Application of ion exchange technology in the purification, epimerization analysis and detection of sugar was introduced.阐述了离子交换技术在糖的纯化 、 差向异构化及分析检测方面的应用....

n.差向[立体]异构（作用）...

epimerization的音标：epimerization的英式发音音标为：[epɪmərɪ'zeɪʃən]epimerization的美式发音音标为：[epɪmərɪ'zeɪʃən]...