niobium [naɪˈoʊbiəm]

例句:

• A series of niobium acids at different calcination temperatures was prepared.
  在不同焙烧温度下制备了一系列固体铌酸催化剂.
  
• Niobium is the metallic element with the highest transition temperature.
  铌是转变温度最高的金属元素.
  
• Among the high temperature nonferrous metals are molybdenum, niobium, tantalum, and tungsten.
  高温有色金属包括钼, 铌, 钽, 钨.