单词niobite
n.: 【矿】铌铁矿
网络: 钶铁石；铌铁石；钶铁矿
【矿物】铌铁矿
a soft gray ductile metallic element used in alloys; occurs in niobite ; formerly called columbium.
一种灰色金属元素，软质，易延展，用于合金中，见于铌铁矿，以前称作钶。
The process of this invention uses concentrated niobite as raw material.
本发明涉及以铌铁精矿制取优质铌铁合金的方法。
The preparation of AgCl nano-crystalline doped niobite tellurite glass and its nonlinear optic performance
AgCl纳米晶掺杂铌碲酸盐系统非线性光学玻璃材料研究
Effect of diphosphonic acid on niobite collecting property and its action mechanism
双膦酸对铌铁矿的捕收特性影响及其作用机理
Study on Depression about Niobite and Dolomite
铌铁矿及白云石的抑制作用研究