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- 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 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 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。
- This method could determine many non-REE in enriched-europium mixture rare earth oxide at a time and it was a rapid method. 该方法能同时测定富铕混合稀土氧化物中多种非稀土元素的含量，提高了分析速度。
- 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。
- 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 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。
- The hyphenated technique of high performance liquid chromatography with inductively coupled-atomic emission spectrometry has been studied to analyze the rare earth oxide products. 本工作研究了用高效液相色谱-电感耦合等离子体发射光谱的联用技术分析稀土混合物的方法。
- 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 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。
- A novel rare earth oxide glass antifogging agent has been developedin this paper,and the antifogging agent composed with surfactant,additive,dispersantand rare earth mixture. 研制了一种新型稀土氧化物混合物防雾剂,其由表面活性剂、添加剂、分散剂和稀土混合物混合而成。
- 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。
- 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。
