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20051216

金虫 (正式写手)

[求助] 溶出效率DE是什么意思?要怎么计算?

溶出效率(DE)又是如何计算的呢?本人看文献看的不是很明白……
The dissolution profiles were evaluated on the basis of the dissolution efficiency
parameter at 30 minutes (DE30 minutes, %) and at 240minutes (DE240 minutes, %) calculated from the area under the dissolution curves and expressed as a per-
centage of the area of the rectangle described by 100% dissolution in the same time。
DE为时间点T1和T2溶出曲线下面积在相同时间100%溶出度的长方形面积中所占的百分比。
”相同时间100%溶出度的长方形面积“怎么理解?
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839967781

木虫 (职业作家)

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20051216(金币+2): 2011-10-01 09:06:30
就T2-T1时间的溶出曲线下面积,与最大溶出时T2-T1曲线下面积之比,100%溶出时曲线变成直线了,拿纵坐标乘以时间(T2-T1)就是长方形的面积了
2楼2011-09-30 16:10:23
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839967781

木虫 (职业作家)

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如图所示


呵呵
3楼2011-09-30 16:22:41
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