TERMIUM Plus^®

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Optical gas imaging(OGI) cameras are specialized inspection cameras used to visually detect and monitor gas leaks and emissions through infrared technology.... OGI cameras operate by capturing infrared radiation emitted from gases, which is invisible to the naked eye. This capability allows them to detect gases such as methane, sulfur hexafluoride, and many volatile organic compounds...  3, record 1, English, - optical%20gas%20imaging%20camera

Record 1,  Textual support,  French

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Les caméras d'imagerie optique des gaz [...] sont des caméras infrarouges spécialement conçues pour détecter et visualiser les fuites de gaz. Cette technologie permet une détection sûre et non intrusive des émissions fugitives – telles que le méthane et d'autres composés organiques volatils (COV) – grâce à une méthode de filtrage spectral unique.  3, record 1, French, - cam%C3%A9ra%20d%27imagerie%20optique%20des%20gaz

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The material within a laser, such as crystals, gas, glass, liquid, or solid semiconductor, that emits coherent radiation as the result of stimulated electronic or molecular transitions to lower energy states.  6, record 2, English, - lasing%20medium

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The working medium of a laser can be a solid, a liquid or a gas, but high-energy lasers generally employ a molecular gas.  9, record 2, English, - lasing%20medium

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lasent: term(s) extracted from the "Disarmament and Peace Keeping" glossary with the permission of the United Nations Office at Geneva.  13, record 2, English, - lasing%20medium

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Un «matériau actif», par exemple un cylindre usiné à partir d'un cristal de rubis ou d'un autre matériau convenable, sera violemment éclairé par la «source de pompage» [...] Le matériau actif peut être un solide [...] Le matériau actif peut aussi être un liquide ou un gaz.  1, record 2, French, - mat%C3%A9riau%20actif

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Il existe de nombreux types de lasers. On les classe habituellement en se référant aux propriétés du milieu amplificateur, qui peut être solide (c'est le cas du premier laser à rubis), gazeux, liquide, semi-conducteur, etc.  9, record 2, French, - mat%C3%A9riau%20actif

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milieu actif d'un laser : terme(s) tiré(s) du lexique «Désarmement et Maintien de la Paix» avec l'autorisation de l'Office des Nations Unies à Genève.  10, record 2, French, - mat%C3%A9riau%20actif

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A gas laser that converts thermal energy directly into coherent radiation at an efficiency high enough to offer promise of wireless power transmission.  3, record 3, English, - gas%20dynamic%20laser

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"Greenhouse gases" in the atmosphere block infrared radiation from escaping directly from the surface to space. Infrared radiation cannot pass straight through the air like visible light. Instead, most departing energy is carried away from the surface by air currents, eventually escaping to space from altitudes above the thickest layers of the greenhouse gas blanket.  1, record 4, English, - greenhouse%20gas%20blanket

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«Les gaz à effet de serre» présents dans l'atmosphère empêchent les rayonnements infrarouges d'être renvoyés de la Terre vers l'espace. Les rayonnements infrarouges ne peuvent traverser directement l'atmosphère comme la lumière visible. En fait, la plus grande partie de l'énergie qui parvient à s'échapper est emportée par les courants aériens et se perd finalement dans l'espace à des altitudes supérieures aux couches les plus épaisses de la couverture de gaz à effet de serre.  1, record 4, French, - couverture%20de%20gaz%20%C3%A0%20effet%20de%20serre

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Record 5,  Textual support,  English

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The electromagnetic radiation emitted by an ideal black-body; it is the theoretical maximum amount of radiant energy of all wavelengths which can be emitted by a body at a given temperature.  3, record 5, English, - black%2Dbody%20radiation

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The properties of the gas, which Planck and his contemporaries called blackbody radiation, are almost independent of the matter used to create it.  5, record 5, English, - black%2Dbody%20radiation

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Rayonnement électromagnétique maximal que peut émettre théoriquement, par unité de surface, un corps à une température déterminée.  3, record 5, French, - rayonnement%20du%20corps%20noir

Record 5,  Textual support,  Spanish

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Cantidad máxima teórica de radiación electromagnética que puede ser emitida, por unidad de área de un cuerpo, a una temperatura dada.  1, record 5, Spanish, - radiaci%C3%B3n%20de%20un%20cuerpo%20negro

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A material in solid, liquid, gas or vapour form that exhibits radioactivity that can potentially cause exposure to ionizing or non-ionizing radiation.  1, record 6, English, - radiological%20material

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radiological material: term often used in the plural form.  1, record 6, English, - radiological%20material

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radiological material: term and definition standardized by the Canadian Capability-Based Planning Terminology Committee and the Translation Bureau.  2, record 6, English, - radiological%20material

Record 6,  Textual support,  French

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Matière sous forme de solide, de liquide, de gaz ou de vapeur qui démontre un niveau de radioactivité susceptible de causer une exposition à des rayonnements ionisants ou non ionisants.  1, record 6, French, - mati%C3%A8re%20radiologique

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matière radiologique : terme souvent utilisé au pluriel.  1, record 6, French, - mati%C3%A8re%20radiologique

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matière radiologique : terme et définition normalisés par le Comité de terminologie de la planification axée sur les capacités au Canada et le Bureau de la traduction.  2, record 6, French, - mati%C3%A8re%20radiologique

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Record 7,  Textual support,  English

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A radiation counter consisting of a proportional counter tube and its associated circuits; resemble a Geiger-Müller counter, but with a different counting gas(argon methane) and a lower voltage on the tube; used to measure [alpha], ß, and x-rays...  2, record 7, English, - proportional%20counter

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Modifier proportional counter.  3, record 7, English, - proportional%20counter

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Internal proportional counter.  3, record 7, English, - proportional%20counter

Record 7,  Textual support,  French

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Un compteur qui fonctionne dans des conditions telles que l'amplitude de chaque impulsion est proportionnelle à son contenu énergétique.  2, record 7, French, - compteur%20proportionnel

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Record 8,  Textual support,  English

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A Geiger-Mueller(GM) tube is a gas-filled radiation detector. It commonly takes the form of a cylindrical outer shell(cathode) and the sealed gas-filled space with a thin central wire(the anode) held at [approximately] 1 kV [kilovolt] positive voltage with respect to the cathode. The fill gas is generally argon at a pressure of less than 0. 1 atm [atmosphere] plus a small quantity of a quenching vapor …  1, record 8, English, - fill%20gas

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[Détection et mesures des rayonnements nucléaires.] Gaz de remplissage : son choix est important puisque le développement de l’avalanche dépend largement de la dérive des électrons primaires. Toute trace d’oxygène doit être proscrite et on utilise le plus souvent un gaz rare (comme Ar [argon] ou Kr [krypton] ou Xe [xénon]) pour augmenter l’efficacité s’il s’agit de détecter des photons. Pour la détection des neutrons, on utilise d’autres gaz moins classiques. Ce gaz est souvent enfermé dans une enceinte scellée (emploi plus commode) ou peut être recyclé en permanence dans le compteur (dans la détection des particules chargées en particulier).  1, record 8, French, - gaz%20de%20remplissage

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Record 9,  Textual support,  English

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A radiation measuring assembly comprising a radiation detector in which the individual ionizing events cause electrical pulses; these pulses are transmitted to auxiliary equipment for processing and counting.  2, record 9, English, - radiation%20counter

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Radiation Counters as Detectors. Radioactivity measurements of gas chromatographic column effluents have been performed by various modified sensing devices. However, all of these are based on two primary methods :(1) condensation of the radioactive components out of the gas stream for subsequent radioassay, and(2) direct measurement of radioactivity in the gas phase.  3, record 9, English, - radiation%20counter

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Dispositif de mesure d'un rayonnement qui comporte, d'une part, un détecteur de rayonnement dans lequel des effets ionisants individuels provoquent des impulsions électriques et, d'autre part, l'équipement associé nécessaire pour traiter et compter les impulsions. Une expression est souvent ajoutée pour indiquer le type de détecteur (par exemple, scintillation, semi-conducteur, etc.).  1, record 9, French, - compteur%20de%20rayonnement

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Record 10,  Textual support,  English

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In a sufficiently intense electric field, the process by which the ion pairs produced in a gas by incident radiation generate additional ion pairs.  2, record 10, English, - gas%20multiplication

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gas multiplication: term standardized by ISO.  2, record 10, English, - gas%20multiplication

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Processus par lequel les paires d'ions produites dans un gaz par un rayonnement incident engendrent des paires d'ions supplémentaires sous l'action d'un champ électrique élevé.  3, record 10, French, - multiplication%20dans%20le%20gaz

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multiplication dans le gaz : terme normalisé par l'ISO.  3, record 10, French, - multiplication%20dans%20le%20gaz

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Record 11,  Textual support,  English

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A … thin-walled dual-type gridded ionization chamber gamma radiation detector using ultra pure Xe gas as the detection medium.  1, record 11, English, - %20detection%20medium

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La chambre d’ionisation est l’un des détecteurs les plus simples et des plus anciens. Le milieu détecteur est un gaz. Deux électrodes servent à appliquer un champ électrique dans l’enceinte du détecteur pour assurer le collectage des charges créées lors du passage d’une particule ionisante.  1, record 11, French, - milieu%20d%C3%A9tecteur

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Record 12,  Textual support,  English

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While the total amount of ozone in the troposphere is small compared with stratospheric ozone, it is important in considering the energy balance of the atmosphere. At the lower levels of the atmosphere, ozone is at higher pressures and its absorption of outgoing infrared radiation is very much more effective than higher-level ozone.  5, record 12, English, - stratospheric%20ozone

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About 90% of the total ozone is found in the stratosphere.  6, record 12, English, - stratospheric%20ozone

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A gas essential to life on Earth as it screens out solar UV radiation.  7, record 12, English, - stratospheric%20ozone

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Ozone produit photochimiquement et qu'on retrouve dans l'atmosphère entre dix et cinquante kilomètres bien qu'il ne se trouve à une concentration significative qu'entre vingt et vingt-cinq kilomètres.  5, record 12, French, - ozone%20stratosph%C3%A9rique

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Le problème du «trou dans la couche de bon ozone» stratosphérique (12 à 41 km d'altitude environ) est attribué semble-t-il aux CFC(1) et au N₂ O.  4, record 12, French, - ozone%20stratosph%C3%A9rique

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L'O₃ stratosphérique n'est pas considéré comme un gaz à effet de serre, contrairement à l'O₃ troposphérique. En règle générale, on partage l'ozone troposphérique de l'ozone stratosphérique à partir de 12 km d'altitude.  6, record 12, French, - ozone%20stratosph%C3%A9rique

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Record 13,  Textual support,  English

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Instrument used to determine the atmospheric ozone content by measuring the solar ultraviolet radiation absorbed by this gas.  2, record 13, English, - ozone%20spectrophotometer

Record 13,  Textual support,  French

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Instrument qui détermine l'ozone atmosphérique en mesurant le rayonnement ultraviolet absorbé par ce gaz.  3, record 13, French, - spectrophotom%C3%A8tre%20d%27ozone%20atmosph%C3%A9rique

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Instrumento utilizado para determinar el ozono atmosférico midiendo la radiación ultravioleta absorbida por este gas.  1, record 13, Spanish, - espectrofot%C3%B3metro%20de%20ozono%20atmosf%C3%A9rico

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Equations for the coefficient of attenuation of radiation due to Compton scattering by a thermal electron gas with an arbitrary temperature are summarized.  1, record 14, English, - Compton%20attenuation%20coefficient

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Ionization of the atoms or molecules of a gas or vapor by the action of electromagnetic radiation.  1, record 15, English, - radiation%20ionization

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The radiation is measured by measuring the number of pulses per time unit coming from the tube, which is proportional to the intensity of the radiation to be measured. The quenching gas in the radiation detector tubes is quenching after the elapse of a certain period of time the ionic current. This time is called the dead time of the G-M tube, during which the tube is unable to react to a possibly, arriving new quantum of radiation.  1, record 16, English, - quenching%20ggs

Record 16,  Textual support,  French

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Élément constitutif du mélange gazeux destiné au remplissage d'un tube compteur de Geiger-Müller, qui accélère l'auto-excitation de la décharge.  2, record 16, French, - gaz%20de%20coupage

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An assembly designed to measure the velocity of gas and comprising an ionising radiation source included in an ionisation chamber through which the gas studied is flowing, the value of the velocity being determined from the electric current flowing through the chamber.  1, record 17, English, - ionized%2Dgas%20anemometer

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[...] biological indicators have been used worldwide by medical and industrial facilities to monitor steam, low temperature steam formaldehyde, ethylene oxide gas, propylene oxide gas, dry heat, hydrogen peroxide, and radiation sterilization processes.  1, record 18, English, - biological%20indicator%20for%20steam%20sterilization

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Record 21,  Textual support,  English

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The Earth is surrounded by a blanket of air, which we call the atmosphere. It reaches over 560 kilometers(348 miles) from the surface of the Earth, so we are only able to see what occurs fairly close to the ground.... Life on Earth is supported by the atmosphere, solar energy, and our planet's magnetic fields. The atmosphere absorbs the energy from the Sun, recycles water and other chemicals, and works with the electrical and magnetic forces to provide a moderate climate. The atmosphere also protects us from high-energy radiation and the frigid vacuum of space. The envelope of gas surrounding the Earth changes from the ground up. Four distinct layers have been identified using thermal characteristics(temperature changes), chemical composition, movement, and density [:] the troposphere..., the stratosphere..., the mesophere..., the thermosphere. The exosphere starts at the top to the thermosphere and continues until it merges with interplanetary gases, or space. In this region of the atmosphere, Hydrogen and Helium are the prime components and are only present at extremely low densities.  3, record 21, English, - Earth%27s%20atmosphere

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terrestrial atmosphere: term standardized by ISO.  4, record 21, English, - Earth%27s%20atmosphere

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Notre Terre est entourée d'une couche de gaz qui l'entoure. Cette couche est appelée atmosphère terrestre. Elle se compose à 78 % d'azote, 21 % d'oxygène, 0,9 % d'argon, 0,03 % de dioxyde de carbone et des traces d'autres gaz dont du dioxyde de carbone. L'atmosphère est indispensable à la survie de la planète. Elle absorbe une partie des rayons ultra violets du soleil grâce à la couche d'ozone et maintient une température constante sur terre afin de rendre la vie possible grâce à l'effet de serre. L'atmosphère intervient également dans le cycle de l'eau qu'elle permet de recycler. L'atmosphère est épaisse de 480 km mais 90 % des gaz se trouvent entre 0 km et 10 km au-dessus du niveau de la mer.  2, record 21, French, - atmosph%C3%A8re%20terrestre

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L'atmosphère est composée de 4 grandes couches majeures : la troposphère [;] la stratosphère [;] la mésophère [;] la thermosphère [et] l'exosphère [qui] s'étend au-delà de la thermosphère.  3, record 21, French, - atmosph%C3%A8re%20terrestre

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atmosphère terrestre : terme normalisé par l'ISO.  4, record 21, French, - atmosph%C3%A8re%20terrestre

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Envoltura gaseosa que rodea a la Tierra, a la que se mantiene unida, girando con ella, por causa de la gravitación.  2, record 21, Spanish, - atm%C3%B3sfera%20terrestre

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In gas correlation spectroscopy, a cell containing the target gas is placed in front of the sensor. The scene is viewed twice, through the target gas cell and through an empty cell. The gas in the cell serves as a "matched filter" to the target gas in the plume. The "modulated" transmission of the system is very high at the spectral bands of the target gas while it practically blocks transmission at all other wavelengths. The system has a very high Etendue (throughput) and is simultaneously responsive to several spectral lines or bands -- increasing the overall sensitivity.  2, record 22, English, - gas%20correlation%20spectroscopy

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MOPITT will make measurements of infrared radiation originating from the surface of the planet and isolate the energy being radiated from CO and CH4 molecules by using a technique called gas correlation spectroscopy.  3, record 22, English, - gas%20correlation%20spectroscopy

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L'instrument [MOPITT] mesurera les rayonnements infrarouges provenant de la surface de la Terre et isolera l'énergie émise par les molécules de CO et de CH4 à l'aide de la technique appelée spectroscopie à corrélation en phase gazeuse.  1, record 22, French, - spectroscopie%20%C3%A0%20corr%C3%A9lation%20en%20phase%20gazeuse

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Record 23,  Textual support,  English

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Protection given to the Earth's surface by the stratospheric ozone layer due to intense absorption of solar ultraviolet radiation by the gas.  4, record 23, English, - protective%20ozone%20shield

Record 23,  Textual support,  French

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Protection donnée à la surface terrestre par la couche d'ozone stratosphérique, grâce à la très forte absorption du rayonnement solaire ultraviolet par le gaz.  5, record 23, French, - bouclier%20d%27ozone

Record number: 23, Textual support number: 1 OBS

Eviter le redondant bouclier protecteur (protective shield, en anglais).  2, record 23, French, - bouclier%20d%27ozone

Record number: 23, Textual support number: 2 OBS

Cette notion recoupe à peu près celle de couche d'ozone. La seule différence réside dans l'insistance du terme bouclier d'ozone sur l'aspect protection; de ce fait, le bouclier d'ozone comprend nécessairement la totalité des molécules d'ozone protégeant la Terre. Par contre le terme couche d'ozone, ou ozonosphère dans ce sens, peut ne recouvrir, selon différents auteurs, qu'une partie de cette réalité.  2, record 23, French, - bouclier%20d%27ozone

Record 23,  Textual support,  Spanish

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Protección proporcionada a la superficie de la Tierra debida a la intensa absorción de la radiación solar ultravioleta por la capa de ozono estratosférica.  1, record 23, Spanish, - pantalla%20de%20ozono

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The movement of heat from one body to another(gas, liquid, solid, or combination thereof) by means of radiation, convection, or conduction.  2, record 24, English, - heat%20transfer

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heat transfer: term standardized by ISO.  3, record 24, English, - heat%20transfer

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En principe, le transfert de la chaleur ou transfert thermique n'est pas uniforme sur toute la surface qui est considérée (p. ex., ce transfert thermique à travers l'isolant du mur creux se fera plus lentement qu'à travers des poteaux métalliques).  1, record 24, French, - transfert%20thermique

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transfert de chaleur : terme normalisé par l'ISO.  5, record 24, French, - transfert%20thermique

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Record 25,  Textual support,  English

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The Transition Radiation Detector... consists of six polyethylene fiber radiator blankets, each with a multi-wire proportional chamber MWPC(filled with a Xenon-methane gas mixture) attached underneath. When a charged particle travels through an interface between materials of different dielectric constants, radiation(in the form of X-rays) is generated with an intensity proportional to the relativistic Lorentz factor gamma of the particle.  2, record 25, English, - transition%20radiation%20detector

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Record 26,  Textual support,  English

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The concentration of methane... is also determined weekly by ENEA from collected gas samples. The participation of an ultralight aircraft... equipped with an optical particle counter(FSSP-300), a condensation nuclei counter, an ozone photometer, a global radiation pyranometer, and upward and downward looking UV-B radiometers is still uncertain, depending on the approval of the flight authorizations.  1, record 26, English, - global%20radiation%20pyranometer

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Pyranomètre à rayonnement global. Cet appareil mesure le flux de rayonnement solaire reçu sur une surface horizontale. Une ventilation permet l'élimination des condensations.  1, record 26, French, - pyranom%C3%A8tre%20%C3%A0%20rayonnement%20global

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Record 27,  Textual support,  English

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Orbiting Astronomical Observatory(OAO), series of four orbiting observatories launched between 1966 and 1972 by the National Aeronautics and Space Administration(NASA) to provide astronomical data in the ultraviolet and X-ray wavelengths filtered out by the earth's atmosphere. Only two of the four launches were successful, however. OAO-2, launched in 1978, which carried two large telescopes in addition to a cluster of four ultraviolet telescopes, four photoelectric telescopes, and a number of spectrometers and other devices, weighed 4, 200 lb(1, 900 kg) and was the heaviest satellite orbited to that time. Working primarily with ultraviolet radiation, it was able to photograph very young stars. OAO-3, which was also called Copernicus, was launched in 1972. Carrying what was at that time the largest telescope ever orbited and three smaller X-ray telescopes, OAO-3 was primarily used in the study of ultraviolet radiation from interstellar gas and dust and from stars near the edges of the Milky Way.  2, record 27, English, - Orbiting%20Astronomical%20Observatory

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Record 28,  Textual support,  English

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Research initiatives include the development of a novel, high pressure gas atomization process that employs powder metallurgical methods to produce a variety of materials from high-strength/high-conductivity alloys to lightweight structural composites and permanent magnet materials.  2, record 28, English, - gas%20atomization

Record number: 28, Textual support number: 1 PHR

Inert, high pressure gas atomization.  3, record 28, English, - gas%20atomization

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High-velocity air or gas impinges on a stream of molten metal(which) breaks up into small particles and solidifies in flight by convection and radiation cooling.  4, record 28, English, - gas%20atomization

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La dispersion par jet de gaz inerte consiste à diriger des jets de gaz vers le métal en fusion.  1, record 28, French, - dispersion%20par%20jet%20de%20gaz

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Dispersion par jet de gaz inerte.  1, record 28, French, - dispersion%20par%20jet%20de%20gaz

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Record 29,  Textual support,  English

Record number: 29, Textual support number: 1 CONT

The common ring laser gyro uses a mixture of He-Ne gas to generate coherent monochromatic radiation in two directions. Normally, the RLG is a triangular cavity filled with gas, in which two oppositely directed traveling light waves are generated by stimulated emission of light. In this case we speak of an active laser gyroscope. If, on the other hand, the lasing medium is external to the cavity, then we speak of a passive gyroscope.  1, record 29, English, - active%20laser%20gyroscope

Record 29,  Textual support,  French

Record number: 29, Textual support number: 1 OBS

Hyperfréquences, optoélectronique et lasers appliqués aux mesures [...] Éléments de circuits hyperfréquences (dipôles, quadripôles et multipôles spécifiques). Amplificateurs et oscillateurs hyperfréquences : klystrons, tubes à ondes progressives, transistors, oscillateurs YIG et à résonateur diélectrique, lasers passifs et actifs.  2, record 29, French, - gyrolaser%20actif

Record 29,  Textual support,  Spanish

Record 30,  Textual support,  English

Record number: 30, Textual support number: 1 CONT

The common ring laser gyro uses a mixture of He-Ne gas to generate coherent monochromatic radiation in two directions. Normally, the RLG is a triangular cavity filled with gas, in which two oppositely directed traveling light waves are generated by stimulated emission of light. In this case we speak of an active laser gyroscope. If, on the other hand, the lasing medium is external to the cavity, then we speak of a passive gyroscope.  1, record 30, English, - passive%20gyroscope

Record 30,  Textual support,  French

Record number: 30, Textual support number: 1 OBS

Hyperfréquences, optoélectronique et lasers appliqués aux mesures [...] Éléments de circuits hyperfréquences (dipôles, quadripôles et multipôles spécifiques). Amplificateurs et oscillateurs hyperfréquences : klystrons, tubes à ondes progressives, transistors, oscillateurs YIG et à résonateur diélectrique, lasers passifs et actifs.  2, record 30, French, - gyrolaser%20passif

Record 30,  Textual support,  Spanish

Record 31,  Textual support,  English

Record number: 31, Textual support number: 1 CONT

An ionosphere is a layer of charged particles(ions and electrons) found in the upper levels of an atmosphere, created when gas molecules in the atmosphere are ionized. On Europa, this ionized layer can be caused either by the Sun's ultraviolet radiation or by energetic particles trapped in Jupiter's magnetic field, known as the magnetosphere.  1, record 31, English, - ionized%20layer

Record 31,  Textual support,  French

Record number: 31, Textual support number: 1 CONT

Au-delà de la mésopause s'étend la thermosphère au sein de laquelle la température s'élève à nouveau pouvant atteindre 500 °C. C'est dans la thermosphère que l'on identifie les principales couches ionisées qui jouent un rôle prépondérant dans la propagation des ondes radioélectriques.  2, record 31, French, - couche%20ionis%C3%A9e

Record number: 31, Textual support number: 2 CONT

L'ionosphère, l'électrojet. Les particules transportées par le vent solaire interagissent avec les molécules d'air de la haute atmosphère créant une couche ionisée, l'ionosphère. Cette couche conductrice peut réfléchir, absorber ou transmettre les ondes radio suivant leurs fréquences. À l'équateur magnétique, la configuration du champ magnétique, qui est horizontal, crée une concentration de courant électrique intense et très localisée, l'électrojet (EJ). Cet électrojet modifie la morphologie des variations des composantes magnétiques H (horizontale) et Z (verticale).  3, record 31, French, - couche%20ionis%C3%A9e

Record 31,  Textual support,  Spanish

Record 32,  Textual support,  English

Record number: 32, Textual support number: 1 CONT

The Soviet RKhM(photo) is a new chemical-warfare vehicle based on the MT-LB chassis and able to ascertain the types of gas on the ground and in the air... the degree of contamination and/or level of radiation.  1, record 32, English, - chemical%2Dwarfare%20vehicle

Record 32,  Textual support,  French

Record 32,  Textual support,  Spanish

Record 33,  Textual support,  English

Record number: 33, Textual support number: 1 CONT

Photoionization detector... consists of a chamber into which gases suitable for the discharge such as helium, argon, nitrogen, or hydrogen are introduced through [a] tube which serves as the cathode for the discharge. The ultraviolet radiation or glow discharge in the hollow cathode, maintained by a small current between the cathode and discharge anode, is sufficiently energetic to ionize components in the carrier gas effluent entering through the tube, the collecting electrode(anode) for the ions liberated within the chamber enclosed by the second cathode.  5, record 33, English, - photoionization%20detector

Record 33,  Textual support,  French

Record number: 33, Textual support number: 1 CONT

Une version commerciale de ce détecteur est apparue récemment sur le marché, il est composé d'une lampe UV [détecteur à photoionisation] scellée qui émet un rayonnement à 121,6nm (10,2 eV) à travers une fenêtre en fluorure de magnésium. Si le soluté passant dans ce détecteur a un potentiel d'ionisation inférieur à 10,2eV, il s'ionise en absorbant un photon. Les ions issus de cette photoionisation sont collectés en appliquant un potentiel positif sur une des électrodes. Le courant qui en résulte est amplifié par un électromètre identique à celui utilisé avec un détecteur à ionisation de flamme.  1, record 33, French, - d%C3%A9tecteur%20%C3%A0%20photoionisation

Record 33,  Textual support,  Spanish

Record 34,  Textual support,  English

Record number: 34, Textual support number: 1 CONT

[Nelson, Ressler, and Hawes] noted that sensitivity of radiation detection in terms of peak height for a given amount of injected activity is a function of many variables :(1) chamber volume,(2) type of radioactive emitter...,(3) noise and background level,(4) diluent gas, and(5) carrier and diluent gas flow rates.  1, record 34, English, - radioactive%20emitter

Record 34,  Textual support,  French

Record 34,  Textual support,  Spanish

Record 35,  Textual support,  English

Record number: 35, Textual support number: 1 CONT

... radiation includes energy transfer both by electromagnetic waves gas in the case of gamma rays, ultra-violet rays or radio waves) and by energetic particles(such as alpha or beta particles emitted from nuclei in the process of radioactive decay).  2, record 35, English, - energetic%20particle

Record 35,  Textual support,  French

Record 35,  Textual support,  Spanish

Record 36,  Textual support,  English

Record number: 36, Textual support number: 1 CONT

Lovelock developed a small detector intended for use with open tubular columns, and a new triode detector having a sensitivity 1000 times greater than his original detector... The triode detector... incorporates a ring electrode, in addition to the normal anode and cathode electrodes, which separates the background current(positive ions liberated by vapor/metastable argon reactions or collisions) of the primary electron stream from the signal current. Basically, both detectors are similar to the simple device in design : their brass or stainless steel chambers function as cathodes; their anodes of the same material are supported coaxially within the chamber by a polytetrafluoroethylene insulator; both contain ports for introduction and escape of the chromatographic column gas effluent from the detectors; and each have a suitable source of alpha or beta radiation.  1, record 36, English, - triode%20detector

Record 36,  Textual support,  French

Record 36,  Textual support,  Spanish

Record 37,  Textual support,  English

Record number: 37, Textual support number: 1 CONT

In a series of papers, Gaziev et al. described an argon detector using promethium-147 as a source of beta radiation, and Frank and Yanovskii constructed a microionization detector for open tubular gas-liquid chromatography based on Pm without the use of an additional gas stream.  1, record 37, English, - microionization%20detector

Record 37,  Textual support,  French

Record 37,  Textual support,  Spanish

Record 38,  Textual support,  English

Record number: 38, Textual support number: 1 CONT

In addition to the simple argon detector with a 3-8ml volume designed for use with packed columns, Lovelock developed a small detector intended for use with open tubular columns, and a new triode detector having a sensitivity 1 000 times greater than his original detector... Basically [the triode detector and the small detector] are similar to the simple device in design : their brass or stainless steel chambers function as cathodes; their anodes of the same material are supported coaxially within the chamber by a polytetrafluoroethylene insulator; both contain ports for introduction and escape of the chromatographic column gas effluent from the detectors; and each have a suitable source of alpha or beta radiation.  1, record 38, English, - small%20detector

Record 38,  Textual support,  French

Record 38,  Textual support,  Spanish

Record 40,  Textual support,  English

Record number: 40, Textual support number: 1 DEF

Thermal receptor in which the heating of the part that absorbs the radiation gives rise to a change in the pressure of a gas.  1, record 40, English, - pneumatic%20receptor

Record 40,  Textual support,  French

Record number: 40, Textual support number: 1 DEF

Récepteur thermique dans lequel l'échauffement de la partie qui absorbe le rayonnement provoque une variation de la pression d'un gaz.  1, record 40, French, - r%C3%A9cepteur%20pneumatique

Record 40,  Textual support,  Spanish

Record 41,  Textual support,  English

Record number: 41, Textual support number: 1 DEF

a maser in which the microwave radiation interacts with the molecules of a gas, as e. g. in the ammonia clock.  1, record 41, English, - gas%20maser

Record 41,  Textual support,  French

Record 41,  Textual support,  Spanish

Record 42,  Textual support,  English

Record number: 42, Textual support number: 1 DEF

a region surrounding very hot stars whose ultraviolet radiation ionize the hydrogen gas, so that a rearrangement of electrons and protons takes place; electrons continuously recombine with protons causing the hydrogen lines to emit in the visible spectrum.  1, record 42, English, - ionized%20hydrogen%20region

Record 42,  Textual support,  French

Record number: 42, Textual support number: 1 DEF

Une des régions d'hydrogène et d'autres atomes qui sont ionisés par le rayonnement ultraviolet des étoiles chaudes qui les entourent. La perte d'énergie et électrons est due à l'émission de rayonnement.  1, record 42, French, - r%C3%A9gion%20d%27hydrog%C3%A8ne%20ionis%C3%A9

Record 42,  Textual support,  Spanish