This HTML5 document contains 45 embedded RDF statements represented using HTML+Microdata notation.

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

Namespace Prefixes

Prefix	IRI
n2	http://qudt.org/vocab/quantitykind/
dcterms	http://purl.org/dc/terms/
n4	http://qudt.org/vocab/unit/
n3	http://qudt.org/schema/qudt/
skos	http://www.w3.org/2004/02/skos/core#
rdfs	http://www.w3.org/2000/01/rdf-schema#
n5	http://qudt.org/vocab/dimensionvector/
n8	http://qudt.org/2.1/vocab/
rdf	http://www.w3.org/1999/02/22-rdf-syntax-ns#
xsdh	http://www.w3.org/2001/XMLSchema#

Statements

Subject Item

n2:MeanLifetime

rdf:type

n3:QuantityKind

rdfs:label

Mean Lifetime

rdfs:isDefinedBy

n8:quantitykind

skos:broader

n2:Time

dcterms:description

The "Mean Lifetime" is the average length of time that an element remains in the set of discrete elements in a decaying quantity, \(N(t)\).

n3:applicableUnit

n4:DAY_Sidereal n4:MicroSEC n4:MIN n4:SEC n4:MIN_Sidereal n4:MO n4:MegaYR n4:WK n4:MO_MeanGREGORIAN n4:YR n4:YR_Common n4:MO_MeanJulian n4:PicoSEC n4:MO_Synodic n4:SH n4:MilliPA-SEC-PER-BAR n4:PA-SEC-PER-BAR n4:YR_Sidereal n4:YR_TROPICAL n4:MicroH-PER-KiloOHM n4:MilliSEC n4:MicroH-PER-OHM n4:H-PER-OHM n4:H-PER-KiloOHM n4:PlanckTime n4:KiloSEC n4:HR_Sidereal n4:NanoSEC n4:MilliH-PER-KiloOHM n4:MilliH-PER-OHM n4:CentiPOISE-PER-BAR n4:POISE-PER-BAR n4:KiloYR n4:HR n4:DAY

n3:hasDimensionVector

n5:A0E0L0I0M0H0T1D0

n3:informativeReference

http://en.wikipedia.org/wiki/Exponential_decay

n3:isoNormativeReference

http://www.iso.org/iso/catalogue_detail?csnumber=31895

n3:latexDefinition

\(\tau = \frac{1}{\lambda}\), where \(\lambda\) is the decay constant.

n3:latexSymbol

\(\tau\)