乘法的

This thesis studied on the antimicrobial activity of clove oil and modified the antimicrobial component-eugenol by structural polishes. The antimicrobial activity of the derivatives of eugenol was determined.

本论文对丁香油中的抑菌活性成分进行了研究，并对得到的抑菌活性成分-丁香酚进行了结构修饰改造，测定了各结构修饰产物的抑菌活性。

There is also another island once known as Hull Island in the Phoenix Islands , which is now known as Orona .

还有另一个岛上赫尔曾经被称为岛菲尼克斯群岛，目前已知Orona 。