TERMIUM Plus^®

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Choroidal melanoma is an ominous malignant tumor of the eye, with propensity for hematogenous metastasis to the liver, lung, and other sites. The management of choroidal melanoma is primarily with enucleation or forms of radiotherapy, including plaque radiotherapy or proton beam radiotherapy.... Despite excellent control, radiotherapy for choroidal melanoma can lead to visually disabling radiation side effects, particularly in patients with macular involvement. These side effects include cataract, retinopathy, papillopathy, and maculopathy. Radiation maculopathy is one of the most common causes of visual loss following radiotherapy and can lead to irreversible blindness.  2, fiche 1, Anglais, - radiation%2Dinduced%20maculopathy

Fiche 1,  Justifications,  Français

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radique : Provoqué par une radiothérapie.  2, fiche 1, Français, - maculopathie%20radique

Fiche 1,  Justifications,  Espagnol

Fiche 2,  Justifications,  Anglais

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Aperture diaphragm : is the simplest type of beam restricting device. It consists of a sheet of lead with a hole in the center that determines the size and shape of the beam and attaches directly to the x-ray tube.  1, fiche 2, Anglais, - aperture%20diaphragm

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Fiche 3,  Justifications,  Anglais

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Since attenuation coefficients are very dependent on x-ray energy, the altered energies of a polychromatic beam lead to different attenuations of the same material.  2, fiche 3, Anglais, - polychromatic%20beam

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Fiche 5,  Justifications,  Anglais

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The bending of a beam or structure under an applied load, and which may be increased until the breaking strain is reached. The deflection may be small in amount, and the beam or structure return to its original form, or it may increase and accumulate, becoming permanently set(q. v.), or it may go farther and lead to fracture of the beam.  8, fiche 5, Anglais, - deflection

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Fléchissement d'une pièce de charpente (poutre, barre) sous l'effet d'une charge.  4, fiche 5, Français, - flexion

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Les forces perpendiculaires à l'axe longitudinal sont appliquées en des points où la pièce n'est pas soutenue. Sous l'effet de la charge, la pièce s'incurve vers le bas en prenant une certaine flèche. On dit que la pièce fléchit.  4, fiche 5, Français, - flexion

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Fiche 6,  Justifications,  Anglais

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Method for investigating atmospheric behaviour using pulsed light beams (lasers).  7, fiche 6, Anglais, - light%20detection%20and%20ranging

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Light detection and ranging(lidar) is a technique in which a beam of light is used to make range-resolved remote measurements. A lidar [instrument] emits a beam of light, that interacts with the medium or object under study. Some of this light is scattered back toward the lidar. The backscattered light captured by the lidar's receiver is used to determine some property or properties of the medium in which the beam propagated or the object that caused the scattering. The lidar technique operates on the same principle as radar; in fact, it is sometimes called laser radar. The principal difference between lidar and radar is the wavelength of the radiation used. Radar uses wavelengths in the radio band whereas lidar uses light, that is usually generated by lasers in modern lidar systems. The wavelength or wavelengths of the light used by a lidar depend on the type of measurements being made and may be anywhere from the infrared through the visible and into the ultraviolet. The different wavelengths used by radar and lidar lead to the very different forms that the actual instruments take. The major scientific use of lidar is for measuring properties of the earth's atmosphere, and the major commercial use of lidar is in aerial surveying and bathymetry(water depth measurement). Lidar is also used extensively in ocean research and has several military applications, including chemical and biological agent detection. Lidar can also be used to locate, identify, and measure the speed of vehicles. Hunters and golfers use lidar-equipped binoculars for range finding.  6, fiche 6, Anglais, - light%20detection%20and%20ranging

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Méthode d'étude du comportement de l'atmosphère à l'aide de faisceaux lumineux pulsés (lasers).  4, fiche 6, Français, - d%C3%A9tection%20et%20t%C3%A9l%C3%A9m%C3%A9trie%20par%20ondes%20lumineuses

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La détection se fait par des cellules optiques suivies de photomultiplicateurs.  5, fiche 6, Français, - d%C3%A9tection%20et%20t%C3%A9l%C3%A9m%C3%A9trie%20par%20ondes%20lumineuses

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Método para investigar las características atmosféricas usando pulsaciones de haces de luz (láser).  1, fiche 6, Espagnol, - lidar

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"collimator" : In radiography,... an adjustable beam delimiter attached to the x-ray tube housing the port. Two pairs of movable iron or lead shutters form a rectangular aperture through which the primary beam passes. All new diagnostic x-ray machines are required by federal regulations to have an automatic collimator, which limits the beam to the exact site of the film.  1, fiche 7, Anglais, - automatic%20collimator

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«collimateur» : Appareil permettant d'obtenir un faisceau de rayons lumineux parallèles.  2, fiche 7, Français, - collimateur%20motoris%C3%A9

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Fiche 8,  Justifications,  Anglais

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A face bonded semiconductor chip is one that has circuitry side facing the substrate. Flip chip and beam lead bonding are the two common face bonding methods. Opposite of back bonding.  1, fiche 8, Anglais, - face%20bonding

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Fiche 9,  Justifications,  Anglais

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A thermocompression, multicontact bond accomplished by rocking(or wobbling) a bonding tool on the beams of a beam lead device.  1, fiche 9, Anglais, - wobble%20bond

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