niobium

• n. [化学] 铌（41号元素，符号Nb）

1. a soft gray ductile metallic element used in alloys; occurs in niobite; formerly called columbium

Niobium is the metallic element with the highest transition temperature.

铌是转变温度最高的金属元素.

辞典例句

A series of niobium acids at different calcination temperatures was prepared.

在不同焙烧温度下制备了一系列固体铌酸催化剂.

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The developments and current situation of tantalum - niobium hydrometallurgical extraction are presented.

介绍了钽铌湿法冶金技术的发展概况和现状.

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Use of copper welding, the welding wire with niobium as the media.

选用铜焊, 在焊接时用铌丝作媒介.

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Niobium and niobium - zirconium wires are mainly used in lighting industry.

铌及铌锆丝大量用于制造高压钠灯.

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Niobium is a soft metal used in producing superconducting steel.

铌是制造超导钢制品的一种软金属.

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Niobium oxides are favorable promoter and Support.

铌氧化物是优良的促进剂和良好的载体.

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Tantalum - Niobium International Study Center ( TIC )

国际钽铌研究中心 ( 比利时 )

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Most likely to use superconducting elements - niobium.

最易应用的超导元素 —— 铌.

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In niobium alloy containing carbon occurs decarburization in case of contamination by oxygen at higher temperature.

含碳的铌合金,若在高温下受氧沾污,易产生脱碳现象.

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We export Titanium, Tantalum, Niobium , Zirconium and Nickel materials and finished products, kindly contact for inquiry!

我司出口钛, 钽, 铌, 锆, 铌金属材料及其制品.

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It is widely used to separate tungsten, stannum, niobium, other rare metal and noble metal ores.

广泛用于钨 、 锡 、 铌及其它稀有金属和贵金属矿.

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Niobium oxide optical thin films have been prepared by low frequency reactive magnetron sputtering system.

利用低频反应磁控溅射制备五氧化二铌光学薄膜.

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An advanced niobium - silicide based ultrahigh temperature alloy was prepared by vacuum consumable arc - melting method.

本文设计了新型 Nb 硅化物基超高温合金的成分,并采用真空自耗电弧熔炼法制备了其母合金锭.

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

摘要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.

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来自希腊神话Niobe，Tantalus之女，后来人们从金属元素钽（Tantalum）进一步提取出一种新的元素，因此就命名为niobium.参照tantalize.

1. Niobium is the metallic element with the highest transition temperature.

铌是转变温度最高的金属元素.

来自辞典例句

2. A series of niobium acids at different calcination temperatures was prepared.

在不同焙烧温度下制备了一系列固体铌酸催化剂.

来自互联网

3. Among the high temperature nonferrous metals are molybdenum, niobium, tantalum, and tungsten.

高温有色金属包括钼, 铌, 钽, 钨.

来自互联网

4. Characteristic of visible spectrum was studied on niobium by spectroscopic analysis.

对铌元素可见光谱进行了计算机模拟,研究了铌元素的可见光谱特征.

来自互联网

5. The developments and current situation of tantalum - niobium hydrometallurgical extraction are presented.

介绍了钽铌湿法冶金技术的发展概况和现状.

来自互联网

niobium (n.)

named by German scientist Heinrich Rose, who discovered it in 1844 in a mineral then called tantalum; so called because in Greek mythology Niobe was the daughter of Tantalus.