bauxite的意思|bauxite的解释-里氏词典

bauxite ['bɔksaɪt]

n. 铝矾土, 铝土矿

[化] 铝土矿

A city of central Arkansas southwest of Little Rock. There are bauxite deposits in the area. Population, 18,177.
本托美国阿肯色州中部，位于小石城西南。该地区产铝土矿。人口18，177。
Aluminum is made from bauxite.
铝是从铝土矿中提炼出的。
Aluminum is made from bauxite.
铝是从铝土矿中提炼出的。

bauxite

[ noun ]
a clay-like mineral; the chief ore of aluminum; composed of aluminum oxides and aluminum hydroxides; used as an abrasive and catalyst
<noun.substance>

Bauxite \Baux"ite\, Beauxite \Beaux"ite\,n. [F., fr. Baux or
Beaux, near Arles.] (Min.)
A ferruginous hydrate of alumina. It is the most commonly
used ore for the preparation of aluminum and alumina. It is
also used for the lining of furnaces which are exposed to
intense heat.

Alumina, or aluminium oxide, is the intermediate material refined from bauxite ore for smelting into aluminium. 'The closure is a decided fact.
It was not immediately clear how the coup might affect an insurgency that has crippled the mining of bauxite - a major export used in producing aluminum.
An Alcan spokesman said new equipment to process bauxite and new facilities in which to store red mud, a by-product of alumina, are needed before the plants can reach full production.
About 200 workers were left without jobs when the last bauxite mines in the United States were closed by the Aluminum Company of America after 91 years of operation, the company said Wednesday.
Aluminium is one of the most energy-intensive materials in common use, the main requirement being the electricity needed to smelt aluminium from alumina (the intermediate material produced from bauxite ore).
It is hard for an African country to know whether it is getting a fair price for its exports of, say, coffee, cocoa or bauxite, if payment is made in the form of goods.
This situation is nothing new for Jamaica, which only a few months ago suspended bauxite mining leases for an American consortium called Alumina Partners.
Smelters take a powdery substance called alumina, which is extracted from bauxite, and turn it into ingot.
Other refiners have also increased their productivity, he said. The institute is forecasting total bauxite ore production for this year at 12m tonnes, against actual production of 11.22m tonnes last year.
Operations were also hampered by the failure of several members to pay subscriptions. In deciding to dissolve the IBA, the members maintained it had been valuable to bauxite producers.
One group has plans for bauxite tailings abandoned when big mining companies left.
Last year it was even lower. Brazil is one of the world's biggest producers of tin, bauxite, aluminium and iron ore.
Alumina is the intermediate product between bauxite ore and aluminum metal.
Both parties accepted that finding. After proceeding to South America in ballast, the vessel performed two voyages from Trombetas in Brazil, carrying bauxite cargoes to Matansaz on the River Orinoco in Venezuela.
Alcoa plans to reassume operational responsibility for its Jamaican bauxite mines and alumina refinery.
This, coupled with an exodus of the skilled workers and poor production of its three major exports _ sugar, bauxite and rice _ contribute to the slump.
Brazil's Indians have steadily dwindled in number since 1987, when the clandestine rush to the Amazon began after government studies indicated a wealth of gold, diamonds, tin and bauxite there.
The bauxite mining and refining industry and export agriculture (mainly sugar and bananas) are likely to record no more than the marginal growth expected by tourism.
The rush to Yanomami territory began three years ago after government studies revealed the presence of gold, diamonds, tin and bauxite in the region.
An illegal gold rush began in 1987 after studies indicated a wealth of gold, tin, bauxite, and diamonds on Yanomami land. Environmentalists say the invasion devastated the peaceful tribal life of the approximately 9,000 Yanomamis.
THE ECONOMY _ Jamaica exports bauxite, aluminum, sugar cane and rum, primarily to the United States, Canada and Britain.

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