curly arrows造句

例句与造句

1. A rearrangement is not well represented by simple and discrete electron transfers ( represented by curly arrows in organic chemistry texts ).
2. Note that the red curly arrows are conventionally used to denote the reaction process but do not necessarily represent the actual flow of electrons.
3. He is known for inventing the use of the curly arrow to represent electron movement, and he is also known for discovering the molecular structures of morphine and penicillin.
4. The homolytic cleavage of the breaking bond is drawn with a'fish-hook'arrow to distinguish from the usual movement of two electrons depicted by a standard curly arrow.
5. It's difficult to find curly arrows in a sentence. 用curly arrows造句挺难的