- pure alpha emitter
- Медицина: чистый альфа-излучатель
Универсальный англо-русский словарь. Академик.ру. 2011.
pure alpha emitter
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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
Radioactive waste — 2007 ISO radioactivity danger logo, designed in part for long term radioactive waste depositories which might survive into a far future time in which all knowledge of the meaning of present common radiation danger symbols and signs has been lost… … Wikipedia
Isotopes of plutonium — Plutonium (Pu) has no stable isotopes. A standard atomic mass cannot be given.Decay modesTwenty plutonium radioisotopes have been characterized. The most stable are Pu 244, with a half life of 80.8 million years, Pu 242, with a half life of… … Wikipedia
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
Plutonium — (pronEng|pluːˈtoʊniəm, symbol Pu, atomic number 94) is a rare radioactive, metallic chemical element. The most significant isotope of plutonium is 239Pu, with a half life of 24,100 years; this isotope is fissile and is used in most modern nuclear … Wikipedia
Beryllium — (pronEng|bəˈrɪliəm) is a chemical element with the symbol Be and atomic number 4. A bivalent element, beryllium is a steel grey, strong, light weight yet brittle alkaline earth metal. It is primarily used as a hardening agent in alloys, most… … Wikipedia
Promethium — (pronEng|prəˈmiːθiəm/, /proʊˈmiːθiəm) is a chemical element with the symbol Pm and atomic number 61. It is notable for being the only other exclusively radioactive element besides technetium which is followed by chemical elements that have stable … Wikipedia
Polonium — (] [cite journal author = Momoshima N., Song L.X., Osaki S.,Maeda Y., title = Biologically induced Po emission from fresh water journal =J Environ Radioact. year = 2002 volume = 63 issue = 2 pages = 187–197 doi =10.1016/S0265 931X(02)00028 0]… … Wikipedia
Radon — This article is about the chemical element. For other uses, see Radon (disambiguation). astatine ← radon → francium Xe ↑ Rn ↓ Uuo … Wikipedia
Isotopes of polonium — Polonium (Po) has 33 known isotopes, all of which are radioactive. They have atomic masses that range from 188u to 220u. 210Po is the most widely available. 209Po (half life 103 years) and 208Po (half life 2.9 years) can be made through the alpha … Wikipedia
Lawrencium — (pronEng|ləˈrɛnsiəm) is a radioactive synthetic element with the symbol Lr (formerly Lw) and atomic number 103.Its most stable known isotope is 262Lr, with a half life of approximately 3.6 hours. Little is known of the chemistry but there is… … Wikipedia
