| http://www.w3.org/ns/prov#value | - For instance, where the aromatic ring is a benzene ring, the wavelength range of the light for exposure is approximately from 170 to 150 nm, where the ring is a naphthalene ring, it is approximately from 210 to 170 nm, and where the ring is an anthracene ring, it is approximately 230 to 190 nm.
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