active agent

Alkyl indicant is a new non-ionic surface active agent.

烷基苷是一类新离子表面活性剂。

The result indicates that the main metabolic product of petroleum hydrocarbon degradation is acetic acid and surface active agent of glycolipid composed of fatty acid and rhamnose.

实验表明,微生物降解原油代产物主要是乙酸和以棕榈酸为主脂肪酸与形成酯类表面活性剂。