查询词典 scandium

Rare-earth element lies in sixth period among periodic table of chemical element and includes the 15 elements of lanthanides and elements scandium and yttrium.

稀土元素在化学元索周期表中，为第六周期，属于镧系族及钪、钇共17种元索的总称。

The extraction of scandium picrate by benzo-15-crown-5 (B15C5) and dibenzo-18-crown-6(DB18C6) has been studied.

研究了苯并15冠5(B15C5)和二苯并18冠6(DB18C6)萃取苦味酸钪的萃取平衡。

The influence of 0.25% scandium element on structure and property of 6063 aluminum alloy was studied, and the effect mechanism of RE-Sc was analyzed from the theory.

研究了0.25%的Sc元素对6063铝合金组织性能的影响，并从理论上分析了稀土Sc元索的作用机理。

The conditions of extraction of scandium from Leaching Liquor of red mud resulting from alumina production were studied.

摘 要：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。

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%。

The development foreground of scandium recovery from red mud of industrial waste slag wad aimed.

指出了从工业废渣赤泥中回收钪的发展前景。

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

加上钪和钇，一起组成稀土金属。

The Al-Cu-Mg-Ag alloys with different scandium contents were prepared by ingot metallurgy technology.

采用铸锭冶金工艺，制备不同钪含量的Al-Cu-Mg-Ag合金。

The results of thermodynamics calculation indicated that ScCI3 and ScF3 can be reduced to scandium by magnesium, but Sc2O3 cannot be.

还原产生的初生态Sc与Al形成稳定的Al_3Sc金属间化合物，金属热还原反应的△_rG_m~0减少了-138KJ／mol。

Yttrium'.'' silicate; a source of scandium.

硅酸盐组成的矿物，是钪的来源。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。