A natural or synthetic oxide of aluminum widely distributed in nature, often found as a constituent part of clays, feldspars, micas and other minerals, and as a major component of bauxite.
Ещё 1 Energy & Functional Materials segment provides alumina products, additives, and battery components.
2 This alumina plant is the first step, said a Bosai Minerals spokesman.
3 Bauxite is processed into alumina , which is used to produce aluminium metal.
4 The Metallurgy segment covers the vertically integrated aluminum and alumina productive activities.
5 AWAC operates mines integrated with alumina refineries in Western Australia and Brazil.
6 When aluminum is melted it forms alumina , an oxide of the metal.
7 A substantial amount of CO was formed over alumina - based transient metal oxides.
8 A greenish mineral called GLAUCONITE- asilicateof iron and alumina - is then formed.
9 First, at least three earthy salts-the sulphates of lime, alumina , and potassa.
10 Those industries are likely to include LNG and alumina industries, and petrol refiners.
11 Kleinfeld said Alcoa was also reviewing its alumina refining portfolio for potential curtailments.
12 China, the world's top aluminum producer, has rarely exported significant volumes of alumina .
13 The Aluminium business includes bauxite mines, alumina refineries and aluminum smelters.
14 For every tonne of aluminum, a smelter would need two tonnes of alumina .
15 Mordant in pyrolignite of alumina at 10° B., and wash thoroughly.
16 Measured concentrations indicated the lack of catalytic activity on a bare alumina surface.
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Alumina в диалектах
Соединенные Штаты Америки