2) columbotantalite
铌钽矿产
1.
In the paper the long-range prediction of the pegmatite-type columbotantalite in FuTou-Xialiuyuan area of Northern Fujian is under discussion according to the characteristic analysis,model analysis,variant selection and the classification of association degree.
通过特征分析模型分析和变量选取及关联度分级,对闽北地区头—下柳源一带伟晶岩型铌钽矿产进行远景预测研究。
3) niobium-tantalum deposit
钽铌矿床
4) niobite
[英]['naiəbait] [美]['naɪəbaɪt]
铌铁矿
1.
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
2.
The effects of three collectors,benzyl arsionic acid,diphosphonic acid and C_(79) alkyl hydroximic acid,on ilmenorutile,fersmit and niobite floatation with the various pH and collector dosage are investigated.
研究三种捕收剂在不同pH和用量的条件下对纯铌铁金红石、铌钙矿和铌铁矿的捕收影响。
3.
The selective depression performance of four type depressants for niobite and do lomite is described.
考查 4种抑制剂对铌铁矿及白云石的选择性抑制性能。
5) Niobium mineral
铌矿物
1.
Research on Depressing Behavior of Carboxymethyl Cellulose in Beneficiation of Niobium minerals;
羧甲基纤维素在铌矿物选别中抑制行为的研究
6) Nb-Ta deposit
钽铌铁矿
补充资料：褐钇铌矿
化学成分为 YNbC 4、晶体属四方晶系的氧化物矿物。常含少量铀、钍等。以英国物理学家R.费格森（Robert Ferguson）的姓氏命名。与黄钇钽矿(formanite)YTaO4成完全类质同象系列。褐钇铌矿晶体呈四方柱形，通常成块状或粒状集合体。黄褐色至黑褐色，新鲜断面呈树脂或半金属光泽。摩斯硬度 5.5～6.5，比重 5.～56.8。随着Ta含量的增大，比重亦逐渐增高，黄钇钽矿的比重为6.24～7.03。硬度随水化程度的加深而变低。产于花岗岩或花岗伟晶岩中，也见于砂矿中。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条