片语

low degree of substitution carboxymethylcellulose低取代度羧甲基纤维素

DS degree of substitution衍生物取代度

degree of substitution distribution取代度分布

the degree of substitution取代度

high degree of substitution高取代度

degree of substitution ds取代度

molar degree of substitution摩尔取代度

low degree of substitution低取代度

degree of saturation[化学] 饱和度

higher degree of substitution高取代度

saturability饱和度，饱和能力

英汉例句

• 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.

  探讨了以异丙醇-水作溶剂，通过一次醚化，制备高取代度、高粘度羧甲基淀粉醚的最佳条件。

• The effects of sodium hydroxide, reaction temperature, reaction time, acrylamide concentration on the reaction efficiency and degree of substitution were studied.

  考察了堿用量、反应温度、反应时间、丙烯酰胺浓度对反应效率和取代度的影响。

• RESULTS AND CONCLUSION: With the degree of substitution and molecular weights increased, the stability of the nanoparticles enhanced, critical micelle concentration decreased.

  结果与结论：随着相对分子质量和取代度的增加，粒子稳定性增强，临界胶束质量浓度降低。

• The results also show that the extent of impacts from biofuel is highly dependent on international oil prices and the degree of substitution between biofuel and gasoline.

  生物能源对农业及其它产业部门的影响程度高度依赖于国际石油价格，以及生物能源与汽油的替代程度。

• The effects of the molar ratio of activated tapioca starch to maleic anhydride, the reaction temperature and reaction time on degree of substitution of esterified starch were examined.

  讨论了活化木薯淀粉与马来酸酐的摩尔比、反应温度、反应时间对酯化淀粉取代度的影响。

• The low degree of substitution cationic starch was synthesized in dry process by using petroleum ether as dispersant. The reaction efficiency was more effective and the product was more homogeneous.

  用石油醚作为分散剂，干法制备低取代度阳离子淀粉，反应效率更高，产品更均一。

• Higher feed ratio could lead to higher loading capacity and lower encapsulation efficiency under the same degree of substitution of cholesteryl moiety and molecular weights of parent pullulan.

  当取代度和相对分子质量相同时，随着投料比的增加，载药量增加而包封率降低。

• The influences of reaction temperature and time, the amount of sulfuric acid and water on the degree of substitution were investigated.

  分别考察了反应时间、反应温度等对取代度的影响。

• 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。