1.
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
2.
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。
3.
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。
4.
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。
5.
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。
6.
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
7.
niobate-titanate-tantalate ore
铌酸盐－钛酸盐－钽酸盐矿
8.
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
9.
a black mineral that is an ore of niobium and tantalum.
一种黑色矿物，是铌、钽矿石。
10.
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
11.
AN APPLIED STUDY OF NIOBIUM-MANGANESE-IRON IN CAST IRON
铌-锰-铁在铸铁材料中应用的研究
12.
fool's gold
【矿】黄铁矿, 黄铜矿
13.
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
14.
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。
15.
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
16.
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
17.
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
18.
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