TERMIUM Plus^®

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The change in absorption length and loss in light yield was determined by a spectrophotometer for wavelength resolved measurements on small samples and a movable UV lamp for more precise investigations on more realistic larger samples.  2, fiche 1, Anglais, - absorption%20length

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absorption length: term extracted from the “Glossaire de l’énergie nucléaire” and reproduced with permission of the Organisation for Economic Co-operation and Development.  3, fiche 1, Anglais, - absorption%20length

Fiche 1,  Justifications,  Français

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longueur d'absorption : terme extrait du «Glossaire de l’énergie nucléaire» et reproduit avec l’autorisation de l’Organisation de coopération et de développement économiques.  2, fiche 1, Français, - longueur%20d%27absorption

Fiche 1,  Justifications,  Espagnol

Fiche 2,  Justifications,  Anglais

Record number: 2, Textual support number: 1 CONT

Inductively coupled electrodeless system : An induction coil is powered by a frequency generator. The induced current causes acceleration of charged particles inside the lamp bulb. The metal vapour atoms are excited and ionized causing the release of ultra-violet energy. The UV [ultra-violet] energy causes the phosphor coating on the lamp wall to glow, creating white light.  2, fiche 2, Anglais, - inductively%20coupled%20electrodeless%20system

Fiche 2,  Justifications,  Français

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Système sans électrodes à couplage par induction : Une bobine d’induction est alimentée par un générateur à haute fréquence. Le courant induit suscite l’accélération des particules chargées à l’intérieur de l’ampoule de la lampe. Les atomes de vapeur du métal sont alors excités et ionisés, ce qui entraîne un dégagement d’énergie ultra-violette. Cette énergie UV [ultra-violet] rend luminescente la couche de phosphore sur la paroi interne de l’ampoule, produisant de la lumière blanche.  1, fiche 2, Français, - syst%C3%A8me%20sans%20%C3%A9lectrodes%20%C3%A0%20couplage%20par%20induction

Fiche 2,  Justifications,  Espagnol

Fiche 3,  Justifications,  Anglais

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The richness of spectral emission from the short UV through the visible and into the near infrared, makes the mercury capillary lamp ideal for many laboratory applications. The simplicity of design and construction makes this class of lamp the lowest price, cost-per-watt, high intensity source available.  2, fiche 3, Anglais, - capillary%20lamp

Fiche 3,  Justifications,  Français

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Lampe à haute intensité fournissant une puissante source de lumière visible et d'ultraviolets.  2, fiche 3, Français, - lampe%20capillaire

Fiche 3,  Justifications,  Espagnol

Fiche 4,  Justifications,  Anglais

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... monochromatic UV photometer available from Du Pont; similar designs are widely used in modern LC. UV radiation at 254 nm from a low-pressure mercury lamp shines on the entrance of a flow cell and is transmitted through this sample cell and strikes the analytical prototube. Radiation from the source also is directed through a neutral-density filter, and then to the reference photocell. Current from these photocells is fed to log amplifiers, which generate an output linear with solute concentration. The output signal to the recorder normally is attenuated with a simple bridge network.  1, fiche 4, Anglais, - monochromatic%20UV%20photometer

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Fiche 5,  Justifications,  Anglais

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Multiple-wavelength UV photometers often use a source(e. g. a medium-pressure mercury lamp) that has several of these relatively intense lines, with appropriate filters for selecting the desired wavelength.  1, fiche 5, Anglais, - multiple%2Dwavelength%20UV%20photometer

Fiche 5,  Justifications,  Français

Fiche 5,  Justifications,  Espagnol