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thorium oxide

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См. также в других словарях:

  • thorium oxide — noun or thorium dioxide : a refractory crystalline compund ThO2 obtained usually as a dense white powder by igniting thorium nitrate and used chiefly in incandescent gas mantles, in crucibles and refractories, in silica free optical glass, and in …   Useful english dictionary

  • Thorium dioxide — IUPAC name Thorium dioxide Thorium(IV) oxide …   Wikipedia

  • Thorium — (pronEng|ˈθɔːriəm) is a chemical element with the symbol Th and atomic number 90. As a naturally occurring, slightly radioactive metal, it has been considered as an alternative nuclear fuel to uranium.CharacteristicsWhen pure, thorium is a… …   Wikipedia

  • Thorium-232 — is the primary abundant nuclide of thorium. It is a slightly unstable radionuclide that is found in the earth s crust. It is a fertile material able to absorb a neutron and undergo transmutation into a nuclide that is able to support fission… …   Wikipedia

  • thorium dioxide — n a refractory crystalline compound obtained usu. as a dense white powder and formerly used as a contrast medium in radiography called also thorium oxide, thorotrast * * * a contrast medium formerly used in radiography of the alimentary tract;… …   Medical dictionary

  • thorium nitrate — noun : an oxidizing salt Th(NO3)4 obtained as a deliquescent crystalline mass by extraction of monazite sand in a series of steps and used chiefly in producing thorium oxide by ignition in the manufacture of incandescent gas mantles …   Useful english dictionary

  • thorium dioxide — noun see thorium oxide …   Useful english dictionary

  • thorium processing — Introduction       preparation of the ore for use in various products.       Thorium (Th) is a dense (11.7 grams per cubic centimetre), silvery metal that is softer than steel. It has a high melting temperature of approximately 1,750° C (3,180°… …   Universalium

  • Thorium — Eigenschaften …   Deutsch Wikipedia

  • Thorium(IV) fluoride — Chembox new Name = Thorium(IV) fluoride ImageFile = ImageSize = ImageName = Thorium(IV) fluoride OtherNames = thorium tetrafluoride Section1 = Chembox Identifiers CASNo = 13709 59 6 Section2 = Chembox Properties Formula = ThF4 MolarMass = 308.032 …   Wikipedia

  • thorium(IV) oxide — torio(IV) oksidas statusas T sritis chemija formulė ThO₂ atitikmenys: angl. thorium dioxide; thorium(IV) oxide rus. тория двуокись; тория диоксид; тория(IV) оксид ryšiai: sinonimas – torio dioksidas …   Chemijos terminų aiškinamasis žodynas

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