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- 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。
- 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。
- 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
- heavy rare earth element 重稀土元素
- Distribution pattern of rare earth element;? 稀土元素分布模式?
- 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;
- 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。
- 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。
- heavy rare earth elements 重稀土元素
- 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
- 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。
- Effects of rare earth element lanthanum on the activities of invertase, catalase and dehydrogenase in red soil. 镧对红壤转化酶、过氧化氢酶和脱氢酶活性的影响。
- The fast developing methods- 137 Cs,rare earth element(REE)and 210 Pb tracer in soil eorsion studies were evaluated. 该文评述了近年来发展较快的137Cs、稀土元素（REE）、210Pb示踪法在土壤侵蚀研究中的进展
- The geochemical characteristics of rare earth element (REEs) in Nanguo pear in Anshan, Liaoning Province, were studied. 摘要文章对生长于辽宁省鞍山地区的南果梨的稀土元素的地球化学特征进行了研究。
- This paper presents the newest research results on rare earth element additives to chrome plating in chromic acid bath. 对稀土镀铬添加剂的最新研究成果进行了系统的介绍，并就目前应用情况，阐述了今后研究工作中需要进一步探讨的问题。
- The invention relates to a method for promoting saffron growth and increasing crocin content by the application of rare earth element. 本发明涉及一种应用稀土元素促进藏红花细胞生长和提高藏红花素含量的方法。
- 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 chondrite-normalized distribution of the rare earth element (REE) shows light REE enrichment for the majority of samples. 磷灰石中稀土元素含量对于球粒状陨石的标绘表明,绝大多数磷灰石样品对于轻稀土元素有富集现象。
- 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。
