The results showed that the aromatic ratio, heteroatom and metal contents contribute to the high polarity of the asphaltenes. This is the basis of other properties of heavy oil.
结果表明，沥青质的高极性是由其高芳烃含量、高杂原子和金属含量引起的，这是研究稠油其它性质的基础。
That means for high styrene compounds e. g. tread compounds, the oil which has high aromatic content have better compatibility with it.
因此，对于高苯乙烯胶料(如胎面胶料)而言，芳烃含量高的油品与其相溶性更好。
High levels of drug aromatic oil can be extracted from the oil-water separator.
可提取高含量的药物芳香油，从油水分离器中取出。
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