本文介绍了一种能满足L-羟基脯氨酸离子层离新技术工艺要求的大孔强酸型阳离子交换树脂的研制开发情况。
The present work aimed at development of a macroporous strongly acidie ion exchange resin, possessing an appropriate pore structure for ion-exchange-chromatographic purification of L-hydroxyproline.
采用荧光探针法研究了在烷基伯胺和季铵盐阳离子表面活性剂在一水硬铝石表面吸附层结构。
Pyrene fluorescence probe was used to investigate the structure of the adsorbed layer of cationic surfactants primary amines and quaternary amines at the diaspore-water interface.
较强的淀粉阳离子性，较高的S：MA比例有利于最终印品阶调、色偏、轮廓清晰度和墨层匀度的提高。
The stronger cationic of starch, the higher ratio of S:MA help to improve the gray scale, color difference, contour sharpness and uniformity of ink film of end prints.
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