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. 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。
Behavior of impurity silicon and aluminium during the thermal reduction of samarium oxide with metallic lanthanum and reasons of impurity silicon and aluminium getting enriched in the local are analyzed and discussed here. 分析讨论了杂质硅、铝在镧热还原氧化钐过程中的行为及局部富集的原因。
Effect of amounts of carbon black doped with samarium oxide on properties of powdered natural rubber 掺杂氧化钐的炭黑用量对粉末天然橡胶性能的影响
Study on Methods of Preparation of Samarium Oxide with High Bulk Density 大摇实密度氧化钐制备法研究
Determination of Ultratrace amount of samarium, europium, terbium and dysprosium in uranium oxide by laser-induced fluorescence spectrometry 激光荧光法测定八氧化三铀中的痕量钐、铕、铽和镝
Sensitization Effect of Rare Earth Ions on Fluorescence of Samarium and Europium with Thenoyltrifluoroacetone-Trioctylphosphine Oxide System Using Filter Paper as the Substrate and Its Application 稀土离子对钐-铕-噻酚甲酰三氟丙酮-三正辛基膦化氧己烷萃取体系纸上荧光的增敏作用及其应用
Especially nanometer scale rare earth oxide such as neodymium oxide samarium oxide have many properties and application which the traditional solid never have. 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。