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MnO2/graphene oxide: a highly active catalyst for amide synthesis from alcohols and ammonia in aqueous media,
JOURNAL OF MATERIALS CHEMISTRY  ¾í: 22   ÆÚ: 35   Ò³: 18115-18118   DOI: 10.1039/c2jm34652d   ³ö°æÄê: 2012
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