知识贝壳
知识贝壳
所属栏目：发酵生物技术英语
Carbohydrates are usually defined as polyhydroxy aldehydes and ketones or substances that hydrolyze to yield polyhydroxy aldehydes and ketones.Monosaccharides are classified according to (1) the number of carbon atoms present in the molecule and (2) wheth ......（本文共 3272 字 ） [阅读本文] >>