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1 trace element
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2 trace element
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3 trace
trace [treɪs]1 noun∎ to disappear or to sink without trace disparaître sans laisser de traces;∎ there is no trace of it now il n'en reste plus aucune trace;∎ there's not a trace of your wallet anywhere in the house ton portefeuille n'est nulle part dans la maison;∎ we've lost all trace of her nous ignorons ce qu'elle est devenue(b) (small amount) trace f,∎ traces of cocaine were found in his blood l'analyse de son sang a révélé des traces de cocaïne;∎ without a trace of fear sans la moindre peur;∎ there was the trace of a smile on her face il y avait l'ombre d'un sourire sur son visage∎ a radar trace la trace d'un spot∎ in the traces attelé;∎ figurative to kick over the traces (person → rebel) ruer dans les brancards; (→ break free) s'émanciper∎ she traced him as far as New York elle a suivi sa piste jusqu'à New York;∎ I can't trace any reference to that letter je ne trouve aucune mention de cette lettre;∎ they traced the murder to him ils ont finalement établi qu'il était le meurtrier;∎ they traced the lost shipment ils ont retrouvé la cargaison égarée;∎ we eventually traced the problem to a computer error nous avons finalement découvert que le problème était dû à une erreur de l'ordinateur(b) (follow development of) suivre;∎ the film traces the rise to power of a gangland boss ce film relate l'ascension d'un chef de gang∎ he traced (out) a map in the sand with his finger avec son doigt, il a dessiné un plan sur le sable►► trace element oligo-élément m;trace fossil trace f fossile∎ to trace sth back to its source retrouver l'origine de qch;∎ she can trace her ancestry back to the 15th century sa famille remonte au XVème siècle;∎ he traced the rumour back to her il a découvert qu'elle était à l'origine de cette rumeur;∎ the cause of the epidemic was traced back to an infected water supply on a découvert que l'épidémie était due à la contamination de l'alimentation en eau∎ to trace back to remonter à;∎ his family traces back to the Norman Conquest sa famille remonte à la conquête de l'Angleterre par les Normands(b) (be due to) être dû à -
4 trace
trace [treɪs]1. nountrace f• they traced him as far as Paris but then lost him ils ont pu suivre sa trace jusqu'à Paris mais l'ont perdu par la suite3. compounds• this traces back to the loss of... ceci est imputable à la perte de...• to trace back one's ancestry to... faire remonter sa famille à...• they traced the murder weapon back to a shop in Leeds ils ont réussi à établir que l'arme du crime provenait d'un magasin de Leeds* * *[treɪs] 1.1) ( evidence) trace fwithout trace — [disappear, sink] sans laisser de traces
2) ( hint) (of irony, flavour, garlic) soupçon m; ( of accent) pointe f; (of chemical, drug) trace f3) ( of harness) trait m2.transitive verb1) ( locate) retrouver [person, weapon, car]; dépister [fault]; déterminer [cause]the call was traced to a London number — on a pu établir que le coup de téléphone venait d'un numéro à Londres
2) faire l'historique de [development, growth]; retracer [life, progress]; faire remonter [origins, ancestry]•Phrasal Verbs:•• -
5 trace elements
(elements that are needed in small quantities for the growing and developing of animal and plant life.) oligo-élément -
6 seltenes Element
Deutsch-Französisch Wörterbuch für Geographie > seltenes Element
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7 элемент в следовом количестве
элемент в следовом количестве
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
trace element
Any of various chemical elements that occur in very small amounts in organisms and are essential for many physiological and biochemical processes. (Source: CED)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
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FR
Русско-французский словарь нормативно-технической терминологии > элемент в следовом количестве
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8 микроэлемент
élément de trace, stème, oligo-élément -
9 elemento raro
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10 редкоземельный элемент
Русско-французский географический словарь > редкоземельный элемент
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11 микрокомпонент
infstème; élément de trace -
12 microelemento
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13 плутоний
плутоний
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
plutonium
A highly toxic metallic transuranic element. It occurs in trace amounts in uranium ores and is produced in a nuclear reactor by neutron bombardment of uranium-238. The most stable and important isotope, plutonium-239, readily undergoes fission and is used as a reactor fuel in nuclear power stations and in nuclear weapons. (Source: CED)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
EN
DE
FR
Русско-французский словарь нормативно-технической терминологии > плутоний
См. также в других словарях:
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Trace element — In analytical chemistry, a trace element is an element in a sample that has an average concentration of less than 100 parts per million measured in atomic count, or less than 100 micrograms per gram. In biochemistry, a trace element is a chemical … Wikipedia
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trace element — trace′ el ement n. 1) biochem. any chemical element that is required in minute quantities for physiological functioning 2) mir a substance that occurs naturally only in minute amounts in the earth s crust Also called trace′ min eral. Etymology:… … From formal English to slang
trace element — Biochem. any element that is required in minute quantities for physiological functioning. Also called trace mineral. [1935 40] * * * ▪ biology also called Micronutrient, in biology, any chemical element required by living organisms in… … Universalium
trace element — an element that is required in minute concentrations for normal growth and development. Trace elements include fluorine (see fluoride), manganese, zinc, copper, iodine, cobalt, selenium, molybdenum, chromium, and silicon. They may serve as… … The new mediacal dictionary
trace element — noun an element that occurs at very small quantities in the body but is nonetheless important for many biological processes • Hypernyms: ↑chemical element, ↑element … Useful english dictionary