在生物降解油柱中观测到了石油总体组成、饱和烃和芳烃系列化合物随深度呈连续而系统的梯度变化。

Systematic changes seen as marked gradients in petroleum bulk composition, component concentrations and molecular indicators have been observed in biodegraded oil columns.

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这种未来材料——可生物降解的塑料也许就来自于藻类衍生的油中。

A future source of such biodegradable plastics might even come from algae-derived oil.

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依靠广西丰富的肉桂资源，进行桂油生物降解为天然苯甲醛的研究具有重要意义。

Guangxi province is rich in cinnamon resource, so studies on biodegradation of cinnamon oil into natural benzaldehyde have important significance.

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