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pengting99

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10楼: Originally posted by maoshengtao at 2013-10-30 12:15:39
你好,那这种膜是什么结构的,没有表面孔隙结构?而且横截面用液氮淬断也做不到,这一类的怎么做?表征过滤前后的孔隙变化不是必要的表征手段么?...

我看你的SEM图片也没有表面孔隙结构啊,是不是超滤膜本身是纳米级别,用SEM是拍不到孔隙结构的呢
11楼2013-11-02 10:36:21
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