degree of substitution

基本解释

• 取代度；飽和度；[數] 代換的次數

英汉例句

雙語例句

• The process condition for the preparation of phosphate starch is studied with respect to the degree of substitution and reaction efficiency.
  本文研究了磷酸單酯澱粉制備中諸項工藝條件對産物取代度和磷酸鹽反應傚率的影響。
• 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.
  爲提高變性澱粉漿料在毛紗上漿中的應用性能，制備了一系列具有不同取代度的氨基甲酸酯澱粉。
• Under these conditions, it is possible to quickly obtain carboxymethyl potato starch with higher degree of substitution and viscosity.
  在此條件下可以快速獲得較高取代度和粘度的羧甲基馬鈴薯澱粉。

• degree of substitution更多例句

词组短语

短語

• the degree of substitution 取代度
• molar degree of substitution 摩爾取代度
• 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

• degree of substitution更多词组

专业释义

化學

• 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；澱粉的來源不同，使用相同的變性方法，澱粉的性質不同；而且澱粉的來源相同，變性方法也相同，但取代度不同，其性質也將會千差萬別；至於變性方法不同，變性的物質不同那就更不言而語了。

  機械工程

• 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.
  該工藝所制備的小麥辛烯基琥珀酸澱粉酯的取代度爲0.012 40.019 4。

  數學

• 代換的次數
• 代換次數