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
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。
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。
At first,the iron oxides from the Nbbearing iron ore are reduced by selective reduction with CO/CO2 with a reduction rate of 90 % keeping the Nb oxide intact.
针对我国包头现有高炉—转炉—电炉—电炉提铌工艺存在流程长、成本高、铌损失率大且只能生产含铌１３％～１５％铌铁的情况，提出包头铌资源选冶新思路：用ＣＯ－ＣＯ２混合气体选择性热还原含铌铁矿，９０％以上的铁矿物被还原为金属铁，铌矿物不被还原。
The columbite-group minerals from the Koktokay No.
研究表明,本区伟晶岩脉中铌铁矿族矿物主要为铌锰矿-钽锰矿。
On the basis of detailed studies on columbite from the Suzhou granite, tantalite has been found for the first time in this granite.
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。
Study on Solid-Phase Synthesis and Mechanism of Carbothermal Reduction of Niobite
铌铁矿固相合成及碳热还原机理研究
a hard gray lustrous metallic element that is highly corrosion-resistant; occurs in niobite and fergusonite and tantalite.
一种坚硬有光泽的灰色金属元素，抗腐蚀性极强，见于铌铁矿、褐钇铌矿和钽铁矿中。
a mineral consisting of tantalum oxide of iron and manganese that occurs with niobite or in coarse granite; an ore of tantalum.
一种由铁和锰的钽氧化物组成的矿物，与铌铁矿共生，亦见于粗糙的花岗岩中，是一种钽矿石。
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。
Infrared Absorption Spectrum (IAS) and X-ray Photoelectron Spectrosco-py (XPS) detect and analyze the adsorption mechanism of diphosphonic acid on the surface of niobite.
同时用IAS和XPS检测和分析了双膦酸对铌铁矿的作用机理。
Methods for chemical analysis of iron ores--The sulfo chlorophenol S photometric method for the determination of niobium content
GB/T6730.47-1986铁矿石化学分析方法氯代磺酚S光度法测定铌量
niobate-titanate-tantalate ore
铌酸盐－钛酸盐－钽酸盐矿
The Thermodynamic Analysis and Experiment Research on Niobium Enrichment of Baogang Tailing
包钢含铌尾矿铌富集的热力学分析和实验研究
a black mineral that is an ore of niobium and tantalum.
一种黑色矿物，是铌、钽矿石。
Mineral Characterize and Synthetic Utilization of Tantalum and Niobium Tail Sand
钽铌矿尾砂的矿物特征及其综合利用
AN APPLIED STUDY OF NIOBIUM-MANGANESE-IRON IN CAST IRON
铌-锰-铁在铸铁材料中应用的研究
fool's gold
【矿】黄铁矿, 黄铜矿
Simultaneous Determination of Co,Nb,Fe and B in Ni-Mn-Co-Si-Fe-Nb-B Alloy by ICP-AES
ICP-AES同时测定镍锰钴硅铁铌硼合金中钴、铌、铁和硼
The pyrite and siderite associated with the ores have been oxidized into limonite, hemitite and goethite.
黄铁矿、菱铁矿变为褐铁矿、赤铁矿和针铁矿。
The Procession and Performance Investigation of Ni-Ta Tailing Glass-Ceramics;
铌钽尾矿微晶玻璃的制备与性能研究
Methods for chemical analysis of tantalum and niobium--Determination of iron content
GB/T15076.4-1994钽铌化学分析方法铁量的测定
Study on Ferroelectric and Optical Properties of Strontium Barium Niobate Crystal
铌酸锶钡晶体的铁电及光学性能研究
DETERMINE Ti,Ta,Cu,Al AND P IN FERRONIOBIUM WITH ICP-AES METHOD
ICP-AES法测定铌铁中钛、钽、铜、铝、磷