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An Entity of Type : http://qudt.org/schema/qudt/QuantityKind, within Data Space : foodie-cloud.org, foodie-cloud.org associated with source document(s)

AttributesValues
type
label
  • Activity (en)
isDefinedBy
has broader
Description
  • "Activity" is the number of decays per unit time of a radioactive sample, the term used to characterise the number of nuclei which disintegrate in a radioactive substance per unit time. Activity is usually measured in Becquerels (\(Bq\)), where 1 \(Bq\) is 1 disintegration per second, in honor of the scientist Henri Becquerel. (http://qudt.org/schema/qudt/LatexString)
http://qudt.org/sc...dt/applicableUnit
http://qudt.org/schema/qudt/dbpediaMatch
http://qudt.org/sc...asDimensionVector
http://qudt.org/sc...ormativeReference
http://qudt.org/sc...ormativeReference
http://qudt.org/sc...t/latexDefinition
  • \(A = Z + N\), where \(Z\) is the atomic number and \(N\) is the neutron number. Variation \(dN\) of spontaneous number of nuclei \(N\) in a particular energy state, in a sample of radionuclide, due to spontaneous nuclear transitions from this state during an infinitesimal time interval, divided by its duration \(dt\), thus \(A = -\frac{dN}{dt}\). (http://qudt.org/schema/qudt/LatexString)
http://qudt.org/schema/qudt/symbol
  • A
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