niobium的例句大全

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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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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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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Tantalum-Niobium International Study Center ( TIC )

国际钽铌研究中心 ( 比利时 )

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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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Most likely to use superconducting elements-niobium.

最易应用的超导元素 —— 铌.

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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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Niobium is the metallic element with the highest transition temperature.

铌是转变温度最高的金属元素.

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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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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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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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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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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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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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The leaching mechanism of niobiuma refractory niobium-tantalum ore by concentrated potassium hydroxide was studied.

实验研究了难分解铌钽矿在高浓度氢氧化钾溶液中浸出过程的机理.

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An Industrial Test of Processing Tantalum-Niobium Ore with a New Shaking Table

一种新型摇床面选别钽铌矿石的工业试验研究

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The chemical behaviour of zirconium, molybdenum, niobium and technetium is observed in the process.

观察了锆、钼、铌和锝在形成界面物过程中的化学行为，在低于2mol/L的硝酸溶液中，钼会进入界面物中。

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The price of niobium has nearly doubled over the past decade to about$ 23,000 a tonne last year – a boon for CBMM and for Unocal, the US oil group that owns a large minority stake in the group, but a problem for steelmakers.

过去十年，铌价格几乎翻了一番，去年达到约每吨2.3万美元&对CBMM和持有其大规模少数股权的美国石油集团优尼科（Unocal）可谓好处多多，但对于钢铁制造商则是一个问题。

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A black red-brown , or colorless mineral , essentially ( Fe , Mn ) ( Nb, Ta ) 2 O 6, the principal ore of niobium.

一种黑色矿物, 由钇 、 铒 、 钽和其他矿物的氧化物组成.

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