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rare earth element的中文,翻译,解释,例句

rare earth element

rare earth element的基本解释
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稀土元素

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The gabbro-diorites have high light rare earth elements, low heavy rare earth elements and weakly positive Eu anomalies in chondrite-normalized rare earth element curves, and with high LILEs and relative low HFSEs in primitive mantle-normalized trace element spider diagram.

稀土元素球粒陨石标准化曲线显示其具有富含轻稀土元素、贫重稀土元素以及微弱的Eu的正或负异常的特点。微量元素原始地慢标准化蛛网图上,岩体具富含大离子亲石元素,明显亏损高场强元素(Nb、Ta、Zr、Hf和Ti)等特点。

The two volcanic materials are similar but are also different ①the partition mode of rare-earth element is similar to that of the basalt.②the increase content of the rare-earth element content in transitional layer shows that it enrichs in this segment due to the volcano events. Moreover, the comparability of the partition mode shows that the volcano-genic materials and the basalt are of the same source.③low Eu anomaly different from the high Eu anomaly of medium-acidic tuff in Meishan section, that show that their formation is different④there are plentiful basalt detritus.⑤there are enrichment of the Ti element.⑥the lower content of siderophile element of Ni and Co, especially in the transitional layer, show that there were not extraterrestrial events and big scale basic or ultrabasic volcano eruption events in this area. These characteristics show that the sedimentary source of Xuanwei Formation and Kayitou Formation is basalt.

1稀土元素配分模式与玄武岩类似;(2)稀土元素含量在异常层的增加反映了火山事件导致了它在该段地层中的富集,而配分模式的相似性反映了火山物质来源与玄武岩具有同源性;(3)低"Eu"异常区别于煤山剖面的中酸性凝灰岩高"Eu"异常模式,说明界线粘土岩成因也不同于煤山剖面的界线粘土;(4)大量的玄武岩岩屑;(5)Ti元素的富集;(6)亲铁元素Ni和Co含量较低,特别是在界线异常层含量降低,表明本区在界线处可能并不存在地外事件和大规模基性、超基性火山喷发事件,这些特征反映本区宣威组和卡以头组物质来源主要为玄武岩。

Precious metal and rare metal reclaim use: Use at transferring the depart of metal and rare-earth element and rich collect; In rare earth at present mineral products is machined and Japan of respect of precious metal extraction has begun to apply.

贵重金属和稀有金属回收利用:用于过渡金属和稀土元素的分离和富集;目前在稀土矿产加工和贵金属提取方面日本已经开始应用。

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heavy rare earth element, HREE:重稀土元素

重砂矿床|heavy mineral deposit | 重稀土元素|heavy rare earth element, HREE | 重质油|heavy oil

rare earth element:稀土元素

技术规格: 1.一种萧基(Schottky)结构,其包括:一基板;一第一磊晶(expitaxy)层,分布於该基板上方,该第一磊晶层系为一具稀土元素(rare earth element)之低杂质(dopant)磊晶层;以及一金属层,分布於该第一磊晶层上方;藉由该第一磊晶层,

rare earth element:稀土

重金属:trace element | 稀土:rare earth element | 特征值:Wilson element