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
检测到角鲨烯，表明这一地区存在生物甲烷合成和细菌作用，具有生成油气及
然气水合物可能性。
The ubiquity of phenanthrene series, chrysene series compounds, perylene and retene compounds in the sediment indicated that PAHs mainly came from the terrestrial plants.
在检测到角鲨烯，表明这一地区存在生物甲烷合成和细菌作用，具有生成油气及然气水合物可能性。
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