With theincreasing of polymerization degree of EO, the reaction time will be prolonged, thecolor of the production becomes darker, the viscosity drops smoothly, the content ofpolyethylene glycol is increasing, and the productive rate is declining.3.
随着环氧乙烷聚合度的加大,反应时间延长,产物色泽加深,粘度减小,聚乙二醇含量增加,得率下降。
参考来源 - 松香基葡萄糖苷的合成及性能研究·2,447,543篇论文数据,部分数据来源于NoteExpress
The average polymerization degree of cellulose cotton pulp was measured as 546 - 556 by this method.
利用该方法测得的纤维素棉浆粕的平均聚合度为546-556;
The controlling methods of polymeric dispersant with low polymerization degree and narrow molecular weight distribution were introduced.
介绍了低聚合度、窄分子量分布的聚合物分散剂的控制方法。
X-ray diffraction shows that polyaniline crystal particles are formed in SF coal, which have low polymerization degree and form the stable composites with SF coal.
衍射分析表明,苯胺在煤中聚合生成了较多低聚合度的聚苯胺晶粒,这些晶粒与SF煤发生了较为稳定的复合。
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