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Area Nuclear instrumentation: Physical phenomena, basic concepts, instruments, systems, equipment and detectors / Quantities and units

IEV ref 395-01-05

Symbol
A

en
activity
number dN of spontaneous nuclear transitions or nuclear disintegrations for a radionuclide of amount N produced during a short time interval dt, divided by this time interval

A= dN dt MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaaiaabgeacqGH9aqpdaWcaaqaaiaacsgacaWGobaabaGaaiizaiaadshaaaaaaa@3AC2@

Note 1 to entry: The unit is becquerel (Bq).

Note 2 to entry: This entry was numbered 393-14-12 in IEC 60050-393:2003.


fr
activité, f
nombre dN de désintégrations nucléaires spontanées ou de transitions nucléaires qui se produisent dans une quantité donnée de matière pendant un petit intervalle de temps dt, divisé par cet intervalle de temps

A= dN dt MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaaiaabgeacqGH9aqpdaWcaaqaaiaacsgacaWGobaabaGaaiizaiaadshaaaaaaa@3AC2@

Note 1 à l'article: Cette grandeur s'exprime en becquerels (Bq).

Note 2 à l'article: Cet article était numéroté 393-14-12 dans la CEI 60050-393:2003.


de
Aktivität, f

es
actividad, f

it
attività

ko
방사능

ja
放射能

pl
aktywność, f

pt
atividade

zh
放射性活度
活度

Publication date: 2014-03
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