id	keyword
brj-24540	pahs
brj-24540	hydrothermal
brj-24540	carbon
brj-24540	rs pahs
brj-24540	content
brj-24540	temperature
brj-24540	pahs content
brj-24540	reaction
brj-24540	et al
brj-24540	aromatic
brj-24540	bap
brj-24540	formation
brj-24540	hydrothermal carbon
brj-24540	doi
brj-24540	article
brj-24540	carbonization
brj-24540	weight
brj-24540	time