Methods:Refer to testing second methods of degree of dissolving out of pharmacy tablet in 《Pharmacopeia of China》2000 year edition, second portion.
方法：测定方法参照《中国药典》2 0 0 0年版二部溶出度第二测定方法进行。
Beijing second edition sailing, agriculture, housing 2 yuan won a medal old stamps Issue date: 1923 Beijing edition sailing stamps, are finance printing bureau the second time sculpture printing.
简介：民普9北京二版帆船、农获、牌坊邮票2元旧一枚发行日期：1923年24全北京一版帆船邮票，系财政部印刷局第二次雕版印刷。
Beijing second edition sailing, agriculture, housing 2 yuan won a medal old stamps Issue date: 1923 Beijing edition sailing stamps, are finance printing bureau the second time sculpture printing.
简介：民普9北京二版帆船、农获、牌坊邮票2元旧一枚发行日期：1923年24全北京一版帆船邮票，系财政部印刷局第二次雕版印刷。
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