TERMIUM Plus^®

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Of the 110. 6-metre height of the entire Apollo/Saturn V stack, 42. 1 metres comprise the S-IC first stage. Five F-1 engines, clustered at the bottom of the stage provide 33, 800 kN [kilonewtons] [7, 610, 000 pounds] of thrust. The propellants used are RP-1(Rocket Propellant one or highly refined kerosene) as the fuel and LOX [liquid oxygen] as the oxidizer. The lower of two tanks is filled with 810, 000 litres of RP-1 hours or days prior to launch with a final topping up occurring at T-minus [one] hour.  1, fiche 1, Anglais, - topping%20up

Fiche 1,  Justifications,  Français

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Maintien à un niveau constant, par additions successives, des ergols volatils contenus dans les réservoirs d'un lanceur, jusqu'au décollage de celui-ci.  1, fiche 1, Français, - compl%C3%A9ment%20de%20plein

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complément de plein; ouillage : désignations et définition publiées au Journal officiel de la République française le 26 janvier 2025.  3, fiche 1, Français, - compl%C3%A9ment%20de%20plein

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Fiche 2,  Justifications,  Anglais

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Ariane-5(Expendable Rocket) is part of the European Union's Space Program. At present, the Ariane 5 functions as a Commercial Satellite Launcher and will be used to launch the ATV Cargo/Supply Spacecraft to the International Space station(ISS) in the future. Ariane-5 is the successor to Ariane 4.... The Main Cryogenic Stage is the core of the Ariane 5 launcher. It is 30 meters high and utilizes the Vulcain Rocket Engine. The propellants are liquid hydrogen and liquid oxygen. Two Solid Rocket Boosters are around 30 metres high. The two solid boosters deliver more than 90 percent of the total launcher's thrust at the start of flight. Upper Stage is used to propel the payload to its final orbit. The upper stage uses storable propellants. Ariane-5 is developing new upper stages, along with modifications to the main cryogenic stage and solid boosters, that will increase performance and meet demands of space commercial launch market.  2, fiche 2, Anglais, - Ariane%205

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Ariane 5: term officially approved by the International Space Station official approval Group (ISSOAG).  3, fiche 2, Anglais, - Ariane%205

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L'ISS sera [...] desservie par une flotte mixte. Dans cette optique, l'Europe a décidé d'utiliser son propre système de transport spatial : Ariane 5. [...] Ariane 5 n'est pas équipée pour effectuer des manœuvres de rendez-vous et d'accostage avec une station spatiale. Il lui faut pour cela un complément «intelligent» possédant l'avionique et les ressources nécessaires, c'est le rôle de l'ATV (Automated Transfer Vehicle).  1, fiche 2, Français, - Ariane%205

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Ariane 5 : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).  3, fiche 2, Français, - Ariane%205

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Fiche 3,  Justifications,  Anglais

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The reverse thrust system provides means of decelerating aircraft during the landing roll, thus reducing landing roll length. The thrust reverser units are attached at the turbine outlet case of each engine.... The reversers are controlled by reverse thrust levers and operated by 13th stage engine bleed air. When not in use, the reversers are held in the locked position by 13th stage air and a mechanical lock. Each engine throttle has an additional handle which is used to actuate the thrust reversers. The reverse thrust lever pivots about a point near to the top of the throttle. If reverse trust is required, the throttle must be retarded to closed and then the reverse thrust lever must be pulled up. Further aft movement of the lever will increase reverse thrust.  3, fiche 3, Anglais, - reverse%20thrust%20lever

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Après le toucher, [le pilote] tira précautionneusement la manette d'inversion de poussée du n° 2 jusqu'à l'inversion maximale.  2, fiche 3, Français, - manette%20d%27inversion%20de%20pouss%C3%A9e

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Dans le domaine aéronautique, [...] l'inversion de poussée est un dispositif permettant d'orienter vers l'avant la poussée exercée par un moteur à hélice ou à réaction dans le but de ralentir l'avion et de reduire les distances lors de l'atterrissage. L'inversion de poussée est surtout utilisée sur les avions civils, ou sur les avions militaires qui en sont dérivés (avions de transport, ravitailleurs, etc...), mais elle équipe également quelques avions de combat comme le Tornado ou le SAAB 37 Viggen.  3, fiche 3, Français, - manette%20d%27inversion%20de%20pouss%C3%A9e

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manette : Clef, levier, poignée commandant un mécanisme et que l'on manœuvre à la main.  4, fiche 3, Français, - manette%20d%27inversion%20de%20pouss%C3%A9e

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manette d'inversion de poussée : terme uniformisé par les Comités d'uniformisation de la terminologie aéronautique (CUTA) - Maintenance et Opérations aériennes.  5, fiche 3, Français, - manette%20d%27inversion%20de%20pouss%C3%A9e

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Fiche 4,  Justifications,  Anglais

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Hermes would in fact constitute an upper stage : its two storable-propellant orbital insertion motors(using monomethyl hydrazine and nitrogen tertroxide) would provide some 20kNewton thrust to yield a "few hundred" m/sec acceleration for circularizing the orbit.  1, fiche 4, Anglais, - orbit%20insertion%20engine

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Fiche 5,  Justifications,  Anglais

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The core [stage of the A5E/CA Ariane 5] incorporates a thrust frame that handles forces created by the Vulcain 2 engine, and twin solid-propellant boosters.  3, fiche 5, Anglais, - thrust%20frame

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Reusable thrust structure.  4, fiche 5, Anglais, - thrust%20frame

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Partie de la structure d'un engin spatial qui reçoit la poussée du moteur-fusée et la transmet à l'ensemble.  3, fiche 5, Français, - b%C3%A2ti%20de%20pouss%C3%A9e

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Bâti de poussée tronconique.  4, fiche 5, Français, - b%C3%A2ti%20de%20pouss%C3%A9e

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Fiche 6,  Justifications,  Anglais

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Ariane 5 Launcher. Propulsion for the main cryogenic stage is provided by a single Vulcain engine fed by cryogenic fuels-liquid oxygen and liquid hydrogen-which are stored in two tanks separated by a common bulkhead. Engine thrust is transmitted through a thrustframe to the upper composite by means of the aft skirt, the tank walls and the stage's forward skirt. This frame, containing most equipment required for stage operation, constitutes the propulsion bay. The forward skirt also takes up the thrust of the two large solid boosters.  4, fiche 6, Anglais, - propulsion%20bay

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Partie d'un véhicule spatial où se trouvent groupés les moteurs et certains organes de pilotage.  2, fiche 6, Français, - module%20propulseur

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module propulseur : terme uniformisé par le Comité d'uniformisation de la terminologie spatiale - CUTS.  4, fiche 6, Français, - module%20propulseur

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Fiche 7,  Justifications,  Anglais

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The Attitude and Vernier Upper Module. The Vega launch vehicle is equipped with a liquid propulsion module(AVUM), which provides roll control and pitch, yaw, and axial thrust during the final phase of flight. It shall perform the following functions :-roll control;-attitude control during coasting flight and in orbit phase;-correction of axial velocity error due to solid rocket motor performance scatter;-generation of the required velocity change for orbit circularisation(as required) ;-satellite pointing;-satellite release manoeuvres;-empty stage de-orbiting.  2, fiche 7, Anglais, - attitude%20and%20Vernier%20upper%20module

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Enfin, on attend la signature du contrat de développement du petit lanceur Vega. Il s'agit d'un lanceur composé de trois étages à propergol solide, surmonté d'un module supérieur à liquide dit AVUM (Attitude and Vernier Upper Module) - permettant le contrôle d'attitude et d'orbite, la séparation des satellites et la désorbitisation - ainsi que d'une coiffe.  2, fiche 7, Français, - module%20sup%C3%A9rieur%20Vernier%2Fcommande%20d%27orientation

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Fiche 8,  Justifications,  Anglais

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As a result of the larger diameter Vanguard satellite design, the original Aerobee was now too skinny for use as a second stage. A new larger-diameter stage designed by Aerojet-General would have to be used instead. It incorporated an AJ-10 rocket engine that developed 33 kilonewtons(7, 500 pounds) of thrust using the storable propellants inhibited white fuming nitric acid and symmetrical dimethyl hydrazine.  3, fiche 8, Anglais, - inhibited%20white%20fuming%20nitric%20acid

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I have developed several liquid rocket engines using both cryogenic and storable propellants. We have never had a problem with cryogenic propellants (and yes we have never had a LOX valve freeze -- you have to use the proper valve). We have shifted over to storable propellants (Inhibited White Fuming Nitric Acid and furfuryl alcohol) because of their high density, hypergolicity, and long term storage capability.  4, fiche 8, Anglais, - inhibited%20white%20fuming%20nitric%20acid

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inhibitor: Substance, naturally occurring or a synthetic additive, whose presence in small amounts in a petroleum product retards or prevents the occurrence of certain phenomena considered undesirable, e.g. gum formation in stored gasolines, corrosion in steam turbines. [Definition standardized by ISO.]  5, fiche 8, Anglais, - inhibited%20white%20fuming%20nitric%20acid

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Dercam T 27 est un détartrant et décapant puissant pour tuyauteries et équipements en acier au carbone. Caractéristiques physico-chimiques. · Composition : acides inhibés, tensioactifs. · Aspect : liquide fumant à l'air.  3, fiche 8, Français, - acide%20nitrique%20fumant%20blanc%20inhib%C3%A9

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La galvanisation à chaud. [...] avant l'immersion dans le bain de zinc, les pièces à galvaniser passent [par le] décapage, [qui] se fait à l'aide d'acide chlorhydrique additionné d'un inhibiteur (3 à 6 mol/l) et permet d'éliminer la calamine et certains autres oxydes présents en surface.  4, fiche 8, Français, - acide%20nitrique%20fumant%20blanc%20inhib%C3%A9

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inhibited oils : huiles contenant des inhibiteurs.  5, fiche 8, Français, - acide%20nitrique%20fumant%20blanc%20inhib%C3%A9

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Fiche 9,  Justifications,  Anglais

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The examples compare and contrast lighter narrow-body aircraft and heavier wide-body aircraft. In general, wide-body aircraft and narrow-body Stage 2 aircraft generate higher noise levels than narrow-body Stage 3 aircraft. However, for thrust reversal arrival noise, aircraft type is not as important as with departure roll noise.  2, fiche 9, Anglais, - roll%20noise

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Engine or group of engines that provides the initial thrust, thus the primary launching stage.  1, fiche 10, Anglais, - booster%20stage

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Fiche 10,  Justifications,  Espagnol

Fiche 11,  Justifications,  Anglais

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More recent versions of this form are usually called "thrust" stages, though the terms "peninsular" or "three-sided" stage are sometimes used.  1, fiche 11, Anglais, - Roman%20theatre

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The emphasis has moved towards the back wall which now forms the boundary of the acting area. Extreme sight lines exclude any action behind the back wall.  1, fiche 11, Anglais, - Roman%20theatre

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Même disposition que le théâtre grec, mais l'estrade, se rapprochant du centre du cercle, prend place le long de son grand diamètre, amoindrissant l'orchestre; la circonférence, où sont disposés les spectateurs, devient un hémicycle.  1, fiche 11, Français, - th%C3%A9%C3%A2tre%20romain

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Fiche 12,  Justifications,  Anglais

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In the tandem fan, the fan shaft is extended to carry an extra stage which supplies air to a forward-situated downward-facing nozzle and burner for lift thrust. The forward fan and main-engine flows are isolated by a system of blocking doors and intake ports, while the main-engine exhaust is swivelled for lift.  1, fiche 12, Anglais, - tandem%20fan%20engine

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