| http://www.w3.org/ns/prov#value | - The present composition can also be used as a catalyst component (e.g., a support) in intimate combination with a hydrogenating component such as a metal, particularly a transition metal, especially tungsten, vanadium, molybdenum, rhenium, nickel, cobalt, chromium, manganese, or a noble metal such as platinum or palladium or mixtures thereof where a hydrogenation-dehydrogenation function is to be
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