铌铁矿

/ ní tiě kuàng /

1
columbite
·鉴定特征以较高的比重可与蛋白石区分。 铌铁矿（Columbite）与钽铁矿同族。晶体板状或棱柱状，常成双晶，也以块状集合体产出。
2
niobite
铌铁矿 中文名: 铌铁矿 英文名: niobite cas号: 分子式: 分子量: 密度: 5.2～6.25 熔点: 沸点: 闪点: 粘度: 蒸气压: 折射... 粘氯酸；二氯代丁烯醛酸粘氯酸；二氯代丁烯醛酸中文名:
3
greenlandite
... 铌铁矿 dianite 铌铁矿 greenlandite 铌钇矿 samarskite ...
4
[矿物] ferrocolumbite
... ferroaugite 富铁辉石 ferrocolumbite 铌铁矿 ferrodolomite 铁白云石 ...

短语

1
本文在研究苏州花岗岩中铌铁矿的基础上，首次在该地区发现了钽铁矿。
On the basis of detailed studies on columbite from the Suzhou granite, tantalite has been found for the first time in this granite.
2
研究了前驱体合成(又称铌铁矿合成)与传统的氧化物混合合成，对PMN - PNN - PZT四元系压电陶瓷性能的影响。
Mainly researched was the effect on properties of PMN-PNN-PZT piezoelectric ceramics for different synthesizing process named precursor synthesis and oxide compound synthesis.
3
包头铁矿尾矿中铌和稀土氧化物含量分别为0。
The contents of niobium and the total amount of rare earths in the tailings of Baotou iron ores are 0.

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