- uranium separation
- обогащение урана
English-Russian military dictionary. 2014.
English-Russian military dictionary. 2014.
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 — 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
Separation isotopique — Séparation isotopique La séparation isotopique est le processus qui consiste à augmenter la concentration des isotopes d un élément chimique. Sommaire 1 Structure des noyaux atomiques 2 Principes de la séparation isotopique 3 Séparations… … Wikipédia en Français
Uranium enrichi — Enrichissement de l uranium L enrichissement de l’uranium est le procédé consistant à augmenter la proportion d isotope fissile dans l’uranium. L opération la plus commune est l enrichissement de l uranium naturel en son isotope 235. Par… … Wikipédia en Français
Uranium appauvri — Batteries de centrifugeuses utilisées pour l’enrichissement de l’uranium. L’uranium appauvri est de l’uranium dont la composition isotopique comporte une faible abondance des isotopes légers, comprise entre 0,2 et 0,4 % de 235U (l uranium… … Wikipédia en Français
Uranium-236 — Infobox isotope background = #fc6 text color = isotope name = Uranium 236 isotope filename = alternate names = mass number =236 symbol =U num neutrons =144 num protons =92 abundance =< 10^ 10 halflife = 2.348 x10^7 years error halflife = decay… … Wikipedia
separation and purification — ▪ chemistry Introduction in chemistry, separation of a substance into its components and the removal of impurities. There are a large number of important applications in fields such as medicine and manufacturing. General principles… … Universalium
Uranium mining — The Ranger Uranium Mine in Australia … Wikipedia
uranium processing — Introduction preparation of the ore for use in various products. Uranium (U), although very dense (19.1 grams per cubic centimetre), is a relatively weak, nonrefractory metal. Indeed, the metallic properties of uranium appear to be… … Universalium
Uranium-238 — Infobox isotope background =#fc6 text color = image caption = 10 gram sample alternate names = mass number =238 symbol =U num neutrons =146 num protons =92 abundance = 99.284% halflife = 4.46 billion years error halflife = decay product = Thorium … Wikipedia
Uranium-234 — Infobox isotope background = #fc6 text color = isotope name = Uranium 234 isotope filename = alternate names = mass number =234 symbol =U num neutrons =142 num protons =92 abundance =0.0055% halflife =246,000 years error halflife = decay product … Wikipedia