chain length的用法和样例：
例句
- It is obvious that there is an optimum chain length of diblock copolymer for minimizing the mean domain size.
所以，加入等量的嵌段共聚物，存在一个最佳的链长使体系的相区尺寸最小。 - The effects of hydrophobic and hydrophilic chain length of fatty amine ethoxylates on detergency and their effect on laundry product formulations were detailed in this paper.
本文以实验为基础，详细叙述了不同亲水链和疏水链长的脂肪胺聚氧乙烯醚的去污特性及其在家用清洗剂中的洗涤效果。
