Text B Carbohydrates
工業科技

        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）     [閱讀本文] >>