niobium

简写符号：

简写符号: Nb

更多词形：

简写符号: Nb |

单词例句：

Platinum composite electrode was prepared that platinum was compounded on titanium,tantalum,and niobium substrates by proper technology.

铂复合电极是通过适当的工艺将铂复合在钛、钽、铌等基体上。

The run status for tantalum &niobium industry in China in 2006 is summarized.

评述了2006年中国钽铌工业的运行状况。

Application: For niobium sheet and wire etc.

用途:产品用于生产铌片,丝等加工材。

To remove dissolved oxygen in the molten metal prior to pouring, elements have been added which have high affinity for oxygen such as titanium, vanadium, niobium and magnesium.

为了在浇铸之前消除熔化金属中的溶解氧，需要在金属中添加具有很高的氧亲合力的元素，如钛，钒，铌和镁。

I also wish to know about the Reactor Grade Niobium sheet.

我并且希望知道关于反应器等级铌板料。

The tantalum and niobium reserves of China amount to 20% and 1.5% of world wide reserves, respectively.

摘要我国的钽占世界储量的20%，铌占世界储量的1.5%。

Rare earth can influence for shape size,distribution and quantity of niobium carbonide,decrease activity of carbon and niobium i...

稀土对碳化铌形态、大小、分布、数量有影响,可降低碳、铌活度,阻碍碳化铌在奥氏体区的析出。

Di(2 ethylhexyl) phthalate (DOP) was prepared from phthalic anhydride and 2 ethylhexanol via niobium pentoxide catalyzed esterification.

用固体酸五氧化二铌作酯化催化剂，由苯酐和2-乙基己醇制备了邻苯二甲酸二（2-乙基己酯）（DOP）。

The historical development of niobium as a microalloying element in steels has been reviewed with its economic advantages.

叙述了国际上铌微合金化技术的发展历史及铌作为微合金化元素在钢中应用的经济性和技术性优势。