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，具有生成油气及天然气水合物可能性。
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，具有生成油气及天然气水合物可能性。
In this study a series of different maturation degree coals are yielded by thermally treating a lowgrade lignite, and are used as the sorbents for sorption equilibrium study of phenanthrene.
将
南先锋褐煤采用热模拟的实验方法制得一组成熟度不同的煤,并将煤中的干酪根用于对菲的吸附研究。
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