Long-lived fission product — Long lived fission products are radioactive materials with a long half life (more than 200,000 years) produced by nuclear fission. Contents 1 Evolution of radioactivity in nuclear waste 1.1 Short term 1.2 Medium lived fission products … 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
Environmental radioactivity — is produced by radioactive materials in the human environment. While some radioisotopes, such as strontium 90 (90Sr) and technetium 99 (99Tc), are only found on Earth as a result of human activity, and some, like potassium 40 (40K), are only… … Wikipedia
Chernobyl compared to other radioactivity releases — This article compares the radioactivity release and decay from the Chernobyl disaster with various other events which involved a release of uncontrolled radioactivity. Contents 1 Chernobyl compared to background radiation 2 Chernobyl compared… … Wikipedia
Nuclear reprocessing — technology was developed to chemically separate and recover fissionable plutonium from irradiated nuclear fuel.[1] Reprocessing serves multiple purposes, whose relative importance has changed over time. Originally reprocessing was used solely to… … Wikipedia
Prompt gamma neutron activation analysis — (PGAA) is a very widely applicable technique for determining the presence and amount of many elements simultaneously in samples ranging in size from micrograms to many grams. It is a non destructive method, and the chemical form and shape of the… … Wikipedia
ilgaamžis radioaktyvumas — statusas T sritis fizika atitikmenys: angl. long lived radioactivity vok. langjährige Radioaktivität, f; langlebige Radioaktivität, f rus. длительная радиоактивность, f; долгоживущая радиоактивность, f pranc. radioactivité à longue période, f;… … Fizikos terminų žodynas
langjährige Radioaktivität — ilgaamžis radioaktyvumas statusas T sritis fizika atitikmenys: angl. long lived radioactivity vok. langjährige Radioaktivität, f; langlebige Radioaktivität, f rus. длительная радиоактивность, f; долгоживущая радиоактивность, f pranc.… … Fizikos terminų žodynas
langlebige Radioaktivität — ilgaamžis radioaktyvumas statusas T sritis fizika atitikmenys: angl. long lived radioactivity vok. langjährige Radioaktivität, f; langlebige Radioaktivität, f rus. длительная радиоактивность, f; долгоживущая радиоактивность, f pranc.… … Fizikos terminų žodynas
radioactivité durable — ilgaamžis radioaktyvumas statusas T sritis fizika atitikmenys: angl. long lived radioactivity vok. langjährige Radioaktivität, f; langlebige Radioaktivität, f rus. длительная радиоактивность, f; долгоживущая радиоактивность, f pranc.… … Fizikos terminų žodynas
