The ubiquity of phenanthrene series, chrysene series compounds, perylene and retene compounds in the sediment indicated that PAHs mainly came from the terrestrial plants.
在样品中检测到角鲨烯，表明这一地区存在生物甲烷
成和细菌作用，具有生成油
及
物可能性。
The ubiquity of phenanthrene series, chrysene series compounds, perylene and retene compounds in the sediment indicated that PAHs mainly came from the terrestrial plants.
在样品中检测到角鲨烯，表明这一地区存在生物甲烷成和细菌作用，具有生成油及物可能性。
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