单词盒子

degree of substitution

D 开头单词

基本解释

  • 取代度；饱和度；[数] 代换的次数

英汉例句

    双语例句

  • The process condition for the preparation of phosphate starch is studied with respect to the degree of substitution and reaction efficiency.
    本文研究了磷酸单酯淀粉制备中诸项工艺条件对产物取代度和磷酸盐反应效率的影响。
  • In order to improve the serviceability of modified starch in sizing wool warp yarns, a series of starch carbamate with different degree of substitution were prepared.
    为提高变性淀粉浆料在毛纱上浆中的应用性能，制备了一系列具有不同取代度的氨基甲酸酯淀粉。
  • Under these conditions, it is possible to quickly obtain carboxymethyl potato starch with higher degree of substitution and viscosity.
    在此条件下可以快速获得较高取代度和粘度的羧甲基马铃薯淀粉。

词组短语

    短语

  • the degree of substitution 取代度
  • molar degree of substitution 摩尔取代度
  • high degree of substitution 高取代度
  • low degree of substitution 低取代度
  • DS degree of substitution 衍生物取代度

专业释义

    化学

  • 取代度

    The behaviour of starch is different even if it has the same resources and the same modified methods when its degree of substitution is different .
    大量的研究表明；淀粉的来源不同，使用相同的变性方法，淀粉的性质不同；而且淀粉的来源相同，变性方法也相同，但取代度不同，其性质也将会千差万别；至于变性方法不同，变性的物质不同那就更不言而语了。

    机械工程

  • 取代度

    After OSA modification,the degree of substitution was 0.012 40.019 4. Photomicrographs by scanning electron microscopy revealed that OSA groups acted by attacking the surface and some hollows formed.
    该工艺所制备的小麦辛烯基琥珀酸淀粉酯的取代度为0.012 40.019 4。

    数学

  • 代换的次数
  • 代换次数