Work in progress

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    <rdfs:label xml:lang="en">Micromoles per square metre second</rdfs:label>
    <j.0:ucumCode rdf:datatype="http://qudt.org/schema/qudt/UCUMcs">umol/m2/s</j.0:ucumCode>
    <j.1:description xml:lang="en">One part per 10**6 (million) of the SI unit of quantity of matter (the mole) per SI unit area per SI unit of time.  This term is based on the number of photons in a certain waveband incident per unit time (s) on a unit area (m2) divided by the Avogadro constant (6.022 x 1023 mol-1). It is used commonly to describe PAR in the 400-700 nm waveband. Definition Source: Thimijan, Richard W., and Royal D. Heins. 1982. Photometric, Radiometric, and Quantum Light Units of Measure: A Review of Procedures for Interconversion. HortScience 18:818-822.</j.1:description>
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    <j.0:conversionMultiplierSN rdf:datatype="http://www.w3.org/2001/XMLSchema#double">1.0E-6</j.0:conversionMultiplierSN>
    <j.0:symbol>µmol/(m²·s)</j.0:symbol>
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    ,"symbol":"µmol\/(m²·s)" 
    ,"type":"qudt:Unit" 
    ,"ucum code":"umol.m-2.s-1" 
    ,"ucum code":"umol\/m2\/s" 
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