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1·With scandium and yttrium, they make up the rare earth metals.

加上钪和钇，一起组成稀土金属。

2·Scandium-modified Al alloys are a new kind of high performance alloys.

钪改性的铝合金是一类高性能新型铝合金。

3·They comprise preferably indium, scandium, yttrium, rare earth metals and zirconium.

它们优选包括铟、钪、钇、稀土金属和锆。

4·They turned out to be the undiscovered elements scandium, gallium, technetium and germanium.

那时还没发现的元素就是钪，镓，锗和锝。

5·The distribution in nature, application, and extraction technology of scandium are introduced.

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。

6·The purity 99.99% of scandium oxide (sc 2o 3) was prepared from tungstenic slag with extraction process.

用萃取法从钨矿渣制得纯度为99.99%的氧化钪。

7·Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals.

稀土金属、钇、钪及其混合物的无机或有机化合物。

8·ABSTRACT Rare earth is a collective name for 17 elements including ytterbium (Yb), scandium (Sc), and lanthanide series.

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。

9·It is not as though the rare-earth elements-scandium, yttrium and lanthanum plus the 14 so-called lanthanides-are all that rare.

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。

10·Under the optimum technology condition, we can get the anhydrous scandium chloride molten salt whose hydrolysis rate is2.3%.

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%。