1. 铌元素：l 铸铁 Cast iron | l 铌元素 Niobium | l 碳素钢 Carbon steel
2. 鈮 铌：40 Zr 鋯 锆 Zirconium | 41 Nb 鈮 铌 Niobium | 42 Mo 鉬 钼 Molybdenum
3. 铌 (名)：ninth 第九; 九分之一; 月的第九日 (名) | niobium 铌 (名) | nip in the bud 防患于未然
1. Niobium is used mainly as an alloying element in steel to increase strength and durability.
2. Brazil has the world's largest known niobium reserves, and CBMM owns the best of them in Brazil.
3. 911查询·英语单词
3. CBMM's niobium output accounts for 85 percent of the world's total.
noun
1. niobium是什么意思
1. a soft grey ductile metallic element used in alloys
occurs in niobite
formerly called columbium
Synonym: Nb atomic number 41