The results indicated that extracts contain aliphatic, aromatic and naphthenic compounds and a large amount of oxygen containing group.
结果表明，萃取物中含有脂肪族结构、芳香结构、大量含氧基团，并含有脂环化合物。
2
The experimental results show that the fractions of the extracts consist mainly of aliphatic hydrocarbons, aromatic hydrocarbons and heteroatom-containing compounds.
实验结果表明，萃取物主要由脂肪烃、 芳香烃和含杂原子化合物组成。
3
The results showed that the removal efficiencies of phenols and aromatic compounds are high, whereas those of aliphatic hydrocarbons are low by the biochemical aeration process in the refinery.