| http://www.w3.org/ns/prov#value | - wherein T represents a transmittance factor (%) measured with an integral sphere at 550 nm wave length together with the substrate; R represents a reflectance factor (%) measured with an integral sphere at 550 nm wavelength together with the substrate; B represents an absorption factor (%) of the substrate such as the molded article of an organic polymer; and t represents a thickness (???) of a la
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