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1 rest
rest [rest]reste ⇒ 1 (a) repos ⇒ 1 (b) paix ⇒ 1 (c) support ⇒ 1 (d) silence ⇒ 1 (e) (se) reposer ⇒ 2 (a), 2 (b), 3 (a)-(c), 3 (g) (s')appuyer ⇒ 2 (b), 3 (b) fonder ⇒ 2 (b), 2 (c) être ⇒ 3 (d) résider ⇒ 3 (e)1 noun∎ take the rest of the cake prenez le reste ou ce qui reste du gâteau;∎ take the rest of the cakes prenez les autres gâteaux ou les gâteaux qui restent;∎ I'm keeping the rest of it for tomorrow je garde le reste ou le restant pour demain;∎ the rest of the time they watch television le reste du temps, ils regardent la télévision;∎ he's the only amateur, the rest of them are professionals c'est le seul amateur, les autres sont professionnels;∎ the rest of the group disagreed le reste du groupe n'était pas d'accord;∎ the rest of us nous autres, le reste (d'entre nous);∎ it's just another day like all the rest c'est un jour comme un autre;∎ (as) for the rest pour le reste, quant au reste;∎ and all the rest (of it), and the rest et tout le reste ou tout le tralala∎ (a) rest will do him good un peu de repos lui fera du bien;∎ try to get some rest essayez de vous reposer (un peu);∎ I had or I took a ten-minute rest je me suis reposé pendant dix minutes, j'ai fait une pause de dix minutes;∎ you need a week's rest/a good night's rest vous avez besoin d'une semaine de repos/d'une bonne nuit de sommeil;∎ my arms need a rest j'ai besoin de me reposer les bras;∎ after a moment's rest après s'être reposé quelques instants;∎ after her afternoon rest après sa sieste;∎ a day of rest une journée de repos;∎ she had to take several rests while climbing the stairs en montant l'escalier, elle a été obligée de s'arrêter à plusieurs reprises;∎ he needs a rest from the pressure/the children il a besoin de se détendre/d'un peu de temps sans les enfants;∎ he gave her no rest until she consented il ne lui a pas laissé une minute de répit jusqu'à ce qu'elle accepte;∎ his conscience gave him no rest sa conscience ne lui laissait pas de répit;∎ you'd better give the skiing a rest vous feriez mieux de ne pas faire de ski pendant un certain temps;∎ familiar give it a rest! arrête, tu veux?;∎ to put or to set sb's mind at rest tranquilliser ou rassurer qn;∎ the machines are at rest les machines sont au repos;∎ her hands were rarely at rest ses mains restaient rarement inactives;∎ to come to rest (vehicle, pendulum, ball) s'immobiliser, s'arrêter; (bird, falling object) se poser∎ eternal rest repos m éternel;∎ he's finally at rest il a finalement trouvé la paix;∎ to lay sb to rest porter qn en terre;∎ to lay or to put sth to rest (doubts, rumour, suspicions) dissiper qch; (allegation, notion) abandonner qch;∎ perhaps we could lay the matter to rest (not discuss any further) peut-être qu'on pourrait arrêter de parler de cette affaire une bonne fois pour toutes;∎ the matter should be laid to rest as quickly as possible (resolved) cette affaire doit être résolue au plus vite∎ she used it as a rest for her camera elle s'en est servie comme appui pour son appareil photo(f) (in poetry) césure f(a) (allow to relax) laisser se reposer;∎ to rest oneself se reposer;∎ they had to stop to rest the camels ils ont dû s'arrêter pour laisser se reposer les chameaux;∎ sit down and rest your legs assieds-toi et repose-toi les jambes;∎ Agriculture to rest a field mettre un champ en jachère;∎ (God) rest his soul! que Dieu ait son âme!, qu'il repose en paix!;∎ I rest my case Law j'ai conclu mon plaidoyer; figurative je n'ai rien d'autre à ajouter(b) (support, lean → gen) appuyer; (→ one's head) reposer (on sur); (→ one's hopes, confidence etc) fonder (on sur);∎ she rested her bicycle against a lamppost elle appuya sa bicyclette contre un réverbère;∎ I rested my suitcase on the step j'ai posé ma valise sur la marche;∎ he rested his arm on the back of the sofa son bras reposait sur le dossier du canapé∎ they set off again after resting for an hour ils se sont remis en route après s'être reposés pendant une heure;∎ horses resting in the shade des chevaux qui se reposent à l'ombre;∎ to be resting (actor) = se trouver sans engagement;∎ we shall not rest until the fight is won nous n'aurons de cesse que la lutte ne soit gagnée∎ the buildings rest on solid foundations les bâtiments reposent sur des fondations solides;∎ his arm rested on the back of the sofa son bras reposait sur le dossier du canapé;∎ his head was resting on her shoulder il avait la tête appuyée contre son épaule;∎ she was resting on her broom elle était appuyée sur son balai;∎ the skis were resting against the wall les skis étaient appuyés contre le mur∎ to rest on (argument, hope) reposer sur;∎ the theory rests on a false assumption la théorie repose sur une hypothèse fausse;∎ the whole problem rests on a misunderstanding tout le problème repose sur un malentendu(d) (be, remain) être;∎ rest assured we're doing our best soyez certain que nous faisons de notre mieux;∎ their fate rests in your hands leur sort est entre vos mains;∎ that's how things rest between us voilà où en sont les choses entre nous;∎ can't you let the matter rest? ne pouvez-vous pas abandonner cette idée?;∎ I won't let it rest at that cela ne se passera pas ainsi;∎ he just won't let it rest il y revient sans cesse(e) (reside, belong) résider;∎ power rests with the committee c'est le comité qui détient le pouvoir;∎ the choice rests with you c'est à vous de choisir;∎ the decision doesn't rest with me la décision ne dépend pas de moi∎ may they rest in peace! qu'ils reposent en paix!;∎ rest in peace (on gravestone) repose en paix (épitaphe)∎ the defence/the prosecution rests = formule de fin de plaidoyer ou de réquisitoire∎ to let a field rest laisser un champ en repos ou en jachère►► Cars rest area aire f de repos;rest cure cure f de repos;∎ figurative this job is no rest cure ce travail n'est pas une sinécure;rest day jour m de repos;American rest room toilettes fpl;∎ to make a rest stop faire une pause pour se détendrefamiliar se reposer (un peu)□, prendre un peu de repos□ -
2 воздействие лесоводства на окружающую среду
воздействие лесоводства на окружающую среду
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
environmental impact of forestry
The world's forestry resources are shrinking at an alarming rate. The need for foreign exchange encourages many developing countries to cut timber faster than forests can be regenerated. This overcutting not only depletes the resource that underpins the world timber trade, it causes loss of forest-based livelihoods, increases soil erosion and downstream flooding, and accelerates the loss of species and genetic resources. (Source: WPR)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
EN
DE
FR
Русско-французский словарь нормативно-технической терминологии > воздействие лесоводства на окружающую среду
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3 длительный допустимый ток
- courant permanent admissible, m
- courant admissible, m
(длительный) допустимый ток
Максимальное значение электрического тока, который может протекать длительно по проводнику, устройству или аппарату при определенных условиях без превышения определенного значения их температуры в установившемся режиме
[ ГОСТ Р МЭК 60050-826-2009]
Этот ток обозначают IZ
[ ГОСТ Р 50571. 1-2009 ( МЭК 60364-1: 2005)]EN
(continuous) current-carrying capacity
ampacity (US)
maximum value of electric current which can be carried continuously by a conductor, a device or an apparatus, under specified conditions without its steady-state temperature exceeding a specified value
[IEV number 826-11-13]
ampacity
The current in amperes that a conductor can carry continuously under the conditions of use without exceeding its temperature rating.
[National Electrical Cod]FR
courant (permanent) admissible, m
valeur maximale du courant électrique qui peut parcourir en permanence, un conducteur, un dispositif ou un appareil, sans que sa température de régime permanent, dans des conditions données, soit supérieure à la valeur spécifiée
[IEV number 826-11-13]Ampacity, the term is defined as the maximum amount of current a cable can carry before sustaining immediate or progressive deterioration. Also described as current rating or current-carrying capacity, is the RMS electric current which a device can continuously carry while remaining within its temperature rating. The ampacity of a cable depends on:
- its insulation temperature rating;
- conductor electrical properties for current;
- frequency, in the case of alternating currents;
- ability to dissipate heat, which depends on cable geometry and its surroundings;
- ambient temperature.
Electric wires have some resistance, and electric current flowing through them causes voltage drop and power dissipation, which heats the cable. Copper or aluminum can conduct a large amount of current before melting, but long before the conductors melt, their insulation would be damaged by the heat.
The ampacity for a power cable is thus based on physical and electrical properties of the material & construction of the conductor and of its insulation, ambient temperature, and environmental conditions adjacent to the cable. Having a large overall surface area may dissipate heat well if the environment can absorb the heat.
In a long run of cable, different conditions govern, and installation regulations normally specify that the most severe condition along the run governs the cable's rating. Cables run in wet or oily locations may carry a lower temperature rating than in a dry installation. Derating is necessary for multiple circuits in close proximity. When multiple cables are near, each contributes heat to the others and diminishes the amount of cooling air that can flow past the individual cables. The overall ampacity of the insulated conductors in a bundle of more than 3 must be derated, whether in a raceway or cable. Usually the de-rating factor is tabulated in a nation's wiring regulations.
Depending on the type of insulating material, common maximum allowable temperatures at the surface of the conductor are 60, 75 and 90 degrees Celsius, often with an ambient air temperature of 30°C. In the U.S., 105°C is allowed with ambient of 40°C, for larger power cables, especially those operating at more than 2 kV. Likewise, specific insulations are rated 150, 200 or 250°C.
The allowed current in cables generally needs to be decreased (derated) when the cable is covered with fireproofing material.
For example, the United States National Electric Code, Table 310-16, specifies that up to three 8 AWG copper wires having a common insulating material (THWN) in a raceway, cable, or direct burial has an ampacity of 50 A when the ambient air is 30°C, the conductor surface temperature allowed to be 75°C. A single insulated conductor in air has 70 A rating.
Ampacity rating is normally for continuous current, and short periods of overcurrent occur without harm in most cabling systems. The acceptable magnitude and duration of overcurrent is a more complex topic than ampacity.
When designing an electrical system, one will normally need to know the current rating for the following:- Wires
- Printed Circuit Board traces, where included
- Fuses
- Circuit breakers
- All or nearly all components used
Some devices are limited by power rating, and when this power rating occurs below their current limit, it is not necessary to know the current limit to design a system. A common example of this is lightbulb holders.
[http://en.wikipedia.org/wiki/Ampacity]
Тематики
- электротехника, основные понятия
Синонимы
EN
DE
- Dauerstrombelastbarkeit, f
- Strombelastbarkeit, f
FR
- courant admissible, m
- courant permanent admissible, m
Русско-французский словарь нормативно-технической терминологии > длительный допустимый ток
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