铌的

The invention relates to a synthesis method of wormlike mesoporous columbium oxide, pertaining to the technical field of inorganic porous materials.

本发明属于无机多孔材料技术领域，具体为一种蠕虫状介孔氧化铌的合成方法。

In this paper,a method of determination of the trace niobium in nickel alloy by inductively coupled plasma atomic emission spectrometry is investigated.

采用电感耦合等离子体发射光谱对镍基合金中微量铌的分析方法进行了试验。

A new method for the rapid separation and determination of trace niobium in copper-niobium alloys was presented.

提出了一个快速分离与测定铜铌合金中微量铌的新方法。

Recently various new reagent s and detection methods were used to the photometric detection of niobium.

近年来各种新试剂、新方法的不断涌现，使铌的光度分析有了新的进展。

The structures,physicochemical properties and catalytic applications of niobic acid and niobium oxide are reviewed in this paper.

介绍了铌酸-氧化铌的结构、性质及其在多相催化反应中的研究现状及应用前景。

There are nine main producers of high quality niobium products,including ...

高科技对铌的需求和钢铁工业向优质高产方向发展，为今后铌工业的发展开辟了广阔的前景。

Wolframite might crystalize at about 750℃. Independent minerals of Nb and Ta were not found under 800～600℃, 100× 10〓Pa and 0.64wt% F conditions, although Nb〓O〓 content might reach 1160×10〓 at 600℃.

随着岩浆温度从800℃降低到600℃，熔体中Nb〓O〓含量逐渐升高，600℃时Nb〓O〓含量可达1160×10〓，但在实验产物中仍然没有发现铌的独立矿物，更未发现钽的独立矿物。

The property of Niobium /Niobium Penoxide was studied and the hydrochemical method was chosen for preparing Nb20o ultrafine powder.

本文研究了铌／氧化铌的特性以及制备超细粉末的方法，选择了湿化学法制备超细粉末的方法。

Phosphonic acids, hydroximic acids, arsenic acids and cationic not only have a strong collecting ability, but also have a strong collecting selectivity which is better than that of fatty acids.

认为脂肪酸类捕收剂的捕收能力较强而选择性较差，与钽铌矿物作用时生成了铁和锰的油酸盐，而不是钽铌的油酸盐。

For multi-component alloys like IN738 and 537,Nb might promote acidic fluxing of the oxide scale.

铌的上述作用可能促进氧化膜的酸性熔融。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。