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scandium

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加上钪和钇,一起组成稀土金属。With scandium and yttrium, they make up the rare earth metals.

共存金属离子不干扰钪的分离和测定。However these ions did not interfere the separation and determination of scandium.

论述了稀散元素钪在自然界中的分布、应用状况及提取技术。The distribution in nature, application, and extraction technology of scandium are introduced.

稀土金属、钇、钪及其混合物的无机或有机化合物。Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals.

据此,拟定了钪的分析方法,用于合成试样的测定,结果满意。The method established has been applied to determination of scandium in synthetic sample with satisfactory results.

其它稀土金属,钇或钪,或前述金属混合物之无机或有机化合物。Other compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals.

本文提出一萃取分离和测定微克量钪与钍的快速方法。This paper describes a rapid method for the separation and determination of microgram amounts of scandium and thorium.

本文研究了从氧化铝生产赤泥的盐酸浸出液中回收钪的工艺条件。The conditions of extraction of scandium from Leaching Liquor of red mud resulting from alumina production were studied.

然后给出了用真空蒸馏法制备高纯金属钪的新工艺,并对其提纯机制作了探讨。Then the new technology in preparation of high purity scandium metal was proposed and its purification mechanism was discussed.

钪是一种稀散型元素,在自然界大多以掺杂的形式存在于其它矿物中。Scandium is a kind of sparsity and spread around element. In the nature, it mostly exists in other minerals in the form of intermingle.

研究了在氯化十四烷基吡啶及乳化剂OP存在下,铬天青S与钪显色反应的适宜条件。The study of optimum conditions of the colour reaction of scandium with chrome azurol S in the presence of tetradecyl pyridinium chloride and emulgent OP is reported in this paper.

本文简要介绍中国科学院长春应用化学研究所近年来在钇、钪分离工艺研究方面的新进展。This paper briefly presents the recent progress in separation technological processes of scandium and yttrium in Changchun Institute of Applied Chemistry, Chinese Academy of Sciences.

钪对铝合金有明显的晶粒细化作用,提高了铝合金强度,抑制了再结晶,强化了焊缝,消除了焊缝出现的热裂。Scandium in these alloys exhibits obvious grain refining, improved strength and serves to inhibit recrystallization in Al alloys , strengthen welds and eliminate hot cracking from welds.

通过硬度测量和微观金相观察,研究了钪对铝锂合金再结晶过程的影响。The effects of scandium on the recrystallization of aluminium-lithium alloy are investigated by measuring the vickers hardness of the testing alloys and by observing their microstructures.

钽钪酸铅陶瓷具有优良的介电、压电和铁电性能,但烧成温度高、居里点较低。Lead scandium tantalate ceramics exhibit excellent dielectric, piezoelectric, and ferroelectric properties, but need rather higher sintering temperature and possess lower Curie temperature.

本文研究了钪—间硝基偶氮氯膦—溴化正辛基吡啶三元体系的光度特性,并确定了在该体系中以日型钪络合物进行测定的最佳条件。The photometric character of ternary system for scandium-chlorophosphonazo-m-Nn-octyl pyridine bromide is studied and the optimum condition of determining scandium is found as β-type complex.

研究了普通氧化物阴极掺入氧化钪之后的效果,并对机理给出了一种解释。The principle of operation of the scandium oxide dispensing oxide cathode is researched. The effect of scandium in oxide cathode is analyzed. A emission function considering distribution is given.

本项目就是以淤砂为原料,采用重选—磁选—电选联合选矿工艺富集、提取氧化钪。This project aimed to enrich and abstract scandium oxide with the combined mine-selection process of weight selection-magnetic selection-electrical selection from the raw material, wandering sands.

镧、铈、镨、钕、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥、钇、钪元素的氧化物、盐类和金属。The Oxides, Salts and Metal of the Lanthanum, Cerium, Praseodymium, Neodymium, Samarium, Europium, Gadolinium, Terbium, Dysprosium , Holmium, Erbium, Thulium, Ytterbium, Lutetium, Yttrium, Scandium.