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1 top
A n1 ( highest or furthest part) (of page, ladder, stairs, wall) haut m ; ( of list) tête f ; (of mountain, hill) sommet m ; (of garden, field) (autre) bout m ; eight lines from the top à la huitième ligne à partir du haut de la page ; at the top of en haut de [page, stairs, street, scale] ; au sommet de [hill] ; en tête de [list] ; at the top of the building au dernier étage de l'immeuble ; at the top of the table à la place d'honneur ; to be at the top of one's list fig venir en tête de sa liste ; to be at the top of the agenda fig être une priorité ;2 fig (highest echelon, position) to aim for the top viser haut ; to be at the top of one's profession être tout en haut de l'échelle fig ; life can be tough at the top il n'est pas toujours facile d'être en haut de l'échelle ; to get to ou make it to the top réussir ; to be top of the class être le premier/la première de la classe ; to be top of the bill Theat être la tête d'affiche ;3 ( surface) (of table, water) surface f ; (of box, cake) dessus m ; to float to the top flotter à la surface ;4 ( upper part) partie f supérieure ; the top of the façade/of the building la partie supérieure de la façade/du bâtiment ; the top of the milk la crème du lait ;5 (cap, lid) ( of pen) capuchon m ; ( of bottle) gen bouchon m ; ( with serrated edge) capsule f ; (of paint-tin, saucepan) couvercle m ; ;7 Aut ( also top gear) ( fourth) quatrième (vitesse) f ; ( fifth) cinquième (vitesse) f ; to be in top être en quatrième or cinquième ;9 ( toy) toupie f.B adj1 ( highest) [step, storey] dernier/-ière ; [bunk] de haut ; [button, shelf] du haut ; [division] Sport premier/-ière ; [layer] supérieur ; [concern, priority] fig majeur ; in the top left-hand corner en haut à gauche ; the top corridor le couloir du dernier étage ; the top notes Mus les notes les plus hautes ; the top tax band la catégorie des plus imposables ; to pay the top price for sth [buyer] acheter qch au prix fort ; ‘we pay the top prices’ ‘nous achetons aux meilleurs prix’ ; to be in the top class at primary school être en cours moyen 2ème année ; to get top marks Sch avoir dix sur dix ou vingt sur vingt ; fig top marks to the company for its initiative vingt sur vingt à l'entreprise pour son initiative ;2 ( furthest away) [field, house] du bout ;3 ( leading) [adviser, authority, agency] plus grand ; [job] élevé ; one of their top chefs/soloists l'un de leurs plus grands chefs/solistes ; it's one of the top jobs c'est un des postes les plus élevés ; top people les gens importants ; ( bureaucrats) les hauts fonctionnaires ; to be in the top three être dans les trois premiers ;4 ( best) [wine, choice, buy, restaurant] meilleur ;5 ( upper) [lip] supérieur ; the top half of the body le haut du corps ; on her top half, she wore… comme haut elle avait mis… ;6 ( maximum) [speed] maximum ; we'll have to work at top speed nous allons devoir travailler le plus vite possible.1 lit sur [cupboard, fridge, layer] ;2 fig ( close to) the car was suddenly right on top of me ○ soudain la voiture était sur moi ; to live on top of each other vivre les uns sur les autres ;3 fig ( in addition to) en plus de [salary, workload] ; on top of everything else I have to do en plus de tout ce que j'ai à faire ;4 fig ( in control of) to be on top of a situation contrôler la situation ; to get on top of inflation maîtriser l'inflation ; you can never really feel on top of this job dans ce métier on se sent toujours un peu dépassé ; things are getting on top of her ( she's depressed) elle est déprimée ; ( she can't cope) elle ne s'en sort plus.1 ( head) être en tête de [charts, polls] ;2 ( exceed) dépasser [sum, figure, contribution] ;3 ( cap) renchérir sur [story, anecdote] ;4 ( finish off) gen compléter [building, creation] (with par) ; Culin recouvrir [cake, dish, layer] (with de) ; cake topped with frosting gâteau recouvert d'un glaçage ; each cake was topped with a cherry chaque petit gâteau avait une cerise dessus ; a mosque topped with three domes une mosquée surmontée de trois coupoles ;5 ○ ( kill) dégommer ○, tuer [person].on top of all this, to top it all ( after misfortune) par-dessus le marché ○ ; from top to bottom de fond en comble ; not to have very much up top ○ n'avoir rien dans le ciboulot ○ ; to be over the top ou OTT ○ (in behaviour, reaction) être exagéré ; he's really over the top ○ ! il exagère! il pousse ○ ! ; to be the tops ○ † être formidable ; to be/stay on top avoir/garder le dessus ; to be top dog être le chef ; to come out on top ( win) l'emporter ; (survive, triumph) s'en sortir ; to feel on top of the world être aux anges ; Mil to go over the top monter à l'assaut ; to say things off the top of one's head ( without thinking) dire n'importe quoi ; I'd say £5,000, but that's just off the top of my head ( without checking) moi, je dirais £5 000, mais c'est approximatif ; to shout at the top of one's voice crier à tue-tête ; to sleep like a top dormir comme un loir.■ top out:▶ top out [sth] mettre la dernière pierre à [building].■ top off:▶ top off [sth], top [sth] off compléter [meal, weekend, outing, creation] (with par) ; shall we top off our evening with a glass of champagne? si on complétait la soirée par un verre de champagne?■ top up to top up with petrol faire le plein ;▶ top up [sth], top [sth] up remplir (à nouveau) [tank, glass] ; ajouter de l'eau à [battery] ; may I top you up ○ ? je vous en remets? -
2 полихлорированный бифенил
полихлорированный бифенил
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
polychlorinated biphenyl
PCBs are a family of chemical compounds which do not exist in nature but which are man-made. Commercial mixtures are clear, pale yellow liquids, manufactured by the replacement of hydrogen atoms on the biphenyl molecule by chlorine. Because of their physical properties, PCBs are commonly found in electrical equipment which requires dielectric fluid such as power transformers and capacitors, as well as in hydraulic machinery, vacuum pumps, compressors and heat-exchanger fluids. Other uses include: lubricants, fluorescent light ballasts, paints, glues, waxes, carbonless copy paper, inks including newspapers, dust-control agents for dirt roads, solvents for spreading insecticides, cutting oils. PCBs are stable compounds and although they are no longer manufactured they are extremely persistent and remain in huge quantities in the atmosphere and in landfill sites. They are not water-soluble and float on the surface of water where they are eaten by aquatic animals and so enter the food chain. PCBs are fat-soluble, and are therefore easy to take into the system, but difficult to excrete. (Source: PZ / PHC)
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Русско-французский словарь нормативно-технической терминологии > полихлорированный бифенил
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