The mechanism of organic acids on an anion exchange column Shim pack (Shimadzu, Japan) have been studied.

研究了有机酸在阴离子交换柱垫片组（日本岛津）上的作用机制。

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Method: RRTP-1 was obtained by ion exchange column chromatography and gel chromatography.

方法：采用离子交换柱层析和凝胶柱层析纯化得到RRTP；

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The glycosides in membrane proteins were extracted by using acid and cleared by using ion exchange column.

用酸水解多糖链后经离子交换净化 ，再用醋酐、吡啶加热回流乙酰化。

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Including holdovers, I recommended 45 stocks and exchange-traded funds in this column last year, a few of them more than once.

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