niobium
n. [化]铌
简写符号：Nb
近义词：NB，
英英释义
Noun
- a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
例句
用作名词(n.)
- I also wish to know about the Reactor Grade Niobium sheet.我并且希望知道关于反应器等级铌板料。
- Niobium is the metallic element with the highest transition temperature.铌是转变温度最高的金属元素。