TERMIUM Plus^®

Fiche 1,  Justifications,  Anglais

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A chemical compound which is practically insoluble in water, is prepared by adding a solution of magnesium styphnate(from magnesium oxide and styphnic acid) to a lead salt solution, detonates at 500°F(260°C), presents a dangerous explosion risk and constitutes an initiating explosive.  5, fiche 1, Anglais, - lead%28II%29%202%2C4%2C6%2Dtrinitrobenzene%2D1%2C3%2Dbis%28olate%29

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The monohydrate appears under the form of monoclinic, orange-yellow crystals with a density of 3.1, and the anhydrous product has a density of 2.9.  5, fiche 1, Anglais, - lead%28II%29%202%2C4%2C6%2Dtrinitrobenzene%2D1%2C3%2Dbis%28olate%29

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Chemical formula: C₆H₃N₃O₈•Pb or C₆H(NO₂)₃(O₂Pb)  5, fiche 1, Anglais, - lead%28II%29%202%2C4%2C6%2Dtrinitrobenzene%2D1%2C3%2Dbis%28olate%29

Fiche 1,  Justifications,  Français

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Formule chimique : C₆H₃N₃O₈•Pb ou C₆H(NO₂)₃(O₂Pb)  3, fiche 1, Français, - 2%2C4%2C6%2Dtrinitrobenz%C3%A8ne%2D1%2C3%2Dbis%28olate%29%20de%20plomb%28II%29

Fiche 1,  Justifications,  Espagnol

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Fórmula química : C₆H₃N₃O₈•Pb o C₆H(NO₂)₃(O₂Pb)  2, fiche 1, Espagnol, - estifnato%20de%20plomo

Fiche 2,  Justifications,  Anglais

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A chemical compound which appears under the form of a noncombustible, fine, white, odorless, tasteless powder, is free from grittiness, is insoluble in water and alcohol, readily decomposed by mineral acids, is derived by reaction of soluble magnesium salts with soluble silicates, and is used industrially as an odour absorbent, a decolourizing agent, an antioxidant and in medicine as an antacid.  4, fiche 2, Anglais, - magnesium%20trisilicate

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Chemical formula: Mg₂Si₃O₈ or H₄O₈Si₃•2Mg  4, fiche 2, Anglais, - magnesium%20trisilicate

Fiche 2,  Justifications,  Français

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Complexe d'oxyde de magnésium et de dioxyde de silicium se présentant sous la forme d'une poudre fine blanche ou jaunâtre, inodore, hygroscopique, utilisé comme absorbant industriel d'odeurs et comme antiacide gastrique.  3, fiche 2, Français, - trisilicate%20de%20magn%C3%A9sium

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Formule chimique : Mg₂Si₃O₈ ou H₄O₈Si₃•2Mg  3, fiche 2, Français, - trisilicate%20de%20magn%C3%A9sium

Fiche 2,  Justifications,  Espagnol

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Fórmula química: Mg₂Si₃O₈ o H₄O₈Si₃•2Mg  2, fiche 2, Espagnol, - trisilicato%20de%20magnesio

Fiche 3,  Justifications,  Anglais

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Magnesite flooring compound is made from calcined magnesium oxide and magnesium chloride. These materials are mixed into a plastic state and applied to the floor in two separate coats.... Magnesite flooring is applied over either a wood or concrete base. Sometimes metal lath is laid over a wood base.... Marble chips may be added to the freshly poured surface and rolled in to produce magnesite terrazzo.  4, fiche 3, Anglais, - magnesite%20flooring

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Magnesite Flooring System. High quality, Class A fire-retardant system for interior and exterior walking deck and stair surfaces. Beauty, quality, strength and low maintenance make this highly fire-rated flooring system the perfect choice for many of your applications. A special formulation of magnesium oxychloride cement with inert fillers and aggregates, Magnesite is easily installed over any structurally sound subfloor and can be sloped to promote drainage. It can be applied in a wide variety of textures, patterns, designs and finishes to achieve virtually any architectural effects desired.  3, fiche 3, Anglais, - magnesite%20flooring

Fiche 3,  Justifications,  Français

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En principe un dallage magnésien est constitué par un mélange de magnésie, d'amiante, de farine, de sciure de bois et de silice, avec quelquefois du talc et de l'alumine, le tout gâché avec de l'eau dans laquelle est dissous du chlorure de magnésium.  3, fiche 3, Français, - dallage%20magn%C3%A9sien

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On recouvre parfois le sol de dallages magnésiens (type Terrazolith, Porphyrolithe), appliqués normalement en deux couches successives [...] Le support est constituée généralement, soit par une forme en béton de gravillon sur terre-plein, soit par un plancher en B. A. [béton armé] ou métallique [...]  4, fiche 3, Français, - dallage%20magn%C3%A9sien

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Fiche 4,  Justifications,  Anglais

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A chemical compound having the formula MgO which appears under the form of a noncombustible, white, alkaline powder, either light or heavy depending upon whether it is prepared by heating magnesium carbonate or the basic magnesium carbonate, is slightly soluble in water, soluble in acids and ammonium salt solutions, insoluble in alcohol, combines with water to form magnesium hydroxide, occurs naturally as the mineral periclase, is derived(1) by calcining magnesium carbonate or magnesium hydroxide,(2) by treating magnesium chloride with lime and heating or by heating it in air,(3) from seawater via the hydroxide, and is used as an inorganic rubber accelerator, a polycrystalline ceramic for aircraft windshields, in refractories, especially for steel furnace linings, for electrical insulation, in fertilizers, oxychloride and oxysulfate cements, paper manufacture, pharmaceuticals and cosmetics, semiconductors, for the removal of sulfur dioxide from stack gases and as a feed additive and in the food industry(mainly for the deacidification of butter, cooa, and some canned or frozen foods).  7, fiche 4, Anglais, - magnesium%20oxide

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Two forms are produced, one termed "Light," a fluffy material prepared by a relatively low-temperature dehydration of the hydroxide, the other termed "Heavy," a dense material made by high-temperature furnacing of the oxide after it has been formed from the carbonate or hydroxide.  7, fiche 4, Anglais, - magnesium%20oxide

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Also known under a large number of commercial designations, among which: Akri-Mag; Anima; Granmag; Magchem 100; Magox; Magox 85; Marmag; Oxymag; seawater magnesia.  7, fiche 4, Anglais, - magnesium%20oxide

Fiche 4,  Justifications,  Français

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Poudre alcaline blanche utilisée principalement pour désacidifier le beurre, le cacao, certaines denrées en boîte ou congelées.  4, fiche 4, Français, - oxyde%20de%20magn%C3%A9sium

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[On distingue notamment la] magnésie calcinée légère, ou magnésie française, et la magnésie calcinée lourde, ou magnésie anglaise [...]  5, fiche 4, Français, - oxyde%20de%20magn%C3%A9sium

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Formule chimique : MgO  6, fiche 4, Français, - oxyde%20de%20magn%C3%A9sium

Fiche 4,  Justifications,  Espagnol

Fiche 5,  Justifications,  Anglais

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A chemical compound which appears under the form of a noncombustible, white, odourless powder, is soluble in solution of ammonium salts and dilute acids, almost insoluble in water and alcohol, occurs naturally as brucite, is prepared by the hydration of magnesium oxide, and is used as an intermediate for obtaining magnesium metal, in sugar refining, in medicine(antacid, laxative), sulfite pulp, uranium processing, dentifrices, as a residual fuel oil additive, in foods as a drying agent, colour retention agent, in cheese, canned foods and frozen desserts.  5, fiche 5, Anglais, - magnesium%20hydroxide

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Its aqueous solution is called milk of magnesia.  5, fiche 5, Anglais, - magnesium%20hydroxide

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Also known under a variety of commercial designations, among which: Marinco H; Marinco H 1241; Mint-L-Mag, S/G 84.  5, fiche 5, Anglais, - magnesium%20hydroxide

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Chemical formula: Mg(OH)₂ or H₂MgO₂  5, fiche 5, Anglais, - magnesium%20hydroxide

Fiche 5,  Justifications,  Français

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Produit chimique se présentant sous la forme d'une poudre blanche, inodore, que l'on utilise principalement en médecine (antiacide, laxatif) et dans l'industrie alimentaire, en conserverie et en fromagerie, où il est utilisé comme siccatif et adjuvant de la couleur.  3, fiche 5, Français, - hydroxyde%20de%20magn%C3%A9sium

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Sa solution aqueuse est le lait de magnésie.  4, fiche 5, Français, - hydroxyde%20de%20magn%C3%A9sium

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Formule chimique : Mg(OH)₂ ou H₂MgO₂  3, fiche 5, Français, - hydroxyde%20de%20magn%C3%A9sium

Fiche 5,  Justifications,  Espagnol

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Fórmula química: Mg(OH)₂ o H₂MgO₂  2, fiche 5, Espagnol, - hidr%C3%B3xido%20de%20magnesio

Fiche 6,  Justifications,  Anglais

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magnesium dichloride : A specific term which can be considered as a synonym of "magnesium chloride" when relating to the compound which contains two chloride atoms.  2, fiche 6, Anglais, - magnesium%20dichloride%20hexahydrate

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Chemical formula: Cl₂Mg·6H₂ or MgCl₂·6H₂O  2, fiche 6, Anglais, - magnesium%20dichloride%20hexahydrate

Fiche 6,  Justifications,  Français

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dichlorure de magnésium : terme spécifique pouvant être considéré comme un synonyme de «chlorure de magnésium» lorsqu'il s'agit du composé comportant deux atomes de chlore.  4, fiche 6, Français, - dichlorure%20de%20magn%C3%A9sium%20hexahydrate

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Formule chimique : Cl₂Mg·6H₂ ou MgCl₂·6H₂O  4, fiche 6, Français, - dichlorure%20de%20magn%C3%A9sium%20hexahydrate

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Fiche 7,  Justifications,  Anglais

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A natural or synthetic salt, available in the form of colorless or white crystals, used in pharmacy as a laxative and in the pulp and paper, sugar and canned food industries.  3, fiche 7, Anglais, - magnesium%20chloride

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magnesium dichloride : A specific term which can be considered as a synonym of «magnesium chloride» when relating to the compound which contains two chloride atoms.  4, fiche 7, Anglais, - magnesium%20chloride

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Chemical formula: Cl₂ or MgCl₂  4, fiche 7, Anglais, - magnesium%20chloride

Fiche 7,  Justifications,  Français

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Sel d'origine naturelle ou synthétique, se présentant sous forme de cristaux incolores ou blancs, [utilisé] en pharmacie (laxatif) et dans diverses industries (papeterie, sucrerie, conserverie).  3, fiche 7, Français, - chlorure%20de%20magn%C3%A9sium

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dichlorure de magnésium : terme spécifique pouvant être considéré comme un synonyme de «chlorure de magnésium» lors qu'il s'agit du composé comportant deux atomes de chlore.  4, fiche 7, Français, - chlorure%20de%20magn%C3%A9sium

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Formule chimique : Cl₂ ou MgCl₂  4, fiche 7, Français, - chlorure%20de%20magn%C3%A9sium

Fiche 7,  Justifications,  Espagnol

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Fórmula química: Cl₂ o MgCl₂  2, fiche 7, Espagnol, - cloruro%20de%20magnesio

Fiche 8,  Justifications,  Anglais

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An organic compound, CH3OMgOCO2CH3·xCO2, with x being variable depending on the solvent used. It is prepared by treating a solution of magnesium methoxide with carbon dioxide until saturation is attained. The resulting solution is clear, colorless, and has a pH of approximately 7. 0. It has been recommended as a non-aqueous deacidifying agent for paper, preferably in low concentrations, e. g., 0. 7 to 1. 0%. Its advantages are said to be : 1) a mild pH, due to the neutral character of the solution and direct conversion to magnesium carbonate upon hydrolysis; and 2) convenience of use due to the decreased sensitivity of the solution to water, which assists in preventing premature precipitation.  2, fiche 8, Anglais, - methyl%20magnesium%20carbonate

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Chemical formula: (CH₃OMgOCO₂CH₃·xCO₂) with x being variable depending on the solvent used.  3, fiche 8, Anglais, - methyl%20magnesium%20carbonate

Fiche 8,  Justifications,  Français

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Produit chimique utilisé dans la désacidification du papier ainsi que pour préserver ce dernier.  2, fiche 8, Français, - carbonate%20de%20m%C3%A9thylmagn%C3%A9sium

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Pour éliminer l'acidité interne des papiers, les bibliothèques ont recours à la désacidification de masse du papier. Il s'agit de neutraliser l'acide fort ou faible par une base forte. [...] Les procédés de désacidification de masse sont nombreux : - procédé au carbonate de méthylmagnésium, utilisé par la Bibliothèque Nationale. - procédé Bookkeeper. - procédé au diéthyl-zinc. - procédé lithco-FMC. - procédé Booksaver. - procédé de la British library.  3, fiche 8, Français, - carbonate%20de%20m%C3%A9thylmagn%C3%A9sium

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Formule chimique : CH₃OMgOCO₂CH₃·xCO₂, la variable «x» étant fonction du solvant utilisé.  4, fiche 8, Français, - carbonate%20de%20m%C3%A9thylmagn%C3%A9sium

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Fiche 9,  Justifications,  Anglais

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Atactic polypropylene is produced by slurry-polymerizing propylene with the aid of a Ziegler-Natta catalyst system wherein the carrier is a chlorinated organic magnesium compound.  4, fiche 9, Anglais, - atactic%20polypropylene

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But sometimes we use atactic polypropylene. Atactic means that the methyl groups are placed randomly on both sides of the chain ...  5, fiche 9, Anglais, - atactic%20polypropylene

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On sait faire, avec les catalyseurs classiques (Ziegler-Natta), des polypropylènes dont les groupes méthyle sont répartis au hasard de chaque côté de la chaîne (PP atactique), ou tous du même côté PP isotactique). Mais il est plus difficile d'obtenir la variante dans laquelle les groupes sont disposés alternativement d'un côté et de l'autre (PP syndiotactique).  1, fiche 9, Français, - polypropyl%C3%A8ne%20atactique

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Fiche 10,  Justifications,  Anglais

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Enhanced well productivity potential from a new high-density reservoir drilling fluid.... The new fluid system... derives its viscosity solely from an interaction between a specially modified starch(DFS) and an inorganic magnesium compound(HRMgO) [=highly reactive magnesium oxide].  3, fiche 10, Anglais, - inorganic%20magnesium%20compound

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Dietary Mg [magnesium] supplementation using inorganic Mg sources such as MgSO₄ and MgCl₂ have ... been shown to improve meat quality. Studies comparing the influence of organic and inorganic magnesium compounds on meat quality indicate that the improvements in muscle colour, drip loss, and the reductions in the incidence of PSE [pale, soft and exudative pork] were greater with organic magnesium compounds such as magnesium aspartate and magnesium Bioplex.  4, fiche 10, Anglais, - inorganic%20magnesium%20compound

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Fiche 11,  Justifications,  Anglais

Record number: 11, Textual support number: 1 DEF

Processing of molten iron which, thereafter, exhibits small, well shaped spheroidal balls of graphite. Such processing usually consists in adding pure magnesium, magnesium alloys or binders to pig iron. The more commonly known processes are the following :"Pont-à-Mousson process(AMP) ":Magnesium is added by dipping an ingot of pure magnesium, coated with a refractory whose thickness matches with the process required; "G. Fischer process" : Pure magnesium is added by means of a special tilting device("converter") ;"plunger bell method" : The magnesium alloy is added to the metal using a plunger bell;"sandwich process" : The magnesium-containing compound is added by means of a recess in the bottom of the ladle; "treatment in the mould" :(Inmold) process(trade mark) The magnesium is added in mould cavities designed for the purpose.  1, fiche 11, Anglais, - nodularizing%20treatment%20of%20graphite

Fiche 11,  Justifications,  Français

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Procédé de traitement des fontes à l'état liquide à la suite duquel les particules de graphite se présentent sous forme de petites sphères bien formées. Ce traitement consiste le plus souvent à additionner du magnésium pur, des alliages ou des agglomérés de magnésium à la fonte de base. Les procédés les plus connus sont les suivants : [procédé Pont-à-Mousson (AMP] : L'introduction de magnésium se fait par plongée d'un lingot de magnésium pur, revêtu d'un enduit réfractaire dont l'épaisseur est calculée en fonction du traitement désiré; [procédé G. Fischer] : Le magnésium pur est introduit à l'aide d'un appareillage spécial basculant [convertisseur]; [procédé à la cloche] : Dans ce procédé l'alliage ou l'aggloméré de magnésium est introduit au sein du métal à l'aide d'une cloche de plongée; [procédé sandwich] : L'introduction du produit du magnésium se fait dans un logement pratiqué au fond de la poche; [procédé de traitement dans le moule] : procédé [Inmold]. Consiste à ajouter le magnésium dans certaines cavités du moule aménagées à cet effet.  1, fiche 11, Français, - proc%C3%A9d%C3%A9%20de%20sph%C3%A9ro%C3%AFdisation%20du%20graphite

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Fiche 12,  Justifications,  Français

Fiche 12,  Justifications,  Espagnol