scission造句

1、The third part is the education of children returning from chain scission problem.
第三部分主要研究返乡流动儿童的教育断链问题。

2、DNA strand scission and topology changes are catalyzed by DNA topoisomerases.
DNA拓扑异构酶与断开dna链和改变其拓扑结构有关。

3、The reaction of chain scission is first-order reaction.
白油的断链为一级反应。