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高大姐55

金虫 (小有名气)

[求助] Ritger-peppas

Ritger-peppas 中Fickian 扩散的n是指什么,如何计算?
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frh20082008

新虫 (初入文坛)

【答案】应助回帖

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感谢参与,应助指数 +1
karl2100: 金币+1, 多谢指教! 2013-04-04 00:12:57
高大姐55: 金币+5, ★★★很有帮助 2013-08-01 08:58:42
n是指释放参数,是表征释放机制的特征参数,与骨架的形状有关。是根据具体释放结果计算出来的 。Ritger-peppas 有个公式.Mt/M∞=k乘以t的n次方 M是累积释放率 t是时间 通过数据计算出n 。你可以查一些缓释片的硕士论文 ,有些对这个介绍的很详细。
2楼2013-04-03 21:49:01
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