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<j.0:latexDefinition rdf:datatype="http://qudt.org/schema/qudt/LatexString">Relative variation $\frac{dN}{N}$ of the number $N$ of atoms or nuclei in a system, due to spontaneous emission from these atoms or nuclei during an infinitesimal time interval, divided by its duration $dt$, thus $\lambda = -\frac{1}{N}\frac{dN}{dt}$.</j.0:latexDefinition>
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<j.0:informativeReference rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">http://en.wikipedia.org/wiki/Exponential_decay</j.0:informativeReference>
<j.0:plainTextDescription>The "Decay Constant" is the proportionality between the size of a population of radioactive atoms and the rate at which the population decreases because of radioactive decay.</j.0:plainTextDescription>
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<j.1:description rdf:datatype="http://www.w3.org/1999/02/22-rdf-syntax-ns#HTML">The "Decay Constant" is the proportionality between the size of a population of radioactive atoms and the rate at which the population decreases because of radioactive decay.</j.1:description>
<j.0:isoNormativeReference rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">http://www.iso.org/iso/catalogue_detail?csnumber=31895</j.0:isoNormativeReference>
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