| http://www.w3.org/ns/prov#value | - Inorganic fine particles 54, for example, fine particles of an aluminum-silicon alloy, are immersed in a non-aqueous solution of a silane type surface active agent 55, for example, CH.tbd.C--(CH2)n --SiCl3 wherein n is a positive integer contained in a solvent comprised principally of n-hexadecane.
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