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magnesium-zirconium silicate

См. также в других словарях:

  • MAGNÉSIUM — Le magnésium est un élément chimique métallique de symbole Mg et de numéro atomique 12. C’est le plus léger des métaux structuraux. Le nom de magnésium vient probablement de celui d’une bourgade d’Asie Mineure, Magnesia, bien connue plusieurs… …   Encyclopédie Universelle

  • Zirconium — (pronEng|zɚˈkoʊniəm, IPA|/ˌzɝˈkoʊniəm/) is a chemical element with the symbol Zr and atomic number 40. It is a lustrous, gray white, strong transition metal that resembles titanium. Zirconium is used as an alloying agent due to its high… …   Wikipedia

  • Zirconium dioxide — Zirconia redirects here. For the Sailor Moon character, see Dead Moon Circus. Chembox new Name = Zirconium dioxide ImageFile = CZ brilliant.jpg IUPACName = Zirconium dioxide; Zirconium(IV) oxide OtherNames = Zirconia; Baddeleyite Name =… …   Wikipedia

  • ZIRCONIUM ET HAFNIUM — Le zirconium (symbole Zr, numéro atomique 40) et le hafnium (symbole Hf, numéro atomique 72) sont deux éléments chimiques métalliques de couleur gris argent appartenant au groupe IVa de la classification périodique. Découvert en 1789 par Martin… …   Encyclopédie Universelle

  • magnesium processing — Introduction       preparation of the ore for use in various products.       Magnesium (Mg) is a silvery white metal that is similar in appearance to aluminum but weighs one third less. With a density of only 1.738 grams per cubic centimetre, it… …   Universalium

  • Pyrope — A gem quality, emerald cut pyrope. General Category Nesosilicate Chemical formula …   Wikipedia

  • Corium (nuclear reactor) — LFCM redirects here. For the airport, see List of airports by ICAO code: L. The Three Mile Island reactor 2 after the meltdown. Corium, also called fuel containing material (FCM) or lava like fuel containing material (LFCM), is a lava like molten …   Wikipedia

  • Electroceramics — While ceramics have traditionally been admired for their mechanical and thermal stability, their unique electrical, optical and magnetic properties have become of increasing importance in many key technologies including communications, energy… …   Wikipedia

  • refractory — refractorily, adv. refractoriness, n. /ri frak teuh ree/, adj., n., pl. refractories. adj. 1. hard or impossible to manage; stubbornly disobedient: a refractory child. 2. resisting ordinary methods of treatment. 3. difficult to fuse, reduce, or… …   Universalium

  • Wadsleyite — is a high pressure polymorph of olivine, an orthorhombic mineral found in the Peace River meteorite in Alberta, Canada. In the phase transformations from Mg2SiO4 Fe2SiO4 (forsterite fayalite), olivine is transformed to wadsleyite β Mg2SiO4 and… …   Wikipedia

  • Diamond simulant — Due to its low cost and close visual likeness to diamond, cubic zirconia has remained the most gemologically and economically important diamond simulant since 1976. The high price of gem grade diamonds, as well as significant ethical concerns of… …   Wikipedia

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