The results showed that there were the similarly elemental structures of petroleum acids which were divided into aliphatic acids,naphthenic acids and aromatic acids,but the differ...

• 结果表明,这两种原油中的石油酸结构基本一致,分别为脂肪酸、环烷酸和芳香酸,不同的是对于同一种类的石油酸,碳数范围不同,所占的质量百分数不同。