high degree of substitution

基本解释

Synthesis and characterization of starch acetate of high degree of substitution;
通過半乾法制備高取代度陽離子澱粉。
With the determined parameters of synthesis, we can obtain CMS with high degree of substitution of 1.10 in one step carboxymethylation process.
在所確定的最佳反應條件下，能制備取代度爲1．10的羧甲基澱粉醚。
This paper discusses the optimum condition for preparing carboxymethyl starch with high degree of substitution and high viscosity by using the solution isopropanol-water through etherification.
探討了以異丙醇-水作溶劑，通過一次醚化，制備高取代度、高粘度羧甲基澱粉醚的最佳條件。

高取代度
The cationic starches with high degree of substitution were prepared and many affecting factors, such as reactant, reagent, catalyst and reaction conditions, were discussed in detail. At the same time, the application properties of the cationic starches were investigated.
本文研究了高取代度陽離子澱粉制備中反應物、反應試劑、催化劑及工藝條件，竝對其應用性能進行了考察。
機械工程
高取代度
Synthesis and properties of CMCS and CMCSa were studied. A high degree of substitution(DS=2.2) carboxymethyl corn starch(CMCS) was prepared by one-step carboxymethylation.
首先通過一次羧甲基化制備了DS_(cm)=2.2的高取代度羧甲基玉米澱粉(CMCS)。