Useful english dictionary. 2012.
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 — thoric /thawr ik, thor /, adj. /thawr ee euhm, thohr /, n. Chem. a grayish white, lustrous, somewhat ductile and malleable, radioactive metallic element present in monazite: used as a source of nuclear energy, as a coating on sun lamp and vacuum… … Universalium
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
Nitrate de thorium — Constituants … Wikipédia en Français
THORIUM — En 1828, Jöns Jacob Berzelius découvrit un nouveau métal qu’il baptisa thorium en l’honneur de Thor, dieu de la mythologie scandinave. Bien qu’il soit relativement rare, cet élément a été utilisé depuis longtemps dans l’industrie, principalement… … Encyclopédie Universelle
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(IV) nitrate — torio(IV) nitratas statusas T sritis chemija formulė Th(NO₃)₄ atitikmenys: angl. thorium tetranitrate; thorium(IV) nitrate rus. торий азотнокислый; тория(IV) нитрат ryšiai: sinonimas – torio tetra(trioksonitratas) … Chemijos terminų aiškinamasis žodynas
thorium tetranitrate — torio(IV) nitratas statusas T sritis chemija formulė Th(NO₃)₄ atitikmenys: angl. thorium tetranitrate; thorium(IV) nitrate rus. торий азотнокислый; тория(IV) нитрат ryšiai: sinonimas – torio tetra(trioksonitratas) … Chemijos terminų aiškinamasis žodynas
Dioxyde de thorium — Th4+ O2− Maille cristalline du dioxyde de thorium … Wikipédia en Français
Actinide — The atomic bomb dropped on Nagasaki had a plutonium charge.[1] The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium thro … Wikipedia
