niobium中文什么意思

n.
【化学】铌〔旧名 columbium〕。

• ferrotantalum niobium:    钽铁
• ferrotantalum-niobium:    钽铌铁
• niobium (nb):    铌酸盐

例句与用法

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1. Niobium is the metallic element with the highest transition temperature .
   铌是转变温度最高的金属元素。
2. Standard specification for niobium - hafnium alloy ingots
   铌铪合金铸锭标准规范
3. Iron and steel - methods for determination of niobium content
   钢铁.铌含量的测定方法
4. Thermal fatigue behavior of niobium microalloyed h13 steel
   13钢的热疲劳行为
5. Method for determination of niobium in zirconium alloys
   锆和锆合金中铌含量的测定方法

英文释义

名词

1. a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
   同义词：Nb, atomic number 41

百科释义

Niobium, formerly columbium, is a chemical element with the symbol Nb (formerly Cb) and atomic number 41. It is a soft, grey, ductile transition metal, which is often found in the pyrochlore mineral, the main commercial source for niobium, and columbite.