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coal brittleness

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  • Coal assay — Coal Analysis techniques are specific analytical methods designed to measure the particular physical and chemical properties of coals. These methods are used primarily to determine the suitability of coal for coking, power generation or for iron… …   Wikipedia

  • steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium

  • iron processing — Introduction       use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting.       Iron (Fe) is a… …   Universalium

  • Graphite — For other uses, see Graphite (disambiguation). Graphite Graphite specimen General Category Native element mineral …   Wikipedia

  • Wrought iron — is commercially pure iron. In contrast to steel, it has a very low carbon content. It is a fibrous material due to the slag inclusions (a normal constituent). This is also what gives it a grain resembling wood, which is visible when it is etched… …   Wikipedia

  • Charles de Gaulle — This article is about the French statesman. For other uses, see Charles de Gaulle (disambiguation). Charles De Gaulle President of the French Republic Co Prince of Andorra In office 8 January 195 …   Wikipedia

  • George Stephenson — Infobox Person name = George Stephenson caption = Mechanical Engineer and Inventor birth date = birth date|1781|6|9 birth place = Wylam, Northumberland, England death date = death date |1848|8|12| (age 67) death place = Tapton House, Chesterfield …   Wikipedia

  • Boiler — For the Limp Bizkit song, see Boiler (song). A portable boiler (preserved, Poland) …   Wikipedia

  • Allotropes of carbon — Eight allotropes of carbon: a) Diamond, b) Graphite, c) Lonsdaleite, d) C60 (Buckminsterfullerene or buckyball), e) C540, f) C70, g) Amorphous carbon, and h) single walled carbon nanotube or buckytube. This is a list of the allotropes of carb …   Wikipedia

  • HMS Warrior (1860) — For other ships of the same name, see HMS Warrior. HMS Warrior Career (UK) …   Wikipedia

  • materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …   Universalium

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