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.
稀土有两种，一种是重稀土，一种是轻稀土。
The standard curve of chondrite of rare earth element reveals a deficit of light rare earth enriched the heavy one;
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 redesigned motor still uses the light rare earth element neodymium, which is found in North America and Australia, as well as China.
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。
It gave the process design of four-element light rare earth separation and showed the result of dynamic equilibrium imitation by computer.
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。
This method could also be applied to prepare praseodymium oxides, however, it was not successful in preparing other light rare earth oxides.
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。
The rare gas isotope geochemical analyses also support that there is a genetic association between the light rare earth element mineralization and mantle processes.
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。
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.
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。
Rare earth metals are scarce minerals that have particular properties, such as being magnetic or shining in low light.
稀土金属是非常珍贵的矿产资源具有特别的性能。比如具有磁性也可发光可以运用于微光灯。
Addition of strengthening elements can further improve heat-resisting strength; while light rare-earth elements can reduce the production cost instead of Y.
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。
The application of rare earth complexes in organic light emitting diode (OLED) is very significative for realizing full color display.
将稀土配合物应用于有机电致发光显示器件(OLED)对于实现全彩色显示具有重要意义。
Use of Rare earth NdFeB permanent magnet, high efficiency and light weight, low energy consumption, high output power.
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。
Rare earth metals are often all found together, typically with far more light than heavy elements.
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。
So the LEDs found in current household applications are blue diodes daubed with a powdered coating called a phosphor, which includes rare-earth elements that filter blue light.
所以，现在家用的LED是将蓝色的发光二极管的外壁涂上粉末状的磷，其中含有的稀土元素可以把蓝光过滤掉。
The structural design of the rare earth chelate based light conversion agents is presented in the paper.
本文对稀土配位化合物光转换剂的结构设计问题进行评述。
They are mainly used for electric light resources, vacuum-deposited films, smelting of rare earth metals, electrical contacts, heater and so on.
钨丝、钨杆主要用于电光源、真空镀膜、稀土金属冶炼、电触点以及加热元件等。
The aluminates are used as the base and the rare earth materials are used as the luminescence center and trap center. The excitation resource can be man-made light and sunlight.
它以铝酸盐原料为基质，以稀土材料作为掺杂元素形成发光中心和陷阱中心，激发光源可以是人造光源或者太阳光。
The aluminates are used as the base and the rare earth materials are used as the luminescence center and trap center. The excitation resource can be man-made light and sunlight.
它以铝酸盐原料为基质，以稀土材料作为掺杂元素形成发光中心和陷阱中心，激发光源可以是人造光源或者太阳光。
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