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INTRODUCTIONIthadbeenwellknownfordecadesthatcar bonnanofiberscanbepreparedbythecatalyticdecompositionofhydrocarbonsandcarbonmonoxidesonthesurfaceofcertainmetals,suchasFe ,Co ,Niandsomeoftheiralloys,inhy drogenatmosphere (Bakeretal.,1 972 ;Oberinetal.,1 976;Oyaeta… 相似文献
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