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.

将云南先锋褐煤采热模拟实验方法制得一组成熟度煤,并将煤干酪根于对菲吸附研究。

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，具有生成油气及天然气水合物可能性。