niobite信息详情
n.铌铁矿
niobites───n.铌铁矿
niobate───n.[无化]铌酸盐
niobates───n.[无化]铌酸盐
biotite───n.[矿物]黑云母
diorite───n.[岩]闪长岩；闪绿岩
iolite───n.堇青石（等于cordierite）
niobic───adj.铌的；含铌的
niobium───n.[化学]铌（41号元素，符号Nb）
norite───n.苏长岩
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
The major metal minerals recycled include tantalum niobite, fine spar, tantalum aeschynite, wolframite and scheelite, which have large density of generally 5 to 7.
The process of this invention uses concentrated niobite as raw material.