- fission product nuclides
- изотопы продуктов деления; осколочные изотопы
English-Russian small dictionary of medicine. 2015.
fission product nuclides
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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
nuclear fission — fission (def. 2). [1885 90] * * * Division of a heavy atomic nucleus into two fragments of roughly equal mass, accompanied by the release of a large amount of energy, the binding energy of the subatomic particles. The energy released in the… … Universalium
Activation product — Activation products are materials made radioactive by neutron activation.Fission products and actinides produced by neutron absorption of nuclear fuel itself are normally referred to by those specific names, and activation product reserved for… … Wikipedia
Isotopes of caesium — Caesium (Cs) has 40 known isotopes. The atomic masses of these isotopes range from 112 to 151. Only one isotope, 133Cs, is stable. The longest lived radioisotopes are 135Cs with a half life of 2.3 million years, 137Cs with a half life of 30.1671… … Wikipedia
Caesium-134 — has a half life of 2.0652 years. It is produced both directly (at a very small yield) as a fission product, but not via beta decay of other fission product nuclides of mass 134, since beta decay stops at stable Xe 134. It is also produced via… … Wikipedia
134 (number) — Number|number = 134 cardinal = one hundred [and] thirty four ordinal = th ordinal text = one hundred [and] thirty fourth numeral = factorization = 2 cdot 67 prime = divisor = 1, 2, 67, 134 unicode = greek prefix = latin prefix = misc =134 is the… … Wikipedia
Decay chain — In nuclear science, the decay chain refers to the radioactive decay of different discrete radioactive decay products as a chained series of transformations. Most radioactive elements do not decay directly to a stable state, but rather undergo a… … Wikipedia
Technetium — molybdenum ← technetium → ruthenium Mn ↑ Tc ↓ Re … Wikipedia
Behavior of nuclear fuel during a reactor accident — This page is devoted to a discussion of how uranium dioxide nuclear fuel behaves during both normal nuclear reactor operation and under reactor accident conditions such as overheating. Work in this area is often very expensive to conduct, and so… … 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
Isotopes of neptunium — Neptunium (Np) is an artificial element, and thus a standard atomic mass cannot be given. Like all artificial elements, it has no stable isotopes. The first isotope to be synthesized was 239Np in 1940, produced by bombarding 238U with neutrons to … Wikipedia
