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- The electrochemical properties of MH electrode with the addition of rare earth oxides and mixture of CoO and CoO2 are studied. 重点研究了稀土氧化物添加剂、CoO和CeO_2复合添加剂对Ni/MH电池负极电化学性能的影响。
- Keywords magnesia refractory;mixture of rare earth oxides;sintering property;microstructure;high temperature bending strength; 镁质耐火材料;混合稀土氧化物;烧结性能;显微结构;高温强度;
- mixture of rare earth oxides 混合稀土氧化物
- Cell suspension culture of Saussurea medusa was cultivated with either Ce3+, La3+, Nd3+ or a mixture of rare earth elements (MRE) supplemented. 研究了稀土元素钕(Nd3+)、铈(Ce3+)、镧(La3+)和混合稀土(MRE)对摇瓶液体培养的水母雪莲细胞生长及黄酮类化合物合成的影响.
- The presence of rare earth oxides could promote reduction of nickel species in nickel-magnesia solid solution, especially CeO2. Therefore, NLM and NCM both showed higher activity and selectivity than the Ni/MgO catalyst NM. 所得催化剂NLM、NCM具有较大比表面和较小镍晶粒度，以NCM中镍物种的还原性能改善尤为明显。
- The recent research and development of tungsten electrodes used in TIG and Plasma technologies are introduced, and the tungsten materials as well as the effects of rare earth oxides are specially discussed. 介绍了近年对TIG(钨极惰性气体保护焊)和PLASMA(等离子体)焊接、切割用钨电极材料的研究进展和应用情况 ,着重对稀土钨电极材料及稀土氧化物作用等有关研究问题进行了讨论。
- In this thesis, mechanically alloying, solid state reaction, nanometer materials and technology, preparation and properties of rare earth oxides, especially ceria(CeO2) are reviewed in details. 通过大量查阅文献,对机械合金化、固相反应、纳米材料及技术、稀土氧化物的制备及性质方面的研究作了较详尽的概述。
- The first crystallized microstructure can be fined though the effect of rare earth oxide on heterogeneity nucle-us. 通过异质核心的作用,能够细化堆敷金属中的一次结晶组织。
- This paper discussed the influence of rare earth oxide on fireclay refractory performance by SEM and AES. 本文通过SEM扫描电镜及晶相微区分析探讨了稀土氧化物对粘土质耐火制品性能的影响,研究发现;
- Deposition inversion and pulverization pyrolysis are the better preparation methods on the study of rare earth oxide ultra micro powder. 本文针对稀土氧化物超微粉末的研制,提出较好的制备方法:沉淀转化法和喷雾热解法。
- The addition of rare earth oxide promoters La2O3 and CeO2 into the Ni/MgO catalysts (labeled as NLM and NCM) may affect their physico-chemical properties and catalytic performance. 稀土助剂La2O3、CeO2对Ni/MgO催化剂有一定的改性效果。
- Distribution pattern of rare earth element;? 稀土元素分布模式?
- In the paper, the dielectric spectra of rare earth oxide CeO_2 ceramics in LF and RF ranges at room temperature have been investigated, the dielectric constant and the dielectric loss and their temperature dependence have been given. 研究了CeO_2陶瓷室温下低频和射频的介电谱,并给出了介电常数和介质损耗及其与温度的关系。
- SYUDY ON MIXTURE OF RARE EARTH METAL CARBOXYLATE AS GASOLINE ANTIKNOCK ADDITIVES 混合稀土羧酸盐作为汽油抗爆剂的研究
- Study of Biological Effects of Rare Earth on Linum Usitatissimum L. 稀土对胡麻的生物学效应研究。
- Precipitation by oxalate is the primary method to produce rare earth oxides. 稀土草酸盐沉淀法是制备稀土氧化物的主要方法。
- Properties of Rare Earth Oxides as Electrocatalysts for Chlorine Evolution in NaCl-KCl Smelts at 高温析氯电催化剂用稀土氧化物的性能
- Ultrafine Nano Suspensions of Rare Earth Oxides Prepared by High-energy Ball Milling in Pure Water 在纯水中高能球磨稀土氧化物制备超细纳米悬浮液
- Effect of Rare Earth Oxides on Viscosity Characteristics of Shielding Flux for Tundish 稀土氧化物对中间包覆盖剂粘性特征的影响
- Effect of rare earth oxides on the corrosion resistance of ZTA ceramics to steel 稀土氧化物对ZTA陶瓷抗钢液腐蚀性能的影响
