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电感耦合等离子体质谱法测定钕铁硼中铝,钴,铜,镓,锆,铽,钛,铌张立锋1,2,张翼明1,周凯红2(1.内蒙古自治区包头市包头稀土研究院2.内蒙古自治区包头市稀土冶金及功能材料国家工程研究中心)摘 要:建立了电感耦和等离子体质谱法测定钕铁硼中微量元素的方法.通过实验选择了测定质量数,测定Nb,Zr时,选择了氢氟酸加入量,并进行了测定酸度和基体效应实验.考察了以Rh,In,Cs和Tl为内标元素对仪器信号漂移和基体效应的校正,根据实验结果选择Cs为最佳校正内标.各元素测定下限为0.095~0.56 ng/mL,回收率......
Electrochemical Study on the Change in Valency of Niobium Oxide in the MnO-SiO2-Nb2O5 SystemTan Zanlin Wei Shoukun University of Science and Technology Beijing摘 要:<正> Change in valency of Nb-oxide in MnO-SiO2-Nb2O5 system was studied with the electrochemical method using ZrO2 asthe solid electrolyte.Thermodynamic analysis has shown that the only......
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Fabrication of multilayer Nb2O5 nanoporous film by anodization of niobium foilsGuang-Zhong Li,Hui-Ping Tang,Wen-Yan Zhang,Gang Li,Lan-Lan Yu,Ya-Ning LiState Key Laboratory of Porous Metal Materials, Northwest Institute for Nonferrous Metal Research摘 要:Multilayer Nb2O5 nanoporous films were successfully synthesized on Nb surfaces by the control......
Electrochemical performance of aluminum niobium oxide as anode for lithium-ion batteriesQi Wang,Fu-Chi Wang,Xing-Wang ChengSchool of Material Science and Engineering,Beijing Institute of Technology摘 要:AlNbO4,as lithium-ion batteries(LIBs) anode,has a high theoretical capacity of 291.5 m Ah g-1.Here,AlNbO4 anode materials were synthesized through......
Effect of niobium on thermal stability and impact toughness of Nd-Fe-B magnets with ultra-high intrinsic coercivity胡志华1,刘国军2,王会杰21. Department of Materials Engineering,Hubei University of Automotive Technology2. Division of Functional Materials,Central Iron&Steel Research Institute摘 要:The effects of Nb on the thermal stability and impact toughness......
Effect of niobium addition on magnetization reversal behavior for SmCo-based magnets with TbCu7-type structure胡晨宇1,泮敏翔1,吴琼1,葛洪良1,王秀敏1,张朋越11. Magnetism Key Laboratory of Zhejiang Province China Jiliang University摘 要:The effect of Nb addition on the microstructure and magnetic properties of nanocrystalline Sm(CobalNbxZr0.02)7 permanent magnet were......
Effect of niobium alloying level on the oxidation behavior of titanium aluminides at 850°CAlexandra Banu1,Nicolae Ionescu11. Faculty of Engineering and Management of Technological Systems, Politehnica University of Bucharest,Splaiul Independentei 313摘 要:This work addresses the alloying of titanium aluminides used in aircraft engine applications......
Synthesis and Characterization of Indium Niobium Oxide Thin Films via Sol-Gel Spin Coating MethodSaeed Mohammadi1,Mohammad Reza Golobostanfard1,Hossein Abdizadeh1,21. School of Metallurgy... study,niobium-doped indium oxide thin films were prepared by solegel spin coating technique.The effects of different Nb-doping contents on structural,morphological,optical,and electrical properties......