- alpha-emitting waste
- альфа-излучающие отходы
Англо-русский словарь по экологии. 2011.
Англо-русский словарь по экологии. 2011.
Alpha particle — Alpha particles (named after and denoted by the first letter in the Greek alphabet, α) consist of two protons and two neutrons bound together into a particle identical to a helium nucleus; hence, it can be written as He2+ or 42He2+. They are a… … 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
Transuranic waste — is defined as: Waste containing more than 100 nanocuries of alpha emitting transuranic isotopes per gram of waste with half lives greater than 20 years, except for high level radioactive waste...All TRU elements are heavier than uranium, have… … Wikipedia
radioactivity — /ray dee oh ak tiv i tee/, n. Physics, Chem. the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element. Also called activity. [1895… … Universalium
Neutron — This article is about the subatomic particle. For other uses, see Neutron (disambiguation). Neutron The quark structure of the neutron. (The color assignment of individual quarks is not important, only that all three colors are present.)… … Wikipedia
Institute for Transuranium Elements — The Institute for Transuranium Elements (ITU) is a European Commission nuclear research institute in Karlsruhe, Germany. The ITU is one of the seven institutes of the Joint Research Centre (JRC), a Directorate General of the European Commission… … Wikipedia
actinide element — ▪ chemical element group Introduction any of a series of 15 consecutive chemical elements in the periodic table from actinium to lawrencium (atomic numbers 89–103). As a group they are significant largely because of their radioactivity.… … Universalium
Naturally occurring radioactive material — Naturally Occurring Radioactive Materials (NORM) and Technologically Enhanced Naturally Occurring Radioactive Materials (TENORM) consist of materials, usually industrial wastes or by products enriched with radioactive elements found in the… … Wikipedia
Alexander Litvinenko poisoning — Alexander Litvinenko was a former officer of Russian Federal Security Service, who escaped prosecution in Russia and received a political asylum in Great Britain. He authored two books, and Lubyanka Criminal Group, where he accused Russian secret … Wikipedia
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
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