tin-smelting

См. также в других словарях:

• tin processing — Introduction       preparation of the ore for use in various products.       Tin (Sn) is a relatively soft and ductile metal with a silvery white colour. It has a density of 7.29 grams per cubic centimetre, a low melting point of 231.88° C… …   Universalium

• TIN — /tin/, n. taxpayer identification number. * * * Metallic chemical element, chemical symbol Sn, atomic number 50. It is a soft, silvery white metal with a bluish tinge, employed since antiquity in the traditional form of bronze, its alloy with… …   Universalium

• Smelting — For other uses, see Smelt (disambiguation). Electric phosphate smelting furnace in a TVA chemical plant (1942) Smelting is a form of extractive metallurgy; its main use is to produce a metal from its ore. This includes iron extraction from …   Wikipedia

• smelting — Process by which a metal is obtained from its ore, either as the element or as a simple compound, usually by heating beyond the melting point, ordinarily in the presence of reducing agents such as coke or oxidizing agents such as air (see… …   Universalium

• tin — tinlike, adj. /tin/, n., adj., v., tinned, tinning. n. 1. Chem. a low melting, malleable, ductile metallic element nearly approaching silver in color and luster: used in plating and in making alloys, tinfoil, and soft solders. Symbol: Sn; at. wt …   Universalium

• Smelting — Smelt Smelt, v. t. [imp. & p. p. {Smelted}; p. pr. & vb. n. {Smelting}.] [Of foreign origin; cf. Sw. sm[ a]lta, D. smelten, Dan. smelte, Icel. smelta, G. schmelzen OHG. smelzan, smelzen; probably akin to Gr. ?????. Cf. {Enamel}, {Melt}, {Mute}, v …   The Collaborative International Dictionary of English

• Dartmoor tin-mining — The wheelpit at Huntingdon mine The Dartmoor tin mining industry is thought to have originated in pre Roman times,[1] and continued right through to the 20th century. From the 12th century onwards tin mining was regulated by a Stannary Parliament …   Wikipedia

• Black tin — Black Black (bl[a^]k), a. [OE. blak, AS. bl[ae]c; akin to Icel. blakkr dark, swarthy, Sw. bl[ a]ck ink, Dan. bl[ae]k, OHG. blach, LG. & D. blaken to burn with a black smoke. Not akin to AS. bl[=a]c, E. bleak pallid. [root]98.] 1. Destitute of… …   The Collaborative International Dictionary of English

• Mining in Bolivia — Mining in Potosí Mining in Bolivia has been a dominant feature of the Bolivian economy as well as Bolivian politics since 1557. Colonial era silver mining in Bolivia, particularly in Potosí, played a critical role in the Spanish Empire and the… …   Wikipedia

• Pulau Brani — SG neighbourhood image englishname=Pulau Brani chinesename=布拉尼島 pinyin=Bùlānídǎo malayname=Pulau Brani tamilname= fill in Pulau Brani is an island located off the southern coast of Singapore, near Keppel Harbour. The island is situated between… …   Wikipedia

• Straits Trading Company — The Straits Trading Company Limited is a Singapore based corporation with operations in Singapore and Malaysia, as well as various localities in Asia and Australia. Founded in 1887, the company was the result of a partnership for tin smelting… …   Wikipedia