adsorption- desorption of potassium and ammonium at low cation concentrations in three......

• 高浓度锌离子对酸性体系中闪锌矿可浮性的影响

  来源： 《中国有色金属学报(英文版)2021年第7期》——邱廷省 李国栋 李晓波 严华山 刘晨

  sphalerite [J]. International Journal of Mineral Processing, 2006, 78(4): 231-237. [14] YURI M, ANTON K,YEVGENY T, ANDREY S. Interaction of sphalerite with potassium n-butyl xanthate and copper sulfate......

• X含量对W-X合金微观组织与性能的影响

  来源： 《中国有色金属学报2021年第7期》——刘文扬 黄宇峰 蔡青山 段欣昀 张勇 刘文胜 马运柱

  , 2010, 62(1): 55-57. [10] NOGAMI S, HASEGAWA A, FUKUDA M, et al. Tungsten modified by potassium doping and rhenium addition for fusion reactor applications[J]. Fusion Engineering and Design, 2020, 152......

• Microwave hydrothermal synthesis, characterization and excellent uranium adsorption properties of CoFe₂O₄@rGO nanocomposite

  来源： 《中南大学学报(英文版)2021年第7期》——易兵 伍水生 兰东辉 张晓文 黄毅 邓兴红 区泽棠

  graphite (Alfar Aesar), uranium standard solution (100 μg/mL, Beijing Institute of Chemical Industry and Metallurgy), potassium permanganate (KMnO4), iron (III) chloride hexahydrate (FeCl3·6H2O......

• DMI-LiNO₃溶剂化离子液体的物理化学性质及其在室温电沉积钕中的应用

  来源： 《中国有色金属学报(英文版)2021年第8期》——刘爱民 姚宇 郭梦霞 刘玉宝 石忠宁 刘风国 胡宪伟 何文才 王兆文

  using the fixed conductivity cell method by employing an LCR meter (Agilent 4263B; Agilent Technologies, Palo Alto, USA), which was calibrated using a standard potassium chloride solution (1 mol......

• Review of micromachining of ceramics by etching

  来源： 《中国有色金属学报(英文版)2009年增刊第1期》——H. T. TING K. A. ABOU-EL-HOSSEIN H. B. CHUA

  ; and anisotropic etching that will only etch at selective direction. The most popular anisotropic etchant is potassium hydroxide (KOH) and it is the safest to use. In MEMs industry, complicated design is always... not fully deprocess the die to substrate where crystalline defects may be covered by the oxide. 152 Secco etchant consists of hydrofluoric acid and potassium dichromate, and its compositions are 67......

• 具有高浸出稳定性臭葱石的合成、原位包覆及表征

  来源： 《中国有色金属学报(英文版)2019年第4期》——柯平超 刘志宏

  experiments to choose an appropriate neutralizing agent. Agents such as sodium hydroxide, potassium hydroxide, sodium bicarbonate, and calcium oxide were investigated, and the results showed that these agents were insufficient as they had some shortcomings. Sodium hydroxide, potassium hydroxide, and sodium bicarbonate led to rapid Fe(III) hydrolysis, forming a large amount of ferric (hydr)oxide......

• 从工业热浸镀锌灰中湿法回收锌

  来源： 《中国有色金属学报(英文版)2020年第8期》——Ewa RUDNIK

  hydrolysable metal cations like Fe3+ and Al3+ of high concentrations. In such cases, complexing agents like EDTA, DCTA, their calcium and magnesium salts or reduction of Fe3+ to Fe2+ with potassium iodide......

• 广西龙头山金矿载金黄铁矿地球化学特征

  来源： 《中国有色金属学报2017年第6期》——陶诗龙 赖健清 张建东 钱丽华 胡理芳 曹蓉 游琲 黄冲 李廖辉 黄锐 梁崇高

  "乱",可能反映该阶段成矿流体具有多来源的特征,这也与本项目组包裹体研究结论一致[9]. 图10  蚀变长石镜下特征(-, +) Fig. 10  Microphotographs of altered feldspar (-, +) Co,Ni和As是黄铁矿中较常见的微量元素,Co和Ni可类质同象替换Fe,其中CoS2与FeS2可形成连续固溶体,NiS2与FeS2形成不连续......