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- It is discovered that REE, especially heavy rare earth elements(HREE) are of certain indicating significance for uranium transportation, enrichment and exploration. 发现稀土元素,尤其是重稀土元素对铀的区域富集及铀矿化作用有一定的指示意义。
- The sample solution has been separated with light rare earth element through the P507 chromatograph column,then sepertated with the heavy rare earth element through the N263 chromatograph column. 试液经P_(507)萃取色层柱,使钇与轻稀土元素分离,再经N_(263)萃取色层柱,使钇与重稀土元素分离。
- Effects of Heavy Rare Earth Elements on Properties of Amorphous NiB Alloy 重稀土元素对非晶态NiB合金催化剂性能的影响
- Keywords phosphinic（phosphoric）extractant;impregnated resin;heavy rare earth elements;adsorption;characteristic; 膦（磷）类萃取剂;浸渍树脂;重稀土元素;吸附;性能;
- Keywords XRF;Ashing thin film technique;Heavy rare earth elements;The enriched mixture of thucium oxide ytterbium oxide and lutecium oxide （Received June 28;1995）; x射线荧光光谱法;灰化薄样法;铥镱镥富集物;重稀土元素测定;
- heavy rare earth elements 重稀土元素
- Distribution pattern of rare earth element;? 稀土元素分布模式?
- X RAY FLUORESCENCE SPECTROMETRLC DETERMINATION OF NINE HEAVY RARE EARTH ELEMENTS IN THE ENRICHED MIXTURE OF THULIUM OXIDE,YTTERBIUM OXIDE AND LUTECIUM OXIDE BY ASMING THIN FILM TECHNIQUE X射线荧光光谱灰化薄样法测定铥镱镥富集物中九个重稀土元素
- heavy rare earth element 重稀土元素
- 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。
- This paper reports on the full scale tests of production of crystalline rare earth carbonates from low grade heavy rare earth ores. 报道从重稀土型低品位稀土矿中制取晶型碳酸稀土的工业实验情况。
- The data of sandstone thin section, heavy mineral and rare earth element combining with the former research efforts are applied to analyze the provenance of Chang 8 period in Jiyuan area. 摘要利用砂岩薄片鉴定、重矿物及稀土元素等资料，并结合前人的研究成果，对鄂尔多斯盆地姬塬地区延长组长8时期的物源进行了分析研究。
- 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。
- 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。
- The ingredients of yttrium-based heavy rare earth magnesium nodulizing alloys was investigated, as well as their effects to resist nodulization fading and nodular graphite degeneration was test. 研究了钇基重稀土镁球化剂的组成,试验了钇基重稀土镁复合球化剂对抗球化衰退、抗石墨球畸变的作用。
- 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。
- Mineral composition, process characteristic and floatability of heavy rare earths in phosphorite ore in Guizhou are summarized in this paper. 概述了贵州某地含重稀土磷块岩矿的矿石物质组成、工艺特性及可浮性研究。
- The results showed that heavy rare earths in phosphorite ore were utilized by the purification method of reverse flotation. 研究结果表明,该类型含重稀土磷块岩矿石可采用反浮选方法富集,具有开发利用价值。
