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应助--Poly (lactic acid) foaming.pdf
大小：2.59MB
时间：2014-12-22 15:01
Direct synthesis of poly(l-lactic acid) in supercritical carbon dioxide with dicyclohexyldimethylcarbodiimide and 4-dimethylaminopyridine.pdf
大小：269.37KB
时间：2013-10-10 19:44
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