Home > Term: niobium
niobium
A chemical element, Nb, atomic number 41 and atomic weight 92.906. In the United States this element was originally called columbium. The metallurgists and metals industry still use this older name.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Επιστήμη
- Category: Γενική επιστήμη
- Company: McGraw-Hill
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Δημιουργός
- Francisb
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