id	keyword
american_scientific_journal-2032	catalysts
american_scientific_journal-2032	co2
american_scientific_journal-2032	decarboxylation
american_scientific_journal-2032	vol
american_scientific_journal-2032	cao
american_scientific_journal-2032	journal
american_scientific_journal-2032	zro2
american_scientific_journal-2032	oil
american_scientific_journal-2032	volume
american_scientific_journal-2032	addition