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11Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… …
12separation and purification — ▪ chemistry Introduction in chemistry, separation of a substance into its components and the removal of impurities. There are a large number of important applications in fields such as medicine and manufacturing. General principles… …
13Nosocomial infection — Classification and external resources Contaminated surfaces increase cross transmission ICD 10 Y …
14William Gossage — Infobox Scientist name = William Gossage image width = 220px caption = William Gossage birth date = birth date|1799|5|12 birth place = Burgh le Marsh, Lincolnshire, England death date = death date and age|1877|4|9|1799|5|12 death place = Dunham… …
15Disinfectant — This article is about antimicrobial agents. For the Macintosh anti virus software, see Disinfectant (software). Disinfection of a floor using disinfectant liquid applied using a mop Disinfectants are substances that are applied to non living… …
16Newcastle, New South Wales — This article is about the metropolitan area in Australia. For the local government area, see City of Newcastle. Newcastle New South Wales Central Newcastle to …
17Spain — /spayn/, n. a kingdom in SW Europe. Including the Balearic and Canary islands, 39,244,195; 194,988 sq. mi. (505,019 sq. km). Cap.: Madrid. Spanish, España. * * * Spain Introduction Spain Background: Spain s powerful world empire of the 16th and… …
18Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
19Shaving — This article is about the use of a razor. For the thin strip removed from the surface of a piece of wood by planing, see Plane (tool). For the metalworking process, see Piercing (metalworking)#Shaving. A man shaving his undercheek using a… …
20applied logic — Introduction the study of the practical art of right reasoning. The formalism (formal logic) and theoretical results of pure logic can be clothed with meanings derived from a variety of sources within philosophy as well as from other… …
