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.

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.

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.

Tantalum-Niobium International Study Center ( TIC )

国际钽铌研究中心 ( 比利时 )

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.

Most likely to use superconducting elements-niobium.

最易应用的超导元素 —— 铌.

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.

Niobium is the metallic element with the highest transition temperature.

铌是转变温度最高的金属元素.

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.

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.

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.

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.

Niobium oxides are favorable promoter and Support.

铌氧化物是优良的促进剂和良好的载体.

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.

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.

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.

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

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。

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。

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.