1·Methods: Gas chromatography and mass spectrogram were used to analyze their components.
方法：气相色谱-质谱联用分析。
2·By the Gas chromatography and the Gas chromatography-mass spectrogram analysis, the biomarkers in the Lower Cretaceous mud rocks and coals of coal measures from Jixi Basin were studied.
应用气相色谱和色谱—质谱等分析方法，对鸡西盆地下白垩统煤系烃源岩的泥岩和煤岩生物标志物进行研究。