Results:Each polymorphic form solid has it's x ray powder diffraction pattern and this different solid form shows different stability, formulability and bioavailability.

结果：同一药物的不同晶型粉，显示出各自不同的结构图形、溶解度及生物有效度的特性。

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A new crystal structure of Nateglinide called s - out was found and determined by X - ray powder diffraction method. The pattern, data and the crystal size were given.

用X射线衍射相分析法发现并确定降血糖新药那格列奈另一种新的晶型结构，我们称之为s型。

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