Work in progress

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    <j.0:latexDefinition rdf:datatype="http://qudt.org/schema/qudt/LatexString">$V(\lambda) = \frac{\Phi_\lambda(\lambda_m)}{\Phi_\lambda(\lambda)}$, where $\Phi_\lambda(\lambda_m)$ is the spectral radiant flux at wavelength $\lambda_m$ and $\Phi_\lambda(\lambda)$ is the spectral radiant flux at wavelength $\lambda$, such that both radiations produce equal luminous sensations under specified photometric conditions and $\lambda_m$ is chosen so that the maximum value of this ratio is equal to 1.</j.0:latexDefinition>
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