Перевод: с английского на русский

с русского на английский

columbium carbide

См. также в других словарях:

  • Niobium — zirconium ← niobium → molybdenum V ↑ Nb ↓ Ta …   Wikipedia

  • niobium processing — Introduction       preparation of the ore for use in various products.       Niobium (Nb) has a body centred cubic (bcc) crystal structure and a melting point of 2,468° C (4,474° F). Of the refractory metals, it has the lowest density and best… …   Universalium

  • niobium — /nuy oh bee euhm/, n. Chem. a steel gray metallic element resembling tantalum in its chemical properties; becomes a superconductor below 9 K; used chiefly in alloy steels. Symbol: Nb; at. no.: 41; at. wt.: 92.906; sp. gr.: 8.4 at 20°C. [1835 45;… …   Universalium

  • tantalum — /tan tl euhm/, n. Chem. a gray, hard, rare, metallic element occurring in columbite and tantalite and usually associated with niobium: used, because of its resistance to corrosion by most acids, for chemical, dental, and surgical instruments and… …   Universalium

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