relative mclecular weight

• 相对分子质量

relative mclecular weight的用法和样例：

例句

1. The influence of solvents,molecular weight and the content of polyethersulfone on the membrane performances was studied.
   研究了聚醚砜的溶剂和相对分子质量及含量对膜性能的影响。
2. The graft copolymer of cationic starch and APAM with narrow molecular weight distribution was prepared and used for dry-strengthening agent.
   用阳离子淀粉接枝窄相对分子质量阴离子聚丙烯酰胺制备干增强剂。