查询词典 rare earth

Influence of trace rare earth additives such as Ce, Y and Gd on microstructure and properties of Cu-Ag in situ filamentary composite was studied in this paper.

作者： 张晓辉1，闫琳1，宁远涛2单位： 1。北京有色金属研究总院有研亿金新材料股份有限公司，北京 100088；2。昆明贵金属研究所，云南昆明 650221

It can take the place of traditional rare earth fluorescent screen in high energy radiography applications because of no visible light dispersion in it.

在高能的数字X射线成像系统中使用的X光可见光转换屏具有相当重要的作用，直接影响成像系统的性能。

There is no visible light dispersion in the glass and it can take the place of traditional rare earth fluorescent screen in high energy radiography applications. For its spatial resolution will not be greatly reduced when its thickness increases in a certain range, a thicker glass can be used to reach a higher DQE.

针对特殊用途开发了一种新型掺Tb3+硅酸盐发光玻璃转换屏，可用于30 MeV的γ光子的成像探测；在低能X光(100 keV)作用下的空间分辨能力与301型发光玻璃相当，而在能量高达12 MeV的X光的照射下，其空间分辨能力不低于1.5 lp/mm，发光效率约为301型发光玻璃的3倍。

Exports kinds of Minerals and Metals products, such as Magnesite products , Ferrous Alloys , Rare Earth products, Refractory Bricks, Graphite Electrode, Fasteners Casting products, other Metals products, Chemicals products, Garments and other Non-Metallic Minerals like Talc, Brucite, Wallastonite , Silicon Carbide, Fluorspar etc.

赛诺五金矿产有限公司主要从事各类矿产品和金属制品的出口，主要商品有：镁制品，铁合金，稀土产品，耐火砖，石墨电极，紧固件，铸件，五金制品，化工品，非金属矿产品如滑石，水镁石，硅灰石，碳化硅，砩石和服装。

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踪剂的重要基础和必要前提。

A novel oil-soluble rare earth compound La-C(subscript i8 free of sulfur and phosphorus was synthesized as lubricant additive.

合成了1种不含硫磷的新型稀土化合物，该化合物在液体石蜡中具有较好的溶解性。

A soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime.

一种软质的银色稀土属金属元素，见于硅铍钇矿、独居石和磷钇矿中。

The active substance in Vasovist is gadolinium, a rare earth metal element that is detected by MRI scanners.

Vasovist 中的活性物质是钆，它是一种可被 MRI 扫描到的稀有金属物质。

It had been made clear that the carboxylic ester rare earth salt can promote the gelation acting of PVC.

研究表明羧酸酯稀土有促进PVC凝胶化的作用。

Geochemical characteristics of rare earth elements in different types of soils in China.

中国不同类型土壤中稀土元素的形态分布特征。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。