Betekenis van:
columbium
columbium
Zelfstandig naamwoord
- niobium
- a former name for niobium
Hyperoniemen
Voorbeeldzinnen
- Niobium (columbium); rhenium:
- niobium (columbium) or niobium alloys;
- Additions of Chromium Tantalum or Niobium (Columbium)
- Niobium (columbium); rhenium; gallium; indium; vanadium; germanium
- Additions of Chromium Tantalum orNiobium (Columbium)
- ’Refractory metals and alloys’ include the following metals and their alloys: niobium (columbium), molybdenum, tungsten and tantalum.
- "Refractory metals and alloys" include the following metals and their alloys: niobium (columbium), molybdenum, tungsten and tantalum.
- Beryllium, chromium, germanium, vanadium, gallium, hafnium, indium, niobium (columbium), rhenium, thallium, articles of these metals, powders, waste and scrap (excluding carbide)
- Throughout the nomenclature, the expression ‘base metals’ means: iron and steel, copper, nickel, aluminium, lead, zinc, tin, tungsten (wolfram), molybdenum, tantalum, magnesium, cobalt, bismuth, cadmium, titanium, zirconium, antimony, manganese, beryllium, chromium, germanium, vanadium, gallium, hafnium, indium, niobium (columbium), rhenium and thallium.