TERMIUM Plus^®

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A water treatment process, similar to rapid sand filtration, except that water is passed through an enclosed system under pressure.  2, fiche 1, Anglais, - pressure%20filtration

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Pressure filtration differs from vacuum filtration in that the liquid is forced through the filter medium by a positive pressure instead of a vacuum. A number of different kinds of pressure filters are on the market. The oldest and still most used... is the filter press... [which] operates by pumping the sludge between plates that are covered with a filter cloth.  3, fiche 1, Anglais, - pressure%20filtration

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pressure filtration: term and definition standardized by ISO.  4, fiche 1, Anglais, - pressure%20filtration

Fiche 1,  Justifications,  Français

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Procédé de traitement de l'eau semblable à la filtration rapide sur sable, excepté le fait que l'eau traverse un système en circuit fermé sous l'action de la pression.  2, fiche 1, Français, - filtration%20sous%20pression

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Filtration sous pression. [...] Les filtres-presses les plus souvent utilisés pour l'essorage des boues sont du type à plaques. [...] Sur les deux faces cannelées de ces plaques [...] sont appliquées des toiles filtrantes. Les boues à filtrer sont amenées sous pression dans les chambres créées entre les plaques continues.  3, fiche 1, Français, - filtration%20sous%20pression

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filtration sous pression : terme et définition normalisés par l'ISO.  4, fiche 1, Français, - filtration%20sous%20pression

Fiche 1,  Justifications,  Espagnol

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Proceso de tratamiento de agua, por medio del cual el agua se pasa a través de un sistema cerrado bajo presión.  1, fiche 1, Espagnol, - filtraci%C3%B3n%20bajo%20presi%C3%B3n

Fiche 2,  Justifications,  Anglais

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High vacuum is vacuum where the MFP(mean free path) of residual gases is longer than the size of the chamber or of the object under test. High vacuum usually requires multi-stage pumping and ion gauge measurement.  1, fiche 2, Anglais, - high%20vacuum%20equipment

Fiche 2,  Justifications,  Français

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Le vide secondaire est le vide obtenu par la pompe dite secondaire dans une installation. Son domaine est classiquement celui des pompes à diffusion et des pompes turbomoléculaires, c’est-à-dire celui du vide poussé (10^-1 Pa à 10^-5 Pa).  1, fiche 2, Français, - appareil%20%C3%A0%20vide%20pouss%C3%A9

Fiche 2,  Justifications,  Espagnol

Fiche 3,  Justifications,  Anglais

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High vacuum is vacuum where the MFP(mean free path) of residual gases is longer than the size of the chamber or of the object under test. High vacuum usually requires multi-stage pumping and ion gauge measurement.  2, fiche 3, Anglais, - high%2Dvacuum%20coating%20unit

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Fiche 4,  Justifications,  Anglais

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In order to minimize the plasma loss arising from interactions with background gas particles, the plasma is contained in an ultra-high vacuum system. The high vacuum is obtained by using turbo-molecular pumps for the initial vacuum and liquid helium cryopumps for the pumping to very low pressure.  1, fiche 4, Anglais, - ultra%2Dhigh%20vacuum%20system

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Fiche 5,  Justifications,  Anglais

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The degassing of a vacuum system by heating during the pumping process.  3, fiche 5, Anglais, - bakeout

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The entire vacuum system may be cooled to low temperatures to reduce the outgassing of all the sources, or the entire vacuum system may be subjected to a bakeout.  4, fiche 5, Anglais, - bakeout

Fiche 5,  Justifications,  Français

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Après le premier étuvage, le système peut être exposé brièvement à l'air ambiant, puis évacué à nouveau jusqu'à l'obtention de l'ultravide.  1, fiche 5, Français, - %C3%A9tuvage

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Fiche 6,  Justifications,  Anglais

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The Wake Shield Facility(WSF) was designed and built by the Space Vacuum Epitaxy Center(SVEC), a NASA Commercial Space Center,... for the development of space-based manufacturing of thin film materials. The WSF is a 12-foot diameter stainless disk-shaped platform launched from the Space Shuttle that creates a unique ultra vacuum environment in its wake, with a combination of pumping speeds and vacuum levels thousands of times better than the best vacuum chambers on earth.  2, fiche 6, Anglais, - wake%20shield%20facility

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Fiche 7,  Justifications,  Anglais

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Rapid vertical oscillations of the column of a mercury barometer.  3, fiche 7, Anglais, - pumping

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The mercurial barometer... in its simplest form... consists of a glass tube a little more than 30 inches in length and of uniform internal diameter. With one end closed, the tube is filled with mercury, and inverted into a cup of mercury. The mercury in the tube falls until the column is just supported by the pressure of the atmosphere on the open cup, leaving a vacuum at the upper end of the tube. The height of the column indicates atmospheric pressure, greater pressures supporting higher columns of mercury. The mercurial barometer is subject to rapid variations in height, called pumping, due to pitch and roll of the vessel and temporary changes in atmospheric pressure in the vicinity of the barometer. Because of this... the mercurial barometer has been replaced at sea by the aneroid barometer.  4, fiche 7, Anglais, - pumping

Fiche 7,  Justifications,  Français

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Rapides oscillations verticales de la colonne d'un baromètre à mercure.  1, fiche 7, Français, - pompage

Fiche 7,  Justifications,  Espagnol

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Desplazamientos verticales rápidos que experimenta la columna de un barómetro de mercurio.  1, fiche 7, Espagnol, - bombeo%20del%20mercurio

Fiche 8,  Justifications,  Anglais

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The process of cryogenic pumping consists of exposing surfaces maintained at low temperature to the gases in a vacuum chamber so that the gases condense on the cooled surface  3, fiche 8, Anglais, - cryogenic%20pumping

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Bien que le cryopompage soit fondé essentiellement sur la condensation des vapeurs, il y a des gaz qui ne sont pas condensables aux températures expérimentalement réalisables à la surface des cryo-éléments.  2, fiche 8, Français, - cryopompage

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Fiche 9,  Justifications,  Anglais

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A leak detector output signal due to entrapped tracer gas in the vacuum system which cannot be quickly removed by pumping, a virtual leak of the tracer gas.  1, fiche 9, Anglais, - background

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Fiche 10,  Justifications,  Anglais

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A pressure filler is very similar to a vacuum filler except that pressure is applied to the product. This may be achieved either by pressurizing the headspace over a tank or by direct pumping of the product to the filling valve. In the most common form of pressure filling, the product is pressurized and the overflow tank open to the atmosphere.  2, fiche 10, Anglais, - pressure%20filling

Fiche 10,  Justifications,  Français

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Dosage des liquides. (...) Dosage et remplissage par pression. Il s'agit d'un système assisté d'une pompe qui injecte le liquide sous pression jusqu'à ce qu'il ait atteint le niveau inférieur du tube de refoulement d'air.  1, fiche 10, Français, - dosage%20et%20remplissage%20par%20pression

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Fiche 11,  Justifications,  Anglais

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Before the development of other means of pumping to very low pressures, the technique of producing a high vacuum by absorption of the gases on activated charcoal was very frequently used.(...) The pumping effect which can be obtained by using liquid-air cooled(-183 ° C) activated charcoal traps, is shown in fig. 4. 26.  1, fiche 11, Anglais, - activated%20charcoal%20trap

Fiche 11,  Justifications,  Français

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Bloc de charbon actif, à la surface duquel se condensent toutes les molécules à la température -196 °, permettant d'obtenir un vide propre qui complète le pompage.  2, fiche 11, Français, - %C3%A9ponge%20%C3%A0%20mol%C3%A9cules

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A question nouvelle: "l'éponge à molécules". Cette éponge n'est autre qu'un bloc de carbone très poreux, du charbon actif qui possède la propriété lorsqu'on le refroidit à -196 ° (température de l'azote liquide) de "geler" toutes les molécules, c'est-à-dire de les obliger à se condenser à la surface.  3, fiche 11, Français, - %C3%A9ponge%20%C3%A0%20mol%C3%A9cules

Fiche 11,  Justifications,  Espagnol