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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。
light rare earth elements(LREEs) 轻稀土元素
Correlation of light rare earth elements in rats hair, blood and organs 大鼠全血、毛发与其组织脏器中轻稀土元素含量相关性研究
SPECTROPHOTOMETRIC STUDIES AND APPLICATION ON COLOR REACTION OF ARSENAZO DBM WITH LIGHT RARE EARTH ELEMENTS 新显色剂偶氮胂DBM与轻稀土元素的显色反应及应用
THE ROTATION TRANSFORMATION OF DOUBLE LOGARITHMIC PLOT OF CERIUM ANOMALY(Ce~0) AND LIGHT RARE EARTH ELEMENT DIFFERENTIATION (La/Nd) 铈异常(Ce~0)和轻稀土分异(La/Nd)的双对数图解的旋转变换
light rare earth elements 轻稀土元素
Distribution pattern of rare earth element;? 稀土元素分布模式?
Simultaneous On-line Analysis of Total and Individual Rare Earth Elements in Light Rare Earths Extraction Process by Multichannel Analyzer 轻稀土萃取分离中稀土总量和分量的同时在线测定
light rare earth element 轻稀土元素
One advance that exploits quantum confinement makes use of rare earth elements, such as erbium, that scientists know to be good light emitters. 有一项以量子局限原理为基础的新发展，用的是已知发光效率较高的铒等稀土元素。
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 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。
The light rare earth sesquioxides are easy to be hydrated and carbonated in air. 轻稀土RE_2O_3(RE=La，Pr，Nd，Sm)在空气中极易水化和碳酸化。
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 conditions of the polarographic adsorptive waves of light rare earth (La, Ce, Pr, Nd, Sm, and Eu)-zinc-alizarine red S(ARS) mix-polynuclear complex are reported. 本文报道了轻稀土(La、Ce、Pr、Nd、Sm、Eu)-锌-茜素红S异多核配合物极谱吸附波的形成条件。
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。
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。
The present paper aims to report its investigation of the cytogenotoxicity induced by dimethoate separately or jointly with the light rare earths to the root tips of Vicia faba. 研究了农药乐果与轻稀土乐果混合溶液对蚕豆根尖的细胞遗传毒性,探讨了稀土修复和稀土预处理对乐果染毒根尖的细胞遗传毒性的影响。