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合成和细菌作用，具有生成
气及天然气水合物可能性。
-7-异
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合成和细菌作用，具有生成气及天然气水合物可能性。
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