Objective To explore the inner quality of ultra micro-powder.
目的探讨当归超微细粉的内在质量。
Please take me to look around your show room first. I am looking for the first generation micro-powder tile.
请先带我参观一下你们的展厅好吗？我正在找第一代的那种微粉砖。
Methods: The contents and stripping characteristic of target compositions - Ursolic acid of Liuwei Dihuang powder and ultra micro-powder were compared and studied.
方法：对比考察六味地黄细粉及超微细粉中目标成分熊果酸的含量和溶出特性。
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