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rare earth oxides doping 稀土氧化物添加
TPR Study on Perovskite-Type Rare Earth Oxides Doped with Noble Metals 贵金属掺杂复合稀土氧化物的TPR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。
The influence of middle rare earth oxides on the activity of Pd catalyst has been discussed in this article. 本文研究了中稀土氧化物对钯催化剂活性的影响。
A deodorant catalyst CMT A composed of transition metal and rare earth oxides was prepared. 介绍了以堇青石蜂窝陶瓷薄片为载体 ,附载过渡金属及稀土金属氧化物活性组分制备的 CMT- A除臭催化剂。
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。
Doped rare earth oxides have been widely used in three-way catalyst(TWC) for purification of automobile exhausts because of its special properties. 稀土元素以其特殊的物理和化学性质在汽车尾气三效净化催化剂(TWC)中获得了广泛应用。
The microstructure and properties of fused-cast 33# AZS refractory brick with additive of desilicated zirconia or rare earth oxides were studied. 熔铸33%23AZS耐火砖添加少量脱硅锆或稀土氧化物的试验结果表明：该砖的相组成与显微结构得到改善。
STUDY ON PROPERTIES AND MICROSTRUCTURES OF RARE EARTH OXIDE DOPED MOLYBDENUM WIRE APPLIED IN THERMIONIC CATHODE 热阴极用稀土钼丝材的组织和性能的研究
The performances of Composite Electrodes in welding can be much improved by adding two or more rare earth oxides which are mutually completementary. 复合电极是在钨中添加了两种或更多种的稀土氧化物，各添加物互为补充，相得益彰，使其焊接性能更出众。
X-RAY DIFFRACTION STUDY ON RARE EARTH OXIDE DOPED SPHERICAL IRON CATALYSTS FOR AMMONIA SYNTHESIS 稀土掺杂氨合成球形催化剂的X射线衍射研究
The main attention focuses on the introduction of research progress on alkali and alkali earth compounds, rare earth oxides and complex oxides as catalysts since 1989. 重点介绍1989年以来对碱及碱土金属化合物、烯土氧化物、复合氧化物等各类催化剂的研究进展。
Catalysts for use in secondary reformer were prepared with high temperature calcined alumina as carrier,nickel as active component,and rare earth oxides with high melting point as promotor. 以高温烧结氧化铝为载体 ,镍为活性组份 ,高熔点稀土氧化物为助剂制备的二段转化炉催化剂具有使用强度高 ,耐热性能好 ,转化活性稳定、床层阻力降低等特点。
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。
The relation between the effect of adding rare earth oxides (CeO_2, Pr_2O_3 and Nd_2O_3) and their atomic number has been correlated. It was discovered that the selectivity of propene increases as the atomic number increases. 关联了CeO_2、Pr_2O_3与Nd_2O_3的稀土效应与其原子序数的关系,发现丙烯选择性随原子序数增加而提高。
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;
The test indicates that the activity of Pd catalyst for the oxidization of carbon monoxides increased by adding middle rare earth oxides, especially Sm2 O3. 实验表明,中稀土氧化物的添加对这种钯催化剂的一氧化碳氧化性能都有所改善,其中以氧化钐最为突出。

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