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1 разрушение лесного покрова
разрушение лесного покрова
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
forest cover destruction
Destruction of forests is carried out in many countries in order to provide new land for agricultural or livestock purposes. It is often done without factors such as climate and topography having been sufficiently studied and on lands where slope nature of the soil or other physiographic characteristics clearly indicate that the land involved is suitable only for forest. Although these practices may lead to a temporary increase in productivity, there are also many indications that in the long run there is usually a decrease in productivity per unit of surface and that erosion and irreversible soil deterioration often accompany this process. Many factors contribute to forest cover destruction: timber production, clearance for agriculture, cutting for firewood and charcoal, fires, droughts, strip mining, pollution, urban development, population pressures, and warfare. (Source: WPR)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
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Русско-немецкий словарь нормативно-технической терминологии > разрушение лесного покрова
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2 реостатный пускатель
реостатный пускатель
Пускатель, оснащенный одним или несколькими сопротивлениями для достижения при пуске заданного вращающего момента двигателя и ограничения тока.
(МЭС 441-14-42)
[ ГОСТ Р 50030.4.1-2002 (МЭК 60947-4-1-2000)]EN
rheostatic starter
starter utilizing one or several resistors for obtaining, during starting, stated motor torque characteristics and for limiting the current
NOTE - A rheostatic starter generally consists of three basic parts which may be supplied either as a composite unit or as separate units to be connected at the place of utilization:
– the mechanical switching devices for supplying the stator (generally associated with an overload protective device);
– the resistor(s) inserted in the stator or rotor circuit;
– the mechanical switching devices for cutting out the resistor(s) successively.
[IEV 441-14-42]
[IEC 60947-4-1, ed. 3.0 (2009-09)]FR
démarreur à résistances
démarreur utilisant une ou plusieurs résistances pour obtenir, au cours du démarrage, des caractéristiques données de couple de démarrage et pour limiter le courant
NOTE - Un démarreur à résistances est généralement composé de trois parties principales qui peuvent soit être fournies dans le même ensemble, soit être fournies séparément pour être raccordées entre elles sur le lieu d'utilisation:
– les appareils mécaniques de connexion pour alimentation du stator (généralement associés à un dispositif de protection contre les surcharges);
– la ou les résistances insérées dans le circuit du stator ou du rotor;
– les appareils mécaniques de connexion pour l'élimination successive de la ou des résistances.
[IEV 441-14-42]
[IEC 60947-4-1, ed. 3.0 (2009-09)]Тематики
- аппарат, изделие, устройство...
- контакторы и пускатели
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Русско-немецкий словарь нормативно-технической терминологии > реостатный пускатель
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