稀土

This paper deals with RE-B-Al diffused into the armco iron using pasty method.

采用膏剂法对工业纯铁进行稀硼铝共渗，观察了渗层组织，探讨了硼化物形成机制。

The response of T1 phase size to heattreatment processing and rare-earth element content are discussed.

根据T1相尺寸测定结果，分析了T1相尺寸与热处理工艺、稀元素之间关系。

A stepwise carbochlorination-chemical vapor transport(SC-CVT) technique is proposed for separation of thorium from mixed bastnaesite-monazite concentrate.

以氟碳铈矿-独居石混稀矿为研究对象,采用分步选择性碳热氯化-化学气相传输反应(SC-CVT),现钍与其它稀元素分离。

The feature of fracture morphology and microdefect has been evaluated and characterized for the rare earth-zirconium alloy.

对稀金断口微观缺陷形貌特征、微观断口形貌特征等进行了表征。

The toughening mechanism in the lanthana doped molybdenum alloy mainly includes fine grain toughening and particle toughening.

稀氧化镧掺杂钼金中主要韧化机制为：细晶韧和颗粒韧。

This article introduces the main properties and applications of a new kind of wear resistant material,i.e. thulium allumen.

介绍了一种新型耐磨材料——稀锌铝金主要特性及其应用情况。

It will lay a good foundation for studying the mechanism of the interaction of anti-oxidases with rare earth ions.

这可为研究稀离子与植物体保护酶作用机理打下坚础。

"euxenite:a lustrous, blackish-brown rare-earth mineral consisting primarily of cerium , erbium, titanium, uranium, and yttrium."

"黑稀金矿:一种光亮棕黑色稀矿石,主要由铈、铒、钛、铀和钇构成."

The RE(Y)-Mg-Si-Fe nodularizer had been used to cast heavy sectioned high ductile nodular iron cooling wall castings.

应用钇重稀镁复球化剂，铸造厚大断面高韧性球铁冷却壁，成功地获得了铸件中心部位铸态高性能。

Rare earth can influence for shape size,distribution and quantity of niobium carbonide,decrease activity of carbon and niobium i...

稀对碳化铌形态、大小、分布、数量有影响,可降低碳、铌活度,阻碍碳化铌在奥氏体区析出。

They work in the sealless magnetic drive pumps,which transporting volatile,flammable,explosive and toxic solutions with no leakage.

它无须直接机械联接，而是利用稀永磁体之间相互作用，利用磁场可穿透一定空间距离和物质材料特性，进行机械能量传送。

Isothermal precipitation behavior of the calcium cerite phase in RE-bearing blast slag was studied by quenching method.

应用“淬火法”研究了等温过程含稀高炉渣中铈钙硅石相结晶行为,并讨论了该相析出和长大动力学规律。

Rare earth metals, such as metallic neodymium and metallic didymium (metallic praseodymium-neodymium), are used for rare earth magnets, mainly neodymium-iron-boron magnet.

稀金属，如金属钕和金属皮（金属镨，钕） ，用于稀磁铁，主要钕铁硼磁铁。

The REE patterns for bitumen is similar to those for supracrustal sedimentary rocks in areas with no basement faults but stabilized structural settings.

在底断裂不发育且构造稳定区域原油沥青,其稀模式具有与上地壳沉积岩相似特征。

The RE impurities in 4N lutecium oxide are determined by ICP-AES in this paper.The effects of matrix concentration acidity on tested element are analysed.

采用ICP-AES法测定4N氧化镥中稀杂质,考察了体浓度、酸度对被测元素影响。

Neodymium is a bright, silvery rare-earth metal element, found in monazite and bastnaesite and used for coloring glass and for doping some glass lasers.

1据查，钕是“一种亮银色稀金属元素，见于单独在石和氟碳锑矿中存在，用于给玻璃染色和给一些玻光器上色。

The results show that rare earth elements can efficiently improve the structures of the Chromvanadizing layer, the rate of growth and properties of diffusion layer.

结果表明，稀元素能有效地改善铬钒共渗层结构，提高共渗层生长速度和性能。

This review summaries the application of ion exchangers in the separation and determination of alkali metals, alkali-earth metals, noble metals, rare earth elements and actinoid.

离子交换剂在萃取色谱中得到了广泛应用，本文详细总结了离子交换剂在分析化学中用于碱金属、碱金属、贵金属、稀元素、锕系元素等分离与测定。

A new tetrakis( p glycylglycinephenyl)porphin and its rare earth (Yb,Sm) complexes were synthesized.They have been characterized by elemental analysis,UV vis,IR, 1HNMR and laser Raman spectra.

首次成了一种新型四（对甘氨酰甘氨酸）苯卟吩及其稀镱、钐配物。用元素分析、红外光谱、紫外可见光谱、核磁共振和激光拉曼光谱等方法进行了表征。

Here a series of lanthanide-galactitol complexes were prepared and characterized by Raman spectroscopy.The results show that the Raman spectra of the complexes have been changed substantially.

应用拉曼光谱研究了一系列稀离子半乳糖醇络物,结果表明,在形成络物以后,拉曼光谱发生明显变化。