For the molecular weight distribution, which one of the followings is not correct?
For the molecular weight distribution, which one of the followings is not correct?
A.There is a considerable variation in molecular weight of polymers
B.The molecular weight distribution can be expressed by the ratio Mw/Mn.
C.A polymer sample can be considered as a mixture of chains having different lengths
D.The molecular weights of polymers are usually uniform
正确答案: The molecular weights of polymers are usually uniform
Tag:材料导论
时间:2021-12-31 13:06:19