pyran ring

网络  吡喃环

医学



双语例句

  1. UV, IR and 1H-NMR analysis, the three fractions of polysaccharide are β-glycosidic linkage of the pyran ring polysaccharide.
    经UV、IR和1H-NMR分析可知,三种多糖为β-糖苷键连接的吡喃环多糖。