id	keyword
american_scientific_journal-4167	asphalt
american_scientific_journal-4167	div/0
american_scientific_journal-4167	water
american_scientific_journal-4167	energy
american_scientific_journal-4167	research
american_scientific_journal-4167	mscr
american_scientific_journal-4167	figure
american_scientific_journal-4167	activation
american_scientific_journal-4167	table