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Bessemer process
(Encyclopedia) CE5 Bessemer converter Bessemer process bĕsˈəmər [key] [for Sir Henry Bessemer], industrial process for the manufacture of steel from molten pig iron. The principle involved is that of oxidati...Imeritia
(Encyclopedia)Imeritia ĭmərĭshˈə [key], geographic and historic region, Georgia, in the upper Rion River basin. Kutaisi (the historic capital) and Chiatura are the main cities. Imeritia is an agricultural regi...Gaborone
(Encyclopedia)Gaborone gäbərōˈnē [key], city (1992 est. pop. 140,000), capital of Botswana. It is located on the country's major railroad line and has a small international airport. The city is the country's a...Krugersdorp
(Encyclopedia)Krugersdorp kro͞oˈgərzdôrp [key], city, part and seat of Mogale City local municipality, Gauteng prov., NE South Africa. The chief industrial city of the W Witwatersrand, Krugersdorp is the center...thermite
(Encyclopedia)thermite [from Thermit, a trade name], mixture of powdered or granular aluminum metal and powdered iron oxide. When ignited it gives off large amounts of heat. In wartime it has been used in incendiar...steel
(Encyclopedia)steel, alloy of iron, carbon, and small proportions of other elements. Iron contains impurities in the form of silicon, phosphorus, sulfur, and manganese; steelmaking involves the removal of these imp...Saipan
(Encyclopedia)Saipan sīˈpăn, sīpänˈ [key], volcanic island (2010 pop. 48,220), 47 sq mi (122 sq km), W Pacific, capital of the Northern Mariana Islands. It is mountainous; the highest peak is Mt. Tagpochau (1...Kherson
(Encyclopedia)Kherson khĕrsônˈ [key], city (1989 pop. 355,000), capital of Kherson region, S Ukraine, on the Dnieper River near its mouth on the Black Sea. It is a rail junction and a sea and river port, exporti...brass
(Encyclopedia)brass, alloy having copper (55%–90%) and zinc (10%–45%) as its essential components. The properties of brass vary with the proportion of copper and zinc and with the addition of small amounts of o...bead test
(Encyclopedia)bead test, test used in the identification of certain metals. Some metallic ions that cannot be identified by a flame test are identified by a bead test. The test can also be used to confirm the resul...Browse by Subject
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