关于platinum的百科

• platinum catalyst造句怎么写

• Mostfuelcellsbeingdevelopedforportableusearebasedondirect-methanoltechnology,whichrequiresanexpensiveplatinumcatalyst.Thepreparationof5Azeolitesupportedplatinumcatalyst,anditscatalyticcapabilitiesforhydrosilylationreactionofacetylenewithtriethoxysila...
• 2022-09-0212741

• platinum造句怎么写

• Buildingsareratedsilver,goldorplatinum.Edison'slabputalotofeffortintomakingabulbwithaplatinumfilament,butthatworkwentnowhere,becauseplatinumhasarelativelylowresistance.Soyabeansandplatinum,amongothers,havealsoreachedrecordpricesinthepastweek.Thenuph...
• 2017-05-2920255