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- In2O3 and rare earth oxides 氧化铟与稀土氧化物
- 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。
- 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 results show that increarsing the content of divers fluorides,carbonate and rare earth oxide in flux core will make the content of diffusible hydrogen in weld reduce. 结果表明,适当提高药芯中多种氟化物、大理石及稀土氧化物含量,将有利于降低焊缝中扩散氢含量。
- To study the catalysis of nanometer transition metal oxide(TMO) and rare earth oxide(REO) on the thermal decomposition of AP,nanometer TMO(Fe_2O_3,CuO and Co_2O_3) and nanometer REO(CeO_2,Nd_2O_3 and Y_2O_3) were prepared. 为了解不同种类的过渡金属氧化物与稀土金属氧化物纳米粒子对AP热分解的催化作用,分别制备了过渡金属氧化物纳米粒子(F e2O3,CuO和Co2O3)和稀土金属氧化物纳米粒子(C eO2,N d2O3和Y2O3),并进行相互掺杂混合。
- Reducing content of hydrogen effect of fluoride,carbonate,active chide and rare earth oxide in weld by self-shielded flux-cored wire with CaF2-TiO2 MgO slag system is investigated. 探讨氟化物、大理石、高价氧化物和稀土氧化物在氟钙钛渣系自保护药芯焊丝中的降氢机理。
- 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。
- Barium Zirconate; Alkaline earth, transitional metal and rare earth stannates;Complex oxides; Monodisperse; Nanostructures; Solution-based reactions. 01锆酸盐;锡酸盐;复合氧化物;单分散;纳米结构;液相合成
- 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。
- 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。
- 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。
- 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。
- Characteristics of trace and rare earth elements suggest that Ophiolite originated from the setting similar to mid-ocean ridge. 微量元素和稀土元素特征显示蛇绿岩形成于类似洋中脊的构造环境。
- 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。
- Raman Spectroscopic Studies on the Complexes of Tropolone and Rare Earth(Ln = La、Na、Sm、Yb)[J]. 引用该论文 袁亚仙;王海霞;顾建胜;顾仁敖.