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Degradation [geomorphology]
| Глоссарий геологических терминов |
The wearing down or away, and the general lowering of the land surface by natural processes of weathering and erosion (e.g., the deepening by a stream of its channel) and may infer the process of transportation of sediment. compare - destructional. gg
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Degradation, английский
- Dégradation
- The progressive failure of a machine or lubricant.
- Disintegration of a paint film by heat, moisture, sunlight, or natural causes.
- Debasement and disgrace. the suspension of a petty officer from his station; and also the depriving an officer or soldier of his arms previous to his being delivered over to the civil power for execution.
- In computer systems, a reduction in level of performance or service. degradation in microcomputer performance is indicated by slow response times or frequent pauses for disk access because memory is insufficient to hold an entire program plus the data the program is using.
- The loss of desirable physical properties by a textile material as a result of some process or physical/chemical phenomenon.
Degradation, английский
Degradation factor, английский
Коэффициент снижения производительности; степень деградации
Degradation failure, английский
Постепенный отказ
Degradation mechanism, английский
Механизм ухудшения характеристик
Degradation of cellulose, английский
Degradation of radar defense system, английский
Система постановки (активных и пассивных) радиолокационных помех
Degradation product, английский
Degradation screens, английский
Degradation vacuity, английский
The space-time value o f the degradationally removed part o f a transgressive-regressive depositional succession; the part o f a lacuna resulting from the degradation o f formerly existing rocks at an unconformity (wheeler, 1964, p. 602).
Degradation, image quality loss, английский
Loss of image quality or definition for any number of reasons including intentional ones. quote: i don`t like forced development and flashing. because i do like a fairly rich negative with good blacks, i`m not keen on the strong use of fog filters, although on occasion i use them. i don`t like the effect they produce. [also] you`re going to have to make a dupe negative. so you`re into a degradation with the dupe. then any opticals . . . give you further degradation. then . . . the projector is not so good; it hasn`t got a very sharp lens or there`s not enough light. at every stage along the line, the picture`s going to deteriorate . . . so i`m very reluctant to have a degraded negative in the first instance. i think you`re cheating your audience. they`ve got a right to see what`s on the screen. - billy williams [ml].
Degradative ability, английский
Способность разлагать
Weathering, английский
- The mechanical or chemical disintegration and discolouration of the surface of wood caused by exposure to light, the action of dust and sand carried by winds, and the alternate shrinking and swelling of the surface fibres with the variation in moisture co
- The mechanical or chemical disintegration and discoloration of the surface of wood caused by exposure to light, the action of dust and sand carried by winds, and the alternate shrinking and swelling of the surface fibers with the continual variation in moisture content brought by changes in the weather
- Способность сопротивляться выветриванию [воздействию погодных факторов], атмосферостойкость ~ of structure to perform satisfactory способность сооружения выполнять своё функциональное назначение, соответствие сооружения требованиям нормальной эксплуатации
- All physical disintegration, chemical decomposition, and biologically induced changes in rocks or other deposits at or near the earth`s surface by atmospheric or biologic agents or circulating surface waters with essentially no transport of the altered material. these changes result in disintegration and decomposition of the material. compare - regolith, residuum, saprolite. hp
- Refers to the various processes of physical disintegration and chemical
- The breakdown of large rock masses into smaller pieces by physical and chemical climatological processes.
Transportation, английский
- Транспортировка, перевозка
- Also conveyance, carriage
- Транспортирование; перевозки
Destructional, английский
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Delta plain, английский
The level or nearly level surface composing the land-ward part of a large delta; strictly, a flood plain characterized by repeated channel bifurcation and divergence, multiple distributary channels, and interdistributary flood basins. gg
Deflation flat - (colloquial, английский
Us gulf coast) a series of low ridges and troughs on an essentially flat surface on barrier islands formed by dune field migration during alternating wet and dry periods; a type of interdune. troughs are eroded down to the wet sand level during drought periods (dune slack), while the ridges are stabilized by vegetation that invades the edge of dune fields during wet periods. compare - blowout, deflation basin. hf
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