取代酰胺萃取分离铌、钽的性能良好。
N-Substituted amides possess excellent properties for the separation of niobium and tantalum.
试验结果表明，膜层基本上是由钽的氧化物相构成。
The experimental results show that the film layer consists of oxides of tantalum, which has high hardness and good corrosion resistance to alkali.
结果表明，钽的流动应力对温度和应变率的变化相当敏感。
The results showed that the flow stress of tantalum was very sensitive to the changes of temperature and strain rate.
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