surface melt penetration

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• Crevasse — is also a traditional term for a levee breach. Crossing a crevasse on the Easton Glacier, Mount Baker, in the North Cascades, Washington A crevasse is a deep crack in an ice sheet rhys glacier (as opposed to a crevice, which forms in rock).… …   Wikipedia

• transistor — /tran zis teuhr/, n. 1. Electronics. a semiconductor device that amplifies, oscillates, or switches the flow of current between two terminals by varying the current or voltage between one of the terminals and a third: although much smaller in… …   Universalium

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• Castleguard Cave — is a limestone cave located at the north end of Banff National Park in the Rocky Mountains of Canada. With 20,357m of surveyed passages (as of 2007), it is Canada’s longest cave, and its fifth deepest at 384m. Castleguard Cave ascends gently from …   Wikipedia

• Crevasse — Franchissement d une crevasse dans les North Cascades. Une crevasse est une ouverture naturelle dans un glacier. Plusieurs types de crevasses existent en fonction du terrain. Les crevasses peuvent représenter un véritable danger dans la pratique… …   Wikipédia en Français

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• Corium (nuclear reactor) — LFCM redirects here. For the airport, see List of airports by ICAO code: L. The Three Mile Island reactor 2 after the meltdown. Corium, also called fuel containing material (FCM) or lava like fuel containing material (LFCM), is a lava like molten …   Wikipedia

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• Gas tungsten arc welding — TIG welding of a bronze sculpture Gas tungsten arc welding (GTAW), also known as tungsten inert gas (TIG …   Wikipedia

• papermaking — [pā′pər māk΄iŋ] n. the making of paper papermaker n. * * * pa·per·mak·ing (pāʹpər mā kĭng) n. The process or craft of making paper.   paʹper·mak er n. * * * Introduction       formation of a matted or felted sheet, usually of cellulose fibres,… …   Universalium

• 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