| http://www.w3.org/ns/prov#value | - Accordingly, the average particle diameter of 1-10 nm is more preferable, and the average particle diameter of 1-5 nm is still more preferable.In addition, ???average particle diameter??? of the core of the present invention is referred to as an accumulated 50% volume particle diameter measured by a laser scattering method.(Shell Layer)The shell layer of the present invention is a layer to cover t
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