英语释义

• the act of dividing by cutting or splitting

片语

chain scission[有化] 断链(作用)

separation分离，分开；间隔，距离；[法] 分居；缺口

slicing切断，切片；限制，[电子] 限幅

molecular scission分子断键

dna scissiondna及其

scission reaction裂解反应

neck scission颈剪裂

scission yields切开产率

crosslink scission交联剪切

bond scission键裂开

scission model断点模型

英汉例句

• The dependence of chain scission and racemization on temperature results from molecular motion, 「cage effect」 and steric hindrance during recombination.

  分子量降低和消旋作用对温度的依赖性，是由于分子运动和笼罩效应以及重合的空间位阻效应所致。

• 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。

• The radiation effect on poly (methyl methacrylate) with different tacticities was studied. It was proposed that chain scission process was in a kinetic equilibrium between scission and recombination.

  本文研究了三种不同空间立构聚甲基丙烯酸甲酯的辐射效应，提出裂解过程是一种裂解与重合的动态平衡过程。

• The reaction of chain scission is first - order reaction.

  白油的断链为一级反应。

• PP will degrade due to heat during processing, resulting in chain scission of macromolecule, reduction in molecular weight and rise in MI.

  聚丙烯在加工时受热将发生大分子断链降解，致使分子量减小，熔体指数上升。

• 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。

• The invention relates to a method for preparing low-molecular vegetable gum through chain scission of macromolecular vegetable gum by a physical or chemical method.

  本发明涉及通过利用物理或化学的方法，使高分子的植物胶断链而成为低分子植物胶的制备方法。