TERMIUM Plus^®

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Quantum mottle is defined as the variation in density of a uniformly exposed radiograph that results from the random spatial distribution of the x-ray quanta absorbed in the screen.  3, fiche 1, Anglais, - quantum%20mottle

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Fiche 1,  Justifications,  Espagnol

Fiche 2,  Justifications,  Anglais

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An automatic system that is used to screen air passengers and their luggage with X-ray technology equipment and computers in order to detect the presence of explosives.  1, fiche 2, Anglais, - explosives%20detection%20system

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explosives detection system; EDS: term, abbreviation and definition standardized by the Canadian Capability-Based Planning Terminology Committee and the Translation Bureau.  3, fiche 2, Anglais, - explosives%20detection%20system

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Système automatique utilisé pour inspecter les passagers aériens et leurs bagages au moyen d'appareils de détection par radioscopie et d'ordinateurs afin de détecter la présence d'explosifs.  2, fiche 2, Français, - syst%C3%A8me%20de%20d%C3%A9tection%20d%27explosifs

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système de détection d'explosifs; SDE; détecteur d'explosifs : termes, abréviation et définition normalisés par le Comité de terminologie de la planification axée sur les capacités au Canada et le Bureau de la traduction.  3, fiche 2, Français, - syst%C3%A8me%20de%20d%C3%A9tection%20d%27explosifs

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Fiche 3,  Justifications,  Anglais

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The detector is comprised of a pair of x-ray intensifying screen/linear photodiode arrays, aligned one behind the other. Energy discrimination is achieved by employing a low atomic number phosphor in the front screen and a high atomic number phosphor in the back screen.  1, fiche 3, Anglais, - front%20screen

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Les écrans renforçateurs sont habituellement utilisés par paires, un écran de chaque côté du film.  2, fiche 3, Français, - %C3%A9cran%20avant

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Fiche 4,  Justifications,  Anglais

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The detector is comprised of a pair of x-ray intensifying screen/linear photodiode arrays, aligned one behind the other. Energy discrimination is achieved by employing a low atomic number phosphor in the front screen and a high atomic number phosphor in the back screen.  1, fiche 4, Anglais, - back%20screen

Fiche 4,  Justifications,  Français

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Les écrans renforçateurs sont habituellement utilisés par paires, un écran de chaque côté du film.  2, fiche 4, Français, - %C3%A9cran%20arri%C3%A8re

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A fluorescent screen designed for use with an x-ray tube to permit direct visual observation of x-ray shadow images of objects interposed between the x-ray tube and the screen.  3, fiche 5, Anglais, - fluoroscopic%20screen

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Écran fluorescent destiné à l'observation directe de l'image radiologique et doublé d'une vitre au plomb absorbant les rayons X pour protéger l'examinateur.  2, fiche 5, Français, - %C3%A9cran%20radioscopique

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Fiche 6,  Justifications,  Anglais

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[A] photographic film coated with a light sensitive or radiation sensitive emulsion on one side.  1, fiche 6, Anglais, - single%20emulsion%20film

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Because the emulsion shrinks when it dries, single emulsion films tend to curl toward the emulsion side. To avoid curling due to shrinkage and to be used with an intensifying screen, x-ray film is usually double emulsion film or coated with emulsion on both sides.  1, fiche 6, Anglais, - single%20emulsion%20film

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Film radiographique ayant une seule couche d'émulsion.  1, fiche 6, Français, - film%20monocouche

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[Le film monocouche] est destiné, couplé à un écran approprié, à la mammographie et aux explorations des extrémités. Moins sensible, il a une meilleure résolution spatiale.  1, fiche 6, Français, - film%20monocouche

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Fiche 7,  Justifications,  Anglais

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X-ray powder diffraction is used in the identification of crystalline phases in unknown samples, finding the lattice parameter and other lattice related information, quantitative determination of phases in multiphase samples, finding the orientation in single crystals, and stereographic projections. The samples must be crystalline solids such as metals, ceramics, rocks etc. These samples are usually about 1 mg in size. If the sample fits in the sample holder then there is no preparation necessary otherwise the sample may have to be crushed in order to fit. The sample takes less than one hour to be analyzed for qualitative analysis in major phases and up to 16 hours for trace phases. The quantitative analysis can take several minutes to several hours after set up. There are several detectors used in XRPD varying from films to cameras to diffractometers.  1, fiche 7, Anglais, - x%2Dray%20powder%20diffraction

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Powder X-Ray Diffraction. Powders of crystalline materials diffract X-Rays. A beam of X-rays passing through a sample of randomly-oriented micro-crystals produces a pattern of rings on a distant screen. Powder X-Ray diffraction provides less information than single-crystal diffraction, however, it is much simpler and faster. Powder X-Ray diffraction is useful for confirming the identity of a solid material and determining crystallinity and phase purity. Modern powder X-Ray diffractometers consist of an X-Ray source, a movable sample platform, an X-Ray detector, and associated computer-controlled electronics. The sample is either packed into a shallow cup-shaped holder or deposited as a slurry onto a quartz substrate, and the sample holder spins slowly during the experiment to reduce sample heating. The X-Ray source is usually the same as used in single-crystal diffractometers, Mo or Cu. The X-Ray beam is fixed and the sample platform rotates with respect to the beam by an angle theta. The detector rotates at twice the rate of the sample and is at an angle of 2 theta with respect to the incoming X-Ray beam.  4, fiche 7, Anglais, - x%2Dray%20powder%20diffraction

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Fine particles such as clays must be separated from larger particles and measured separately if they are to be detected properly. To reduce errors associated with preferred orientation of minerals, samples are most commonly ground to a powder before analysis, a technique known as powder X-ray diffraction.  4, fiche 7, Anglais, - x%2Dray%20powder%20diffraction

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X-ray powder diffraction (XRD) is a direct method for qualitative and quantitative characterization of fine-grained materials such as clinker and cement, and may also be used for analysis of raw materials. Each phase produces a unique diffraction pattern independent of others, with the intensity of each pattern proportional to that phases concentration in a mixture.  5, fiche 7, Anglais, - x%2Dray%20powder%20diffraction

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Diffraction de rayons sur poudres : analyse quantitative de composés modèles du ciment anhydre. [...] Ce stage sera consacré à la caractérisation par diffraction des rayons X de mélanges d'alites de synthèse M1 et M3. La méthode expérimentale utilisée sera la diffraction des rayons X sur poudres jointe aux autres méthodes de laboratoire associées.  1, fiche 7, Français, - diffraction%20de%20rayons%20X%20sur%20poudres

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À l'aide de la diffraction de rayons X de poudres, différentes formes polymorphiques peuvent être détectées pour des molécules à activité pharmacologique.  2, fiche 7, Français, - diffraction%20de%20rayons%20X%20sur%20poudres

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Fiche 8,  Justifications,  Anglais

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At the Texas International [airport] therminal ... the departing passenger finds himself at the baggage X-ray machine and walk-through metal detector immediately upon entering the terminal.  1, fiche 8, Anglais, - baggage%20X%2Dray%20machine

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... the three elements of Rapidex,... an integrated security system,... are a metal detection gateway, baggage X-ray unit with visual display screen and zoom close-inspection facility, and an explosive gas/vapour detection system....  2, fiche 8, Anglais, - baggage%20X%2Dray%20machine

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[...] le système Rapidex pour la fouille des passagers et des bagages à main dans les aérogares comprend [...] un portique pour la détection d'objets métalliques sur le voyageur, un appareil à rayons X pour le contrôle radioscopique des bagages et un détecteur de vapeurs et de gaz explosifs [...]  1, fiche 8, Français, - appareil%20%C3%A0%20rayons%20X%20pour%20le%20contr%C3%B4le%20radioscopique%20des%20bagages

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Les installations de Texas International [...] : le passager au départ trouve, dès l'entrée de l'aérogare, l'appareil d'inspection des bagages et le tunnel du détecteur de métaux.  3, fiche 8, Français, - appareil%20%C3%A0%20rayons%20X%20pour%20le%20contr%C3%B4le%20radioscopique%20des%20bagages

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"Système d'inspection des bagages aux rayons X".  4, fiche 8, Français, - appareil%20%C3%A0%20rayons%20X%20pour%20le%20contr%C3%B4le%20radioscopique%20des%20bagages

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Standard CAN/CGSB-29. 1-M89 of the Canadian General Standards Board(CGSB), published in 2001. This standard applies to medical X-ray screen films used in diagnostic radiography.  1, fiche 9, Anglais, - Intensifying%20Screen%20Type%20Diagnostic%20X%2DRay%20Film

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Norme CAN/CGSB-29.1-M89 de l'Office des normes générales du Canada (ONGC), publiée en 2001. La présente norme s'applique aux films rayons X, du type écran, utilisés en radiographie pour les diagnostics médicaux.  1, fiche 9, Français, - Film%2C%20rayons%20X%2C%20diagnostique%2C%20type%20%C3%A9cran%20intensifiant

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Fiche 10,  Justifications,  Anglais

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You will have a scan of your new kidney after surgery. A renal scan is a painless test just like an x-ray... You will be taken on a stretcher to the Nuclear Medicine Department. A special dye will be injected through your I. V. or vein. The dye will outline the kidney and bladder. This outline will appear on a computer screen. The picture will tell the doctor how well your new kidney is working.  1, fiche 10, Anglais, - renal%20scan

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Au cours des dix dernières années, de nouvelles méthodes d'imagerie ne nécessitant plus d'injection de produit de contraste iodé ont permis de faciliter la surveillance à court et à long terme de la transplantation rénale. La scintigraphie rénale, voire la double scintigraphie utilisant des isotopes permettant d'étudier la filtration ou la sécrétion tubulaire du rein, l'imagerie IRM dont la sémiologie s'est précisée, l'échographie associée au Doppler pulsé, ont permis une nouvelle approche diagnostique des pathologies que va rencontrer le greffon au cours de son existence.  1, fiche 10, Français, - scintigraphie%20r%C3%A9nale

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Essentially the machines emit a 60, 000 th of a second X-ray blip through mail, which is displayed on a video screen.  2, fiche 11, Anglais, - X%2Dray%20blip

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Chaque fois qu'un faisceau d'électrons rapides est arrêté par un obstacle solide, il y a émission de rayons X.  2, fiche 11, Français, - %C3%A9mission%20de%20rayons%20X

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Fiche 12,  Justifications,  Anglais

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Phototimers contain a fluorescent material which emits light when exposed to the x-ray beam. The light is directed toward a photocathode which emits electrons when struck by light. The number of electrons emitted is proportional to the brightness of the light which in turn is proportional to the x-ray intensity striking the fluorescent screen. This flow of electrons is amplified in a photomultiplier and... automatically terminates the exposure when a predetermined exposure has been reached.  2, fiche 12, Anglais, - exposer%20timer

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Dispositif de détermination et de commande automatique du temps de pose en radiographie.  1, fiche 12, Français, - photominuterie

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Termes et définition tirés de la norme NF-C74-100, 1972.  1, fiche 12, Français, - photominuterie

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