SEARCH Articles Figures Tables Activated oxygen Active oxygen Activity reduction Containing Enzymes in Oxygen Activation and Reduction Dissolved-oxygen reduction curve active-passive oxidation Oxygen activation Oxygen activators Oxygen reduction Oxygen reduction highly active PtFe Oxygen reduction reaction ORR) activity Oxygen reduction reaction activation polarization Oxygen reduction reaction activity Oxygen reduction reaction catalysts activation energy Oxygen reduction reaction mass activity Oxygenates reduction Particle size effect specific-oxygen reduction activity Reduction activated Reduction activation Reduction oxygenation Reductive activation Reductive activation of oxygen by dihydroflavins Reductive activation, of molecular oxygen Reductive oxygenation Specific and Mass Activities for Oxygen Reduction on Platinum in Phosphoric Acid