轻稀土

西南MN稀土矿是以轻稀土为主，工业矿物单一为氟碳铈矿。

SouthWest MN Rare Earth Mine is a light rare earth ore in which bastnadite is the only industrial mineral .

研究了轻稀土离子（Ln3＋）对钙调蛋白（CaM）调控的磷酸二酯酶（PDE）活力的影响。

The effects of light rare earth ions ( Ln3 + ) on the activity of phosphodiesterase ( PDE ) stimulated by calmodulin ( CaM ) have been studied .

轻稀土富集，Eu异常不明显；

Rich in LREE and lack in Eu anomaly ;

在稀土元素组成上，显示轻稀土弱富集的配分模式，无明显Eu异常；

They exhibit slight LREE enrichment on the chondrite-normalized REE patterns without Eu anomalies .

稀土配分曲线呈轻稀土富集的右倾形式，并具有中等-强烈的负Eu异常。

LREE in the volcanic rocks were slightly enriched with moderate to strong Eu anomalies .

熔体淬火条件下若干轻稀土金属在Ag中固溶度亚稳扩展的研究

Metastable extension of solid solubility of certain light rare-earth metals in Ag

稀土元素分布模式均为轻稀土富集、Eu亏损型。

The distribution modes showed strong accumulation in the light REE and relatively deficit in Eu .

同时，石榴石都具有轻稀土富集和Eu正异常的特征。

Garnet phases in the skarns are rich in LREE , with an Eu positive anormaly .

稀土元素特征均表现为轻稀土明显富集，Eu弱亏损的右倾斜稀土分布模式。

REE showed significant enrichment of LREE , Eu weak loss of the right inclined REE patterns .

N，N′-双（2-水杨醛缩氨基苯基）-1,3-二丙二酰胺及其轻稀土配合物的合成

Synthesis and Characterization of N , N ′ - Bis ( 2-Salicylaldehyde-amino phenyl ) Oxamide and Its Complexes of Light Rare Earths

CeO2是一种廉价、用途极广的轻稀土氧化物。

CeO2 is a cheap and of use wide light rare earth oxide material .

轻稀土氧化物（La2O3，CeO2）对高能球磨制备纳米Co基催化材料的影响研究

Influence of La_2O_3 , CeO_2 on Preparing the Nanometer Cobalt-based Catalysis Material by the High Energy Ball Mill

ICP-AES快速分析轻稀土元素

Fast Determination of Light Rare Earth Elements by ICP-AES

纳米稀土氧化物CeO2是较为重要的轻稀土产品，已成为了极具应用前景的材料。

Nanometer cerium oxide as an important light rare earths product had become a material with the great applied prospect .

研究表明，主成矿期流体稀土元素配分模式均为轻稀土富集，Eu具明显正异常。

Chondrite normalized REE patterns in fluid inclusions of main mineralization stage show patterns with light REE enrichment and a huge positive Eu anomaly .

本区沉积物REE分布模式为右倾，富集轻稀土，具中等Eu负异常，与东海、黄海等近海陆源沉积物相似。

This is similar to the REE characteristics of continental sediments such as the East Sea and the Yellow Sea sediments .

得到的产品是：轻稀土氯化物（La→Nd），纯度为98.12%；

The products obtained are : light rare earth chloride ( La → Nd ) with a purity of 98 . 12 % ;

富碱火山岩的稀土元素组分及球粒陨石标准化型式表明，碱性玄武岩的稀土元素特征亦表现为Eu亏损不明显，轻稀土相对富集。

The REE characteristics and the chondrite-normalized patterns of the alkali-rich volcanic rocks show that there is no significant loss of Eu , relatively enrich LREE .

与硫化镍矿有关的侵入超镁铁岩有较高的REE含量，富集轻稀土；

The intrusive ultramafic bodies related to nickel deposits have higher concentration of REE with enrichment of LREE .

3期火山岩均属碱性系列，以富Zr、Ti、Cr、P及轻稀土富集型为特征。

The three periods of volcanic rocks belong to the alkali-complex series and featured by rich Zr , Ti , Cr , P and light REE .

矿石的稀土元素分配模式为轻稀土元素富集型，多数有Eu正异常和Ce负异常。

The REE patterns of the ore in this deposit are characterized by light REE enrichment types , most with positive Eu anomalies and negative Ce anomalies .

该火山岩系底部超镁铁岩的REE分布模式为轻稀土富集型，有小的Eu正异常；细碧岩-石英角斑岩也是轻稀土强富集型，Ce和Eu有轻微的正异常；

REE patterns of spilites , keratophyres and ultramafic rocks under the volcanic rocks show strong enrichment in LREE with unobvious Ce and Eu positive anomalies .

稀土元素配分模式上，球粒陨石标准化配分曲线明显右倾，轻稀土元素相对富集，反映出沉积物中等程度的Eu负异常。

In REE distribution patterns , the chondrite-normalized REE partition curve incline to the right , indicate that they are enriched in LREE and middle degree Eu negative abnormity .

蛇绿岩套中的变质橄榄岩REE含量较低，以“U”型或轻稀土亏损型为特点。

The metaperidotite in ophiolite suit is characterized by lower REE content and the " U " type of variation or deletion of LREE .

稀土元素较高，分布模式呈轻稀土富集型，Eu一般为正常型与碧玄岩最接近。

The rare earth elements are higher , the distribution pattern is light rare earth elements concentration type , Eu is usually normal type , they are closest to basanite .

稀土含量特征及球粒陨石标准化模式与岛弧拉斑玄武岩的特征相似，w（∑ree）值高，且富轻稀土，稀土配分模式为右倾型。

The REE distribution patterns with high value of Σ REE , enrichment of LREE and incline to the right are similar to the island-arc tholeiite .

ICP-AES分析轻稀土元素干扰校正研究从轻稀土元素中分离并测定镧及铈的探讨

INTERFERENCE CORRECTION ON DETERMINING LIGHT RARE EARTH ELEMENTS BY ICP-AES Study on The Separation and Determination of Lanthanum and Cerium Respectively from Light Lanthanides

这与赋矿围岩的岩石具有轻稀土元素富集、重稀土元素亏损，以及Eu、Ce略显亏损的特点相反。

It is contrary to the characteristics of host rock , namely light rare earth elements enrichment , heavy rare earth elements loss and slightly losses of Eu and Ce .

南北两带岩体均富集轻稀土元素、大离子亲石元素和高场强元素，而Cr、Ni等相容元素含量很低。

Both belts are enriched in LREE , large_ion lithophile elements and high charge density elements . However , the content of compatible elements such as Cr and Ni are very low .

不同程度地富集大离子亲石元素和轻稀土元素，相对亏损重稀土元素，稀土元素分馏明显或比较明显，相容元素（Co、V、Cr、Ni）显著亏损。

They enrich in LILEs and LREEs at different degrees , and deplete relatively to HREEs , REEs fractionate evidently , compatible elements ( Co , V , Cr , Ni ) deplete significantly .