The data of GPC indicate that the number-average molecular is 4934 and the polydispersity is 1.978 with a narrow molecular distribution.
GPC测得共聚物的数均分子量为4934，多分散指数是1.978，具有较窄的分子量分布。
The polyether polyols prepared by these DMC catalysts are of low unsaturation, high relative molecular mass, narrow molecular distribution compared with traditional KOH catalysts.
实验发现，用DMC催化剂合成的聚醚与用KOH催化剂合成的聚醚相比不饱和度低，相对分子质量高，相对分子质量分布窄。
And there'll be a distribution of molecular energies.
这样分子的能量就会有一个分布。
应用推荐