alúmina

  • 91Глинозем — [alumina] белый кристаллический порошок, состоящий до 98 % из а и у модификаций Al2O3 и являющийся исходным сырьем для получения металлического Al, специальных видов керамики, белого электрокорунда, огнеупоров, электроизоляторных изделий и… …

    Энциклопедический словарь по металлургии

  • 92алюмосиликатные огнеупоры — [alumina silica refractories] огнеупоры, изготовленные преимущественно из Аl2O3 и SiO2. Алюмосиликатные огнеупоры подразделяют на полукислые (14 28 % Аl2O3), шамотные (28 45 %), высокоглиноземистые (49 95 %) и применяют во многих тепловых… …

    Энциклопедический словарь по металлургии

  • 93AETB — Alumina Enhanced Thermal Barrier Contributor: MSFC …

    NASA Acronyms

  • 94aluminum processing — Introduction       preparation of the ore for use in various products.       Aluminum, or aluminium (Al), is a silvery white metal with a melting point of 660° C (1,220° F) and a density of 2.7 grams per cubic centimetre. The most abundant… …

    Universalium

  • 95refractory — 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

  • 96Aluminium industry in Russia — The Aluminium industry in Russia was arguably founded on 14 May 1932 when the Volkhov smelter in the Leningrad Oblast produced its first batch of aluminium. One year later, the first aluminium was produced by the Dneprovsky smelter in Ukraine.… …

    Wikipedia

  • 97cement — cementable, adj. cementer, n. cementless, adj. /si ment /, n. 1. any of various calcined mixtures of clay and limestone, usually mixed with water and sand, gravel, etc., to form concrete, that are used as a building material. 2. any of various… …

    Universalium

  • 98Mining in Western Australia — Main article: Mining in Australia Mining in Western Australia Position of Western Australia within Australia highlighted Loc …

    Wikipedia

  • 99Rio Tinto Group — Rio Tinto Limited plc Type Public company (ASX: RIO, LSE:  …

    Wikipedia

  • 100Alcoa — Infobox Company name = Alcoa, Inc. type = Public (nyse|AA) foundation = Pittsburgh, Pennsylvania, U.S. (1888) founder = Charles Martin Hall location = flagicon|U.S. New York, New York flagicon|U.S. Pittsburgh, Pennsylvania key people = Alain J. P …

    Wikipedia