氧化钪的化学式为Sc2O3。性质：白色固体。具有稀土倍半氧化物的立方结构。密度3.864.熔点2403℃±20℃。不溶于水，溶于热酸中。由钪盐热分解制得。可用作半导体镀层的蒸镀材料。制做可变波长的固体激光器和高清晰度的电视电子枪、金属卤化物灯等。
n. scandia
misc. scandium oxide
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.
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.
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