兑水 发表于 2009-10-14 11:02:42

ASTM D 5017-1996 用13-碳核磁共振法测定线性低密度聚乙烯成...

D5017-96(2003)e1 Standard Test Method for Determination of Linear Low Density Polyethylene (LLDPE) Composition by Carbon-13 Nuclear Magnetic Resonance
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