[化] 链长

chain length的用法和样例:

例句

  1. 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。
  2. 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。

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Up in arms At arm's length 在美国人讲话时,或从书刊报纸上,你经常可以听到或见到一些由手臂,就是英文里的arms这个字组成的成语或俗语。有些习惯用语从

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