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1 водная эрозия
водная эрозия
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
water erosion
The breakdown of solid rock into smaller particles and its removal by water. As weathering, erosion is a natural geological process, but more rapid soil erosion results from poor land-use practices, leading to the loss of fertile topsoil and to the silting of dams, lakes, rivers and harbours. There are three classes of erosion by water. a) Splash erosion occurs when raindrops strike bare soil, causing it to splash, as mud, to flow into spaces in the soil and to turn the upper layer of soil into a structureless, compacted mass that dries with a hard, largely impermeable crust. b) Surface flow occurs when soil is removed with surface run-off during heavy rain. c) Channelized flow occurs when a flowing mixture of water and soil cuts a channel, which is then deepened by further scouring. A minor erosion channel is called a rill, a larger channel a gully. (Source: ALL)
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Русско-немецкий словарь нормативно-технической терминологии > водная эрозия
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2 верхняя грань наклонной поверхности подошвы рельса
верхняя грань наклонной поверхности подошвы рельса
Наклонная поверхность подошвы рельса, соединяющая его шейку с нижней наклонной гранью подошвы.
[ ГОСТ Р 50542-93]Тематики
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Русско-немецкий словарь нормативно-технической терминологии > верхняя грань наклонной поверхности подошвы рельса
См. также в других словарях:
upper surface — noun the side that is uppermost • Hypernyms: ↑side • Hyponyms: ↑ceiling … Useful english dictionary
wafer upper surface — viršutinis plokštelės paviršius statusas T sritis radioelektronika atitikmenys: angl. wafer upper surface vok. Wafervorderseite, f rus. верхняя поверхность пластины, f pranc. surface supérieure de la tranche, f … Radioelektronikos terminų žodynas
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Upper extremity of radius — Infobox Bone Name = Upper extremity of radius Latin = GraySubject = 52 GrayPage = 219 Caption = The radius and ulna of the left forearm, posterior surface. The top is proximal (elbow) and bottom is distal (wrist). Caption2 = Precursor = System =… … Wikipedia
Surface tension — For the work of fiction, see Surface Tension (short story). Surface tension is a property of the surface of a liquid that causes it to behave as an elastic sheet. It allows insects, such as the water strider (pond skater, UK), to walk on water.… … Wikipedia
surface — Ili, iliwai, lau; papa (flat); alo (upper). Surface of the earth, ili honua, papakū. Surface of the sea, ilikai … English-Hawaiian dictionary
surface supérieure de la tranche — viršutinis plokštelės paviršius statusas T sritis radioelektronika atitikmenys: angl. wafer upper surface vok. Wafervorderseite, f rus. верхняя поверхность пластины, f pranc. surface supérieure de la tranche, f … Radioelektronikos terminų žodynas
upper camber — The curvature of the upper surface of an airfoil. It is the distance between the mean camber line and the chord line when the mean camber line lies above the chord line. Also called a positive camber. See also camber … Aviation dictionary
Surface reconstruction — refers to the process by which atoms at the surface of a crystal assume a different structure than that of the bulk. Surface reconstructions are important in that they help in the understanding of surface chemistry for various materials,… … Wikipedia
