铌

I can provide raw materials for the Division include: tantalum ore, niobium ore, tungsten ore, molybdenum ore, cobalt ore, nickel ore, monazite, zircon ore, chromium carbide, vanadium carbide and so on, the majority of imported raw materials.

我司可提供的原材料包括：钽矿、铌矿、钨矿、钼矿、钴矿、镍矿、独居石、锆矿砂、碳化铬、碳化钒等，大部分为进口原料。

Used for particle size sorting of 0.3 - 0.02 mm fine-grained iron, tin, tungsten, tantalum, niobium, gold, coal, monazite, rutile, Gao Yingshi, as well as the proportion of the poor have enough other metals, nonmetallic minerals by the Ministry of Metallurgy organization of scientific research, design, universities and factories, mines and other units were identified by that excellent performance of the device, the advanced sorting index to determine the mass-produced to promote the use.

用于选别粒度0.3--0.02毫米细粒的铁、锡、钨、钽、铌、金矿、煤矿、独居石、金红石、镐英石以及具有足够比重差的其他金属、非金属矿物，经冶金部组织有关科研，设计、高校和厂矿等单位进行鉴定通过，认为该设备性能优良，选别指标先进，确定成批生产推广使用。

In chapter 4, we study the polarizability of niobium clusters including d electron.

第四章，我们研究了包含d电子的铌团簇的极化率。

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 character of the niobium oxides and their catalytic application were reviewed.

综述了含铌氧化物的特徵及其在不同催化过程中的应用。

A black mineral that is an ore of niobium and ''.

一种黑色矿物，是铌、钽矿石。

The property and catalytic application of niobium oxide in the multiphase field were briefly introduced.

简要介绍了铌氧化物的性质及其在多相催化领域内的应用。

The research results can meet the requirements about qualitative analysis and semi-quantitative analysis of niobium in alloy.

讨论合金中铌元素的定性和半定量分析方法，结果能满足材料牌号鉴别的需要。

The present and several new reduction process of niobium and tantalum powder were reviewed.

综述了铌粉和钽粉的现行生产工艺及几种新的还原方法，介绍了金属热还原反应中的电化学反应机理。

Most likely to use superconducting elements - niobium.

最易应用的超导元素——铌。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。