the National Natural Science Foundation of China (Grant No. 40403005)
Although 1-alkyl-2,3,6-trimethylbenzenes and a high relative amount of 1,2,3,4-tetramethylbenzene have been detected in marine oils and oil asphaltenes from Tabei uplift in the Tarim Basin, their bio-logical sources a...
Saturate hydrocarbon fractions desorbed (cleaned) from asphaltenes extracted and separated from two core samples (a tar sand and a reservoir sandstone sample) were analyzed by gas chromatography mass spectrometry (GC ...