那时还没发现的元素就是钪，镓，锗和锝。
They turned out to be the undiscovered elements scandium, gallium, technetium and germanium.
加上钪和钇，一起组成稀土金属。
With scandium and yttrium, they make up the rare earth metals.
简要阐述了铝钪合金的开发应用前景。
The development and application of Al-Sc alloy were briefly discussed.
钪改性的铝合金是一类高性能新型铝合金。
Scandium-modified Al alloys are a new kind of high performance alloys.
它们优选包括铟、钪、钇、稀土金属和锆。
They comprise preferably indium, scandium, yttrium, rare earth metals and zirconium.
实验结果表明，氧化钪均匀分布在钨颗粒表面。
The experimental results show that scandia distributed evenly on the surface of tungsten particles.
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.
本文研究具有氧化钪掺杂钨基体钪酸盐阴极的性能。
Characteristics of Scandate cathodes with Scandia doped tungsten bodies have been investigated in this work.
用萃取法从钨矿渣制得纯度为99.99%的氧化钪。
The purity 99.99% of scandium oxide (sc 2o 3) was prepared from tungstenic slag with extraction process.
用液-固掺杂及两段还原法制备了氧化钪及铼掺杂的钨粉。
Scandia and rhenium doped tungsten powders were prepared by solid-liquid doping combined with two-step reduction method.
并非所有稀土元素都像钪、钇、镧加上14所谓的镧系元素那样稀少。
It is not as though the rare-earth elements-scandium, yttrium and lanthanum plus the 14 so-called lanthanides-are all that rare.
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.
近年来，分散元素钪的成矿问题已经引起矿床学家的高度重视。
In recent years the dispersed element sc and its mineralization have aroused great interest of ore deposit scientists both at home and abroad.
采用扫描电镜对碳化镧钪钼阴极进行显微组织结构和成分分析。
In this paper, the microstructures and components of the carbonized La-Sc-Mo cathode are analyzed through SEM with EDXA.
在此工艺条件下，制得的无水氯化钪熔盐中钪的水解率为2.3%。
Under the optimum technology condition, we can get the anhydrous scandium chloride molten salt whose hydrolysis rate is2.3%.
电导率的增加是含钪锆过饱和固溶体的分解形成弥散型的复相结构。
The increasing of conductivity is the decomposition of the supersaturate solid solution contain Sc and Zr forming dispersion complex phase.
本文综述了国内外铝钪合金的研究现状，介绍了钪在铝合金中的作用。
The traditional process of producing Al-Sc alloy (contained 2% of Sc) is not fit for industrial production because of its high cost and complicated conditions.
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.
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.
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.
目前的研究重点是开发含钪中间合金的低成本生产新技术及含钪铝合金的工业应用。
At present, research must stress on the development of new technology for the low cost production of scandium-bearing master alloy and the industrial application of aluminum-scandium alloys.
用地壳元素钪进行标准化之后，铱异常十分明显，而其它元素在界线附近则没有变化。
After normalized with the typical terrestrial element Sc, iridium shows marked enrichment at the B/M boundary;
这种材料也存在不足之处，例如，最基本的问题就是昂贵的金属钪含量占到了20%。
There are also somedeficiency for this kind of alloy, for example, the primary problem with thealloy is that it is made of 20 percent scandium, which is extremely expensive.
提要稀土是化学元素周期表中的镧系元素和化学性质相似的钇、钪共17种元素的统称。
ABSTRACT Rare earth is a collective name for 17 elements including ytterbium (Yb), scandium (Sc), and lanthanide series.
浓硫酸和高氯酸消解后，用钼-锑-钪复合显色剂测定植酸钙中的磷含量，偏差不超过5%；
The phosphorus content of phytin was determined in molybdate-antimony-scandium color agent after it was digested by concentrated sulfuric acid and perchlorate, with its deviation of no over 5%.
在轻重混合稀土中能单独分离镧、铈、镨、钬、钪。本方法能用于分离、测定独居石中的稀土元素。
Lanthanum, Cerium, Praseodymium, Holmium and Scandium from a mixture of rare earth elements can also obtained, This method is being us...
在轻重混合稀土中能单独分离镧、铈、镨、钬、钪。本方法能用于分离、测定独居石中的稀土元素。
Lanthanum, Cerium, Praseodymium, Holmium and Scandium from a mixture of rare earth elements can also obtained, This method is being used in...
介绍了用氟化钪钙热还原得到的粗金属钪为原料，通过真空蒸馏净化制取纯金属钪的工艺过程及其技术参数。
The technics of purifying Sc metal in vacuum distilling with coarse Sc metal which is made by ScF3deoxidized by Ca at heated condition.
介绍了用氟化钪钙热还原得到的粗金属钪为原料，通过真空蒸馏净化制取纯金属钪的工艺过程及其技术参数。
The technics of purifying Sc metal in vacuum distilling with coarse Sc metal which is made by ScF3deoxidized by Ca at heated condition.
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