This paper develops the method of extraction and purification of thrombin from the porcine plasma by using Ion Exchange. 建立了用磷鉬酸喹啉容量法和離子交換法測定四羥甲基氯化鐵含量的方法。
The advancement of the transesterification method is described emphatically. 文中著(zhù)重闡述了酯交換法的研究進(jìn)展。
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