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isotopes <an isotope; isotopes> N

isotopes
نظائر مشعة

radioactive isotopes

abundance of isotopes PHYS

isotope <an isotope; isotopes> N

isotope PHYS

fissionable isotope PHYS

isotope effect PHYS

isotope shift PHYS

radioactive isotope

stable isotope CHEM

Monolingual examples (not verified by PONS Editors)

English
The s-process is "secondary", meaning that it requires preexisting heavy isotopes as seed nuclei to be converted into other heavy nuclei.
en.wikipedia.org
The buildup of fission products and consumption of fissile isotopes eventually stop the nuclear reaction, causing the fuel to become a spent nuclear fuel.
en.wikipedia.org
Many heavy isotopes, most notably californium-252, also emit prompt neutrons among the products of a similar spontaneous radioactive decay process, spontaneous fission.
en.wikipedia.org
Molybdenum isotopes with mass numbers 111 and up all have half-lives of approximately.15 s.
en.wikipedia.org
Roentgenium currently has seven known isotopes; all but one of them undergo alpha decays to become meitnerium nuclei, with mass numbers between 268 and 278.
en.wikipedia.org
For instance, the processing of medical isotopes, having been irradiated in a nuclear reactor or particle accelerator, would be carried out in a hot cell.
en.wikipedia.org
The most important isotopes in spent nuclear fuel are neptunium-237, americium-241, americium-243, curium-242 through -248, and californium-249 through -252.
en.wikipedia.org
Before the discovery of isotopes, empirically determined noninteger values of atomic mass confounded scientists.
en.wikipedia.org
Not all fissionable isotopes can sustain a chain reaction.
en.wikipedia.org
However, in some isotopes, there is an overabundance of one species of nucleon.
en.wikipedia.org

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