氧化钕
- 网络Neodymium Oxide
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采用等离子光谱仪测定质量分数99%~9997%氧化钕中14个稀土杂质,选择了仪器的最佳工作条件。
A ICP-AES method for the determination of 14 rare earth impurities in neodymium oxide has been developed .
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金属钕工业生产中氧化钕利用率的探讨
Approach to Utilization Rate of Neodymium Oxide in Producing Metallic Neodymium
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ICP-AES法直接测定金属钕、氧化钕中的稀土和非稀土杂质元素
Direct Determination of Rare Earth and Non-Rare Earth Impurity Elements in Nd and Nd_2O_3 by ICP-AES
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该氢氧化钕纳米线在空气气氛下500℃烧结后形成具有体心立方结构的C型Nd2O3,该Nd2O3仍具有一维纳米线形貌。升高焙烧温度时产物的形貌和相结构都发生了明显变化。
After the calcination of neodymium hydroxide nanowires at 500 ℃ in air , the C-type neodymium oxide nanowires with bcc structure were obtained .
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这种方法与单纯草酸沉淀法相比,草酸单耗下降0.32kg/(kg氧化钕),且氧化钕收率提高0.8%,降低了氧化钕成本。
While using the former precipitating agent , the consumption of oxalic acid can decrease 0.32 kg / ( kg Nd 2O 3 ), the yield of Nd 2O 3 can increase 0.8 % and the manufacture cost of the product can also be lowered .
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草酸沉淀法制备氧化钕工艺研究
Study on the preparation of neodymium oxide by oxalic acid precipitation
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纳米氧化钕和氢氧化镁晶须的制备及其性能研究
Preparation and Application of Nano-Neodymium Oxide and Magnesium Hydroxide Whisker
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氧化钕填充聚丙烯的等温结晶动力学研究
Study on dynamics of isothermal crystallization of neodymia filled polypropylene
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不同结构形态的纳米氢氧化钕的Nd~(3+)增强电子拉曼光谱的研究
Enhanced Electronic Raman Spectra of Different Morphologic Neodymium Hydroxides
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所分析的香烟含氟量((?)氧化钕电解的阴极过程及钕的溶解行为
Cathodic Process in Electrolysis of Neodymium and Its Behavior in Molten Fluoride Salts
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关于用钕铁硼永磁废料回收氧化钕的工艺研究
Study on process of recovering neodymium oxide from the Nd-Fe-B permanent magnet scraps
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氧化钕改性云母钛光干涉颜料的制备及表征
Preparation and Characterization of the Mica Titanium Optical Interferential Pigment Coated by Nd_2O_3
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从钕铁硼磁体废料制取氧化钕的研究
Study on recovery neodymium oxide from waste Nd-Fe-B material
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利用钕铁硼废料制备氧化钕
Preparation of Neodymium Oxide from Waste Nd-Fe-B Material
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稀土氧化钕填充尼龙6体系的流变行为研究
Rheological Behavior of Neodymium Oxide Filled Nylon 6
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氧化钕填充尼龙6的结晶行为
Crystallizing Behaviour of Neodymium Oxide-Filled Nylon 6
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以硝酸钕和碳酸铵为原料,用直接沉淀法制备纳米氧化钕。
Nano-sized neodymium oxide was prepared by direct precipitation method with neodymium nitrate and ammonium carbonate as raw materials .
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我国氟盐体系氧化钕电解制备金属钕技术现状及进展
Present Situation and Latest Progress of Process for Producing Metallic Neodymium by Electrolysis of Neodymium Oxide with Fluoride Salts
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结果表明:随着结晶陈化温度的提高,结晶碳酸钕中氧化钕含量升高,而增大碳酸氢铵加入量则使氧化钕含量降低。
It was found that the neodymium oxide content in neodymium carbonate increased with adding temperature increasing and decreased with the feed molar ratio increasing .
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研究了温度、加料比等结晶条件对结晶速度和结晶碳酸钕中氧化钕含量的影响。
The effect of temperature , feed molar ratio and other factors on the crystallization rate and neodymium oxide content in neodymium carbonate was investigated in detail .
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碳酸钕中氧化钕和氯离子含量的高低取决于晶体的结构类型和结晶生长特性。
It was also suggested that the morphology , the content of neodymium oxide and chloride ion in neodymium carbonate lie on its structure and crystal growth characterization .
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以工业氧化钕和氧化铝为主要原料,通过调整钕铝配比及采用不同的矿化剂,在适当的工艺条件下合成出了新型的稀土色料。
The new rare earth pigment was synthesized by adjusting ratio of neodymium and aluminum and adopting different mineralizer , using neodymium oxide and alumina as main raw material .
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建立了金属钕和氧化钕中24个杂质元素的高频感耦等离子体原子发射光谱直接测定的方法。
The method of ICP AES for simultaneous and direct determination of 24 rare earth and non rare earth impurity elements in metal Nd and Nd 2O 3 was studied .
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使用2米光栅摄谱仪和氩氧控制气氛法测定了氧化钕中稀土杂质镧、铈、镨、钐、铕、铥、钇。
A spectrographic method for the determination of rare earth impurities such as lanthanum , cerium , praseodymium , samarium , europium , thulium and yttrium in neodymium oxide has been presented .
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本文用醇盐法合成了氢氧化钕、氧化钕超微粉末,粒径为0.01~0.05μm。氢氧化钕超微粉末为六方结构;
The Ultrafine Neodymium hydroxide and Neodymium oxide powders were prepared by alcoxides method . The particle size is in the range of 0.01-0.05 μ m Neodymium hydroxide ultrafine powders is hexagonal in structure and Neodymium Oxide ultrafine powders is cubic .
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三氧化二钕催化合成乙酸丙酯
The Catalyst Of Nd_2O_3 Synthesized Propyl Acetate
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研究了以三氧化二钕为固体催化剂,由对羟基苯甲酸和乙醇合成尼泊金乙酯。
Nd2O3 used as solid catalyst for the preparation of nipagin esters with p hydroxybenzoic acid and alcohol has been studied .
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贵重和有色金属矿床钨氧化钐-钕同位素定年研究及其地质意义
Sm-Nd Isotopic Age Dating on Tungsten Oxides from Precious and Nonferrous Metal Deposits and Its Geological Significance
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其中纳米稀土氧化物更是具有传统固体不具有的许多特殊性质和用途,例如氧化钐、氧化钕等。
Especially nanometer scale rare earth oxide such as neodymium oxide samarium oxide have many properties and application which the traditional solid never have .
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研究了复合膜的紫外-可见光透过性能和二氧化钍与三氧化二钕的掺杂量、十二烷基苯磺酸钠水溶液的pH值等因素对光解率的影响。
The effect of the ultraviolet-visible light transmittance , doping amount of thorium dioxide and neodymium sesquioxide , pH value of the aqueous solution of sodium dodecyl benzenesulfonate and some other factors on the photodegradation rate were studied .