uranium

Uranium — (pronEng|jʊˈreɪniəm) is a silvery gray metallic chemical element in the actinide series of the periodic table that has the symbol U and atomic number 92. It has 92 protons and 92 electrons, 6 of them valence electrons. It can have between 141 and …   Wikipedia

Uranium — Protactinium ← Uranium → Neptunium Nd …   Wikipédia en Français

URANIUM — L’uranium (symbole U, numéro atomique 92) est un élément chimique métallique très dense (d = 19), dur, dont la couleur grise rappelle celle du nickel. Pendant les cent cinquante ans qui suivirent sa découverte, en 1789, par Martin Heinrich… …   Encyclopédie Universelle

uranium — 1> хим. уран Ex: uranium family ряд урана Ex: uranium reactor физ. урановый реактор …   Новый большой англо-русский словарь

uranium — noun; chem. 1) уран 2) attr. урановый; uranium reactor урановыйреактор …   Англо-русский словарь Мюллера

Uranium — U*ra ni*um, n. [NL., from Uranus the planet. See {Uranus}.] (Chem.) An element of the chromium group, found in certain rare minerals, as pitchblende, uranite, etc., and reduced as a heavy, hard, nickel white metal which is quite permanent. Its… …   The Collaborative International Dictionary of English

Uranium — Uranium, so v.w. Uranorama …   Pierer's Universal-Lexikon

uranium — /yoo ray nee euhm/, n. Chem. a white, lustrous, radioactive, metallic element, occurring in pitchblende, and having compounds that are used in photography and in coloring glass. The 235 isotope is used in atomic and hydrogen bombs and as a fuel… …   Universalium

Uranium — Eigenschaften …   Deutsch Wikipedia

uranium — juˈreɪnjəm сущ.; хим. уран uranium reactor ≈ урановый реактор enriched uranium reactor ≈ ядерный реактор на обогащенном уране enriched uranium ≈ обогащенный уран (химическое) уран * family ряд урана * reactor (физическое) урановый реактор uranium …   Большой англо-русский и русско-английский словарь