id	keyword
american_scientific_journal-1800	10m
american_scientific_journal-1800	catalysts
american_scientific_journal-1800	vol
american_scientific_journal-1800	catalytic
american_scientific_journal-1800	decarboxylation
american_scientific_journal-1800	acid
american_scientific_journal-1800	surface
american_scientific_journal-1800	zro2
american_scientific_journal-1800	mgo