稀土有两种,一种是重稀土,一种是轻稀土。
Rare earth consists of two categories: one is heavy rare earth, the other one is light rare earth.
稀土有两种,一种是重稀土,一种是轻稀土。
There are two kinds of rare earth metals, the heavy rare earth elements and the light rare earth elements.
当混合轻稀土含量大于2.0%时,起燃点开始下降。
But the combustion temperature decrease when the amount of rare-earth is more than 2.0%.
稀土元素球粒陨石标准化曲线显示轻稀土富集重稀土亏损;
The standard curve of chondrite of rare earth element reveals a deficit of light rare earth enriched the heavy one;
以相化学关系和热分析等结果,揭示了轻稀土化合物的相似性。
By comparing the phase chemical behavior and the results of thermal analysis, the similarity of the light rare earth compound and "bicomponent effect" is discovered.
对轻稀土在农业、纺织印染、玻璃陶瓷工业方面的应用作一简介。
The application of light rate earth elements on agriculture, textile, glass and ceramics industry was briefly described.
其分布模式为轻稀土含量相对较高、铕轻度亏损型,与土壤类似。
The distribution patterns are that light REEs are higher in contents and Eu-anomaly is slightly inadequate, similar to the soil case.
文中指出,解决轻稀土过剩的有效途径是把轻稀土应用到农业中去。
The efficient way to absorb the surplus of light RE is to use it in agriculture.
指出轻稀土钡铜氧特别是钕钡铜氧块材适于批量生产,具有经济潜力。
It is indicated that the RE-Ba-Cu-O superconductors, especially NdBCO bulks, are better than the YBCO for patch production, and exhibit the economic potential.
砂金样品则以较富集轻稀土为特征,稀土元素含量继承了岩金的部分特点。
Placer gold samples are rich in light REE, the characteristics of REE contents of which partly inherited from hard rock gold.
稀土元素通常是同时被发现的,一般来说轻稀土元素的数目远甚于重稀土元素。
Rare earth metals are often all found together, typically with far more light than heavy elements.
重新设计的电机仍使用了轻稀土元素钕,北美、澳大利亚和中国都有这种矿藏。
The redesigned motor still uses the light rare earth element neodymium, which is found in North America and Australia, as well as China.
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.
这种方法可以应用到制备氧化镨,但是,无法成功应用到制备其他轻稀土氧化物。
This method could also be applied to prepare praseodymium oxides, however, it was not successful in preparing other light rare earth oxides.
加入强化元素能进一步提高合金的热强性。用轻稀土元素代替Y则能降低生产成本。
Addition of strengthening elements can further improve heat-resisting strength; while light rare-earth elements can reduce the production cost instead of Y.
结果表明:镧、铈和钕等轻稀土的掺杂提高了该玻璃的耐水性,降低了硅的浸出量。
The results show that the presence of La, Ce and Nd improves the water resistance of glasses and decreases the normalized releases of silicon.
寻乌县葫芦火山穹隆是一保存较为完好的火山机构,河岭大型轻稀土矿床受控于该火山机构。
Heling large-scale light-earth deposit is controlled by the Hulu-lian volcanic dome, a well-preserved volcanic apparatus in Xunwu county.
并以四组分的轻稀土分离为例进行了工艺设计,同时给出了计算机对该工艺的动态平衡模拟结果。
It gave the process design of four-element light rare earth separation and showed the result of dynamic equilibrium imitation by computer.
磁铁矿矿石、矿物及红碧玉的稀土元素含量总量低、具负铈、负铕异常,属轻稀土富集型的特征。
The total REE content in magnetite ore, minerals and red jasper is low with negative cerium and europium anomalies that are light REE enrichment characters.
稀有气体同位素地球化学研究也在一定程度上揭示了牦牛坪轻稀土矿化与地幔过程之间存在着成因关系。
The rare gas isotope geochemical analyses also support that there is a genetic association between the light rare earth element mineralization and mantle processes.
本文研究工业纯铝中含RE(混合轻稀土,含量为0~0.275%)时对7075合金组织和性能的影响。
The effects of RE (mixed light RE, 0—0.275%) content in commercial pure aluminium on the structure and characteristics of 7075 alloy are investigated in this paper.
磁铁使用稀土钕铁硼永久磁铁,效率高且自重轻,耗能少,输出功率大。
Use of Rare earth NdFeB permanent magnet, high efficiency and light weight, low energy consumption, high output power.
其REE丰度逐渐增高,轻、重稀土分馏程度表现为愈趋显著的总体演化趋势。
Their REE abundance increases progressively and their light and heavy REE fractionations also have a general evolutionary trend of becoming more and more marked.
随着时代变新,玄武岩碱性逐渐增强,轻、重稀土元素分离程度及不相容元素富集程度也逐渐增强。
With the ages becoming younger of the basalts, their alkali, the fractional degree of LREE/ HREE and incompatible elements enrichment increased.
随着时代变新,玄武岩碱性逐渐增强,轻、重稀土元素分离程度及不相容元素富集程度也逐渐增强。
With the ages becoming younger of the basalts, their alkali, the fractional degree of LREE/ HREE and incompatible elements enrichment increased.
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