Fig. 14
From: Thermal cracking for upgrading medium-low maturity shale oil: evolution of organic matter occurrence

PY-GC-MS spectra of 5# oil shale pre-pyrolysis and post-pyrolysis.
From: Thermal cracking for upgrading medium-low maturity shale oil: evolution of organic matter occurrence

PY-GC-MS spectra of 5# oil shale pre-pyrolysis and post-pyrolysis.