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- Aminocarboxylic acid cellulose fliter was prepared as column filler to separate and enrich trace rare earth elements (REEs ) in geochemical samples. 本文制备了氨基羧酸纤维滤纸片作为柱填充物，成功地分离和富集了地化样品中的多种稀土元素。
- Determination and distribution characteristic of trace rare earth elements in pearls by ICP-MS 珍珠中痕量稀土元素的ICP-MS测定及其分布特性
- Study on Determination of Trace Rare Earth Elements in Traditional Chinese Medicine by ICP-MS 电感耦合等离子体质谱测定中草药中痕量稀土元素的研究
- Comparative Study of PN-ICP-MS and ETV-ICP-MS for the Determination of Trace Rare Earth Elements in Soil Sample PN-ICP-MS与ETV-ICP-MS在分析测定土壤中稀土的含量时的比较研究
- DETERMINATION OF TRACE RARE EARTH ELEMENTS IN GEOLOGICAL SAMPLES BY SEQUENTIAL ICP-AES 单道扫描电感耦合等离子体发射光谱法测定地质样品中的微量稀土元素
- Determination of Trace Rare Earth Elements in High Purity Dy 2O 3 by Inductively Coupled Plasma Mass Spectrometry 用ICP-MS测定高纯氧化镝中痕量稀土元素
- Test of the manufacturing technology for the continuous cast and rolled bright copper bars added with trace rare earth elements 连铸连轧光亮铜杆中添加微量稀土的工艺试验
- Direct Analysis of Trace Rare Earth Elements Through Nanometer-size Titanium Dioxide Separation/Concentration and Fluorination Assisted ETV-ICP-AES with Slurry Sampling 纳米TiO_2材料分离富集、悬浮体进样氟化辅助ETV-ICP-AES直接分析痕量稀土元素
- trace rare earth elements 痕量稀土元素
- Distribution pattern of rare earth element;? 稀土元素分布模式?
- 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。
- 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。
- With the addition of a trace of rare earth element Y, microhardness of Cu-Cr-Zr alloy increases about 9HV, while electrical conductivity slightly decreases about 3%IACS. 而加入稀土元素Y后,使CuCrZr合金的显微硬度提高了约9HV,而导电率降低了约3%25IACS。
- 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。
- The color of Apatite is often due to the presence of rare earth elements. 磷灰石的颜色常取决于存在的稀土元素。
- P. Henderson ed., Rare Earth Element Geochemistry, Elsevier, Amsterdam, 1984. 涂光炽等编著，地球化学，上海科学技术出版社，上海，1984。
- Accumulation and toxicity of rare earth elements in brain and their potential effects on health. 稀土元素的脑部蓄积性、毒性及其对人群健康的潜在危害
- Besides,the mechanism of B C N RE co-cementation and the effects of rare earth elements are diecussed. 本文对B-C-N-RE共渗的机理及稀土元素的作用作了初步的探讨。
- Rare earth elements can improve the plating bath performance and deposit quality, and has good application prospect. 稀土添加荆可改善镀液性能,提高镀层质量,有良好的应用前景。
