| http://www.w3.org/ns/prov#value | - Furthermore, it was confirmed that the same production can be effected with a metal oxide, metal nitride or metal carbide, such as chromium oxide, aluminum oxide, silver oxide, copper oxide, nickel oxide, manganese nitride, tungsten nitride, titanium nitride, iron nitride, silver nitride, titanium nitride, iron carbide, copper carbide, manganese carbide, or aluminum carbide.
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