This HTML5 document contains 23 embedded RDF statements represented using HTML+Microdata notation.

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Namespace Prefixes

Prefix	IRI
n2	http://qudt.org/vocab/quantitykind/
n4	http://qudt.org/vocab/unit/
n3	http://qudt.org/schema/qudt/
rdfs	http://www.w3.org/2000/01/rdf-schema#
skos	http://www.w3.org/2004/02/skos/core#
n5	http://qudt.org/vocab/dimensionvector/
n7	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:RadiantEmmitance

rdf:type

n3:QuantityKind

rdfs:label

Radiant Emmitance

rdfs:isDefinedBy

n7:quantitykind

skos:broader

n2:PowerPerArea

n3:applicableUnit

n4:FT-LB_F-PER-FT2-SEC n4:ERG-PER-CentiM2-SEC n4:BTU_IT-PER-SEC-FT2 n4:MicroW-PER-M2 n4:BTU_IT-PER-HR-FT2 n4:PSI-L-PER-SEC n4:MilliW-PER-M2 n4:W-PER-FT2 n4:J-PER-CentiM2-DAY n4:W-PER-IN2 n4:W-PER-CentiM2 n4:W-PER-M2 n4:KiloCAL-PER-CentiM2-SEC n4:KiloCAL-PER-CentiM2-MIN n4:PicoW-PER-M2

n3:hasDimensionVector

n5:A0E0L0I0M1H0T-3D0

n3:informativeReference

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

n3:latexDefinition

\(M = \frac{d\Phi}{dA}\), where \(d\Phi\) is the radiant flux leaving the element of the surface area \(dA\).

n3:plainTextDescription

Irradiance and Radiant Emittance are radiometry terms for the power per unit area of electromagnetic radiation at a surface. "Irradiance" is used when the electromagnetic radiation is incident on the surface. "Radiant emmitance" (or "radiant exitance") is used when the radiation is emerging from the surface.