英语释义

1. any of a series of metallic elements of which the oxides are classed as rare earths and which include the elements of the lanthanide series and sometimes yttrium and scandium — called also rare earth metal

片语

coordination chemistry of rare-earth element[物化]

rare-earth element er稀土er

rare-earth element mobility稀土元素活动性

rare-earth element ore稀土元素矿

rare-earth element doping稀土掺杂

rare-earth element holmium稀土元素鈥

rare-earth element erbium稀土元素铒

英汉例句

• the mineralization is studied with emphasis on ore geology, rare earth element haloid element and metallogenic model.

  通过矿床地质、稀土元素和成矿模式的研究，对矿床成矿作用进行讨论。

• the influence of rare earth element on the properties of sintered copper molybdenum steel has been studied.

  研究了稀土元素对烧结铜钼钢性能的影响。

• the distribution and fractionation of rare earth element are the base for their usage as trace elements.

  稀土元素在环境中的分布分异机制，是研究其作为地球化学示蹤剂的重要基础和必要前提。

• 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準化曲线显示轻稀土富集重稀土亏损；

• a new type of fe-based amorphous alloy containing rare earth element was prepared by melt spinning technique.

  利用旋铸技术制备了一种新型的含稀土元素的铁基非晶合金。

• experimental result indicated that rare earth element may promote growth of hypha and increase weight of dry matter, and also improve quality and nutrient value of edible fungi.

  试验证明，稀土元素对食用菌菌丝具有一定的活性，既可以促进菌丝的生长，增加菌丝干物质量，又可以改善品质，提高产品营养价值。

• the stabilities of intermediate compound in binary systems containing a rare earth element are criticized.

  并且利用上述规则判定含稀土体系中化合物的稳定性。

• in recent years, the tracing method of rare earth element ( ree) has been used to study the dynamic processes of soil erosion, such as its initiation, development and distribution upon the hill slope.

  近年来兴起的ree示蹤方法，可以研究土壤侵蚀的发生和发展的过程，及其沿坡面变化的规律。

• this is a method that uses the rare earth element of the re-additive to improve properties of the meta-eutectic al-si alloy.

  用稀土元素添加剂（自制）作为铝硅合金中加入稀土元素的中介原料，研究re对亚共晶铝硅合金性能的影响。

• production practice showed that application of rare earth element to edible fungi culture could increase yield.

  生产实践表明，食用菌栽培中应用稀土元素具有增产效应。

• the chemical properties of rare earth element are introduced, and the preparation of water treatment flocculants by using the rare earth is summarized.

  介绍了稀土元素的化学性质，在制备水处理絮凝剂方面的研究和应用情况。

• designed to measure the specific resistivity of metal in different temperature. the influence of the rare earth element on the conductivity of aluminium alloy has been investigated.

  设计了一种测量金属在不同温度下的电阻率的实验装置，并应用此装置研究了稀土元素对铝合金电学性质的影响；

• in the condition of industrial production, orthogonal test and slab rolling comparison test were had by adding different rare earth element and alloying element.

  在工业生产条件下，通过添加不同的稀土元素和合金元素进行正交试验及板坯轧制对比试验。

• 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。

• brass powder: three kinds of powder, type10, type20 and type30 , can been offered. rare earth element and other trace amount of alloy element can been added.

  黄铜粉：分10、20、30黄铜粉，可添加稀土等微量合金元素，分为用于含油轴承及金刚石制品两类。

• the content of rare earth in embryo increased with the increasing of hatch period, however the barrier effect of different rare earth element was greatly different.

  稀土在胚胎中的含量，随孵化时间增加而增加，但不同稀土元素其屏障作用差别较大。

• the battery in a single toyota prius contains more than 20 pounds of the rare earth element lanthanum; the magnet in a large wind turbine may contain 500 pounds or more of neodymium.

  在个别丰田普锐斯（译注：插电混合车）的电池里，含有20多磅（9公斤多）的稀土元素镧，大型风力涡轮机的磁铁可能含有500多磅（226公斤）的钕。

• the studies of microelement, rare earth element and isotope compositions that the huogeqi polymetallic ore field was formed in rift basin of back arc continental marging during proterozoic era.

  从微量元素、稀土元素、同位素等方面论证了霍各乞矿田中元古宙为大陆边缘弧后裂谷盆地构造环境。

• variations of the rare earth element content in sj3, a stalagmite which was sampled from nuoshuihe karstic beauty spot, northeastern sichuan, are climatically related.

  对采集于四川东北部诺水河溶洞群的石笋sj3的分析结果显示，在相对温暖湿润时期的石笋沉积中稀土元素含量明显增加。

• this article introduces application status of in every trades and proposes develop m entsuggestions in the future on rare earth element .

  叙述了稀土在各行业的应用概况，并对今后开发的重点提出了建议。

• with chromatographic separation by extraction column, the system was successfully applied to determine the heavy rare earth element dysprosium in ores with satisfactory results.

  结合萃取柱色谱分离方法测定了稀土矿石中的微量稀土元素镝。

• this artical mainly discusses the additive amount of rare earth element used as feed additive for hers, the trial effect, the function principle, the security to people and hens, and so on.

  本文主要论述稀土做为产蛋鸡饲料添加剂的添加量、试验效果、作用机理以及对人与鸡的安全性。