有關platinum的精選大全

用platinum catalyst造句子,“platinum catalyst”造句
Mostfuelcellsbeingdevelopedforportableusearebasedondirect-methanoltechnology,whichrequiresanexpensiveplatinumcatalyst.Thepreparationof5Azeolitesupportedplatinumcatalyst,anditscatalyticcapabilitiesforh...
用platinum造句子,“platinum”造句
Buildingsareratedsilver,goldorplatinum.Edison'slabputalotofeffortintomakingabulbwithaplatinumfilament,butthatworkwentnowhere,becauseplatinumhasarelativelylowresistance.Soyabeansandplatinum,amongother...
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