IUPAC > Gold Book > alphabetical index > A > average life in nuclear chemistry
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average degree of polymerizationaverage rate of flow in polarography
average life
in nuclear chemistry
Defined for an atom or nuclear system in a specified state. For an exponentially decaying system, it is the average time for the number of atoms or nuclei in a specified state to decrease by a factor e. Synonymous with mean life.
Source:
PAC, 1982, 54, 1533 (Glossary of terms used in nuclear analytical chemistry (Provisional)) on page 1536
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Cite as: IUPAC Compendium of Chemical Terminology, Electronic version, http://goldbook.iupac.org/A00541.html.
Transformed and rewritten from PDF version (entry http://www.iupac.org/goldbook/A00541.pdf)
by: Miloslav Nic, Jiri Jirat, Bedrich Kosata, ICT Prague, Czech Republic
Version for print | History of this term
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