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- Rare earth and trace elements 稀土和微量元素
- Rare Earth and Trace Element Patterns in Bedded-cherts from the Bottom of the Lower Cambrian in the Northern Tarim Basin, Northwest China: Implication for Depositional Environments 塔里木盆地肖尔布拉克剖面下寒武统底部硅质岩微量元素和稀土元素地球化学及其沉积背景
- The distribution patterns of rare earth elements and trace elements indicate the similarity of eolian origin between the red clay and Quaternary loess and paleosols. 稀土元素以及微量元素分布形式揭示出红粘土与第四纪黄土 -古土壤风成成因的相似性。
- Rare earth elements(REE) and trace elements were used to analyse source rock and source direction of Yanchang Formation of the Upper Triassic in Ordos Basin. 利用稀土元素和微量元素,分析鄂尔多斯盆地中部上三叠统延长组母岩类型和物源方向。
- The new photometry for determination of hydroxyl radocals by using the reaction between the mixed rare earths and trace H 2O 2 has been established in this paper. 利用混合稀土与微量过氧化氢催化氧化二苯基碳酰肼,建立了萃取-催化氧化光度法测定过氧化氢的羟基自由基的新方法。
- Characterization of rare earth elements and trace elements in the rock-forming minerals of granite by INAA 中子活化分析花岗岩中造岩矿物的稀土和微量元素特征
- Kelp is rich in vitamins and trace elements. 大型褐藻富含维他命和微量元素。
- Murray R W.Buchholtz Ten.Brink M R Rare earth,major and trace elements in chert from the franciscan complex and Montery group,California,assessing souces to fine-grained marine sediments 1991 高爱国.;陈志华
- The spectral interferences of trace elements from high purity rare earth will seriously affect the analytical accuracy in the ICP-AES analysis. 摘要在高纯稀土ICP-AES分析中,稀土基体光谱对痕量钙的光谱干扰是影响钙分析??范鹊闹饕??颉
- The addition of rare earth (RE) as trace elements to aluminum or magnesium alloys can purify the melts, refine and modify the microstructure, reduce the inclusion. 摘要稀土元素作为微量元素加入铝、镁合金中,可以净化合金熔体,细化、变质微观组织,减少夹杂。
- Guided by theory and method of unit-superunit mapping in the granite area, study the lithology, lithochemistry, trace elements, and rare earth elements, er. of the Wuzengsu gabbro body, and subdivide the body into four units. 摘要借鉴花岗岩区单元-超单元填图理论方法,通过对乌增苏辉长岩体岩石学、岩石化学、微量元素、稀土元素等特征的研究,将岩体划分为四个单元。
- These consist of fats, proteins, minerals, vitamins and trace elements. 包括脂肪,蛋白质,矿物质,维生素和微量元素。
- The article mainly reviews the electrodeposition of rare earth and its alloy film from nonaqueous solvent. 本文着重综述了从非水介质中电沉积稀土元素及其合金膜的进展。
- The colour reaction of the reagents with bismuth, rare earth and thorium have also been studied. 研究了共与铋、稀土、钍的显色反应性能,并对其进行了提纯鉴定。
- Effect on Extraction Rate of Amino Acids and Trace Elements with Different Solvents in Actinidia chinensis Planch. 不同溶剂对弥猴桃果实中氨基酸与微量元素提取率的影响。
- Zn2SiO4 has been identified as a very suitable host matrix for many rare earth and transition metal dopant ions for the efficient luminescence. 对许多稀土离子和过渡金属离子而言,Zn2SiO4是一种非常合适的基质,掺杂后能够发出高效荧光。
- Determination of Great and Trace Elements in Mongolia Traditional Herbs Malva verticillata L. 蒙药冬葵果宏量元素与微量元素测定。
- Microstructure and property of high Cr-Ni wear,heat resistant cast steel which coutents N,rare earth and Nb were studied. 研究了含氮、稀土、铌的高铬镍耐热耐磨铸钢的显微组织和高温力学性能。
- Jerusalem artichoke powder mainly composed of protein, sugar and inulin and trace elements. 菊芋粉主要成分为蛋白质、糖和菊粉及微量元素。
- The syntheses,structures and properties of rare earth and complexes of amino acids were investigated widely in recent decades. 近十几年来;有关稀土.;氨基酸固体配合物的合成、结构、性质研究已有较多报道。