铌

[ní]

Chinese-English

Chinese-Chinese

Web Definition

n.
1.
【化】niobium (Nb)

Sample Sentence

Definition:
AllAll,NbNb,columbiumcolumbium,columbitecolumbite
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
It is difficult to separate from niobium, the element above it in the periodic table, with which it shares many properties.
很难将它与铌分开，铌是周期表中钽的上面一个元素，两者具有许多共同的性质。
hěn nán jiāng tā yǔ ní fēn kāi , ní shì zhōu qī biǎo zhōng tǎn de shàng mian yī gè yuán sù , liǎng zhě jù yǒu xǔ duō gòng tóng de xìng zhì 。
www.tdict.com
2.
Niobic acid as a solid catalyst can be directly applied in the hydrolysis, esterification, condensation and alkylation reaction etc.
铌酸可直接作为固体催化剂，应用于水解、酯化、缩合、烷基化等反应中；
ní suān kě zhí jiē zuò wéi gù tǐ cuī huà jì , yìng yòng yú shuǐ jiě 、 zhǐ huà 、 suō hé 、 wán jī huà děng fǎn yìng zhōng ;
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3.
The test resultsshowedthat there was an optimum content of Ti, Nb, Co and Y-Mg in weld metal respective-ly.
试验结果表明，钛、铌钴钻、钇和镁在焊缝中的含量有一最佳值。
shì yàn jié guǒ biǎo míng , tài 、 ní gǔ zuān 、 yǐ hé měi zài hàn fèng zhōng de hán liàng yǒu yī zuì jiā zhí 。
epub.cnki.net
4.
Compounds containing niobium can also be widely used in a variety of chemical reactions as assistant or photocatalysts.
含铌化合物也作为助剂或光催化剂，广泛地应用于催化多种化学反应。
hán ní huà hé wù yě zuò wéi zhù jì huò guāng cuī huà jì , guǎng fàn de yìng yòng yú cuī huà duō zhǒng huà xué fǎn yìng 。
www.jchemindustry.com
5.
The behavior of Nb and N in medium manganese steel and their effects on microstructure and properties of the steel have been studied.
阐述了铌、氮在中锰奥氏体钢中的作用及其对中锰钢组织和性能的影响。
chǎn shù le ní 、 dàn zài zhōng měng ào shì tǐ gāng zhōng de zuò yòng jí qí duì zhōng měng gāng zǔ zhī hé xìng néng de yǐng xiǎng 。
dictsearch.appspot.com
6.
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。
bó fù hé diàn jí shì tōng guò shì dàng de gōng yì jiāng bó fù hé zài tài 、 tǎn 、 ní děng jī tǐ shàng 。
www.chemyq.com
7.
In site Raman spectroscopic investigation of zirconium-niobium alloy corrosion under hydrothermal conditions.
在热水条件下锆-铌合金腐蚀的现场喇曼光谱研究…[中国核科技信息与经济研究院]。
zài rè shuǐ tiáo jiàn xià gào - ní hé jīn fǔ shí de xiàn chǎng lǎ màn guāng pǔ yán jiū … [ zhōng guó hé kē jì xìn xī yǔ jīng jì yán jiū yuàn ] 。
210.82.31.83
8.
This paper discussed the effects of Nb on the HAZ structure and properties of ultra-fine grained steel formed by the deformation inducement.
讨论了以形变诱导相变为主的超细晶粒钢在添加合金元素铌以后热影响区组织性能的变化。
tǎo lùn le yǐ xíng biàn yòu dǎo xiāng biàn wéi zhǔ de chāo xì jīng lì gāng zài tiān jiā hé jīn yuán sù ní yǐ hòu rè yǐng xiǎng qū zǔ zhī xìng néng de biàn huà 。
www.dictall.com
9.
Chemical analysis of ferrous materials. Determination of niobium in steels. Spectrophotometric method.
冶金材料的化学分析.钢中铌的测定.分子吸收分光光度法
yě jīn cái liào de huà xué fēn xī . gāng zhōng ní de cè dìng . fēn zǐ xī shōu fēn guāng guāng dù fǎ
www.mapeng.net
10.
a soft gray ductile metallic element used in alloys; occurs in niobite ; formerly called columbium.
一种灰色金属元素，软质，易延展，用于合金中，见于铌铁矿，以前称作钶。
yī zhǒng huī sè jīn shǔ yuán sù , ruǎn zhì , yì yán zhǎn , yòng yú hé jīn zhōng , jiàn yú ní tiě kuàng , yǐ qián chēng zuò kē 。
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