purification furnace

  • 31Noir de carbone — Photographie réalisée au Microscopie électronique en transmission de noir de carbone obtenu à partir de la pyrolyse de charbon Général …

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  • 32METALS AND MINING — In the Bible Six metals are mentioned in the Bible and in many passages they are listed in the same order: gold, silver, copper, iron, tin, and lead. Antimony is also mentioned. The metals are referred to in various contexts, including methods of …

    Encyclopedia of Judaism

  • 33Aluminium — Infobox aluminiumAluminium (Audio IPA|En uk aluminium1.ogg|ˌæljʊˈmɪniəm, IPA|/ˌæljəˈmɪniəm/) or aluminum (Audio IPA|En uk aluminum.ogg|/əˈluːmɪnəm/, see spelling below) is a silvery white and ductile member of the boron group of chemical elements …

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  • 34Chemistry — For other uses, see Chemistry (disambiguation). Chemistry is the science of atomic matter (that made of chemical elements), its properties, structure, comp …

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  • 35Hafnium — lutetium ← hafnium → tantalum Zr ↑ Hf ↓ Rf …

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  • 36Jewish symbolism — The Hebrew word for symbol is ot which in early Judaism denoted not only a sign, but also a visible religious token of the relation between God and man.habbat and circumcisionAncient Israel had two fundamental symbols, each regarded as… …

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  • 37Coral group — Infobox Company company name = Coral GROUP company company type = Private foundation = 2004 location = Dnepropetrovsk, Ukraine industry = Ecology and R D num employees = 211 (2007) homepage = [http://www.coralintech.com/ www.coralintech.com]… …

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  • 38Timeline of historic inventions — The timeline of historic inventions is a chronological list of particularly important or significant technological inventions. Note: Dates for inventions are often controversial. Inventions are often invented by several inventors around the same… …

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  • 39Mobarakeh Steel Company — Mobarakeh Steel Type Public Industry Steelmaking Founded 1993 Headquarters …

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  • 40nickel processing — Introduction       preparation of the metal for use in various products.       Although it is best known for its use in coinage, nickel (Ni) has become much more important for its many industrial applications, which owe their importance to a… …

    Universalium