id	keyword
american_scientific_journal-2772	boost
american_scientific_journal-2772	converter
american_scientific_journal-2772	model
american_scientific_journal-2772	buck
american_scientific_journal-2772	r r
american_scientific_journal-2772	power
american_scientific_journal-2772	d r
american_scientific_journal-2772	engineering
american_scientific_journal-2772	voltage