Conversion rate of nitrogen oxides (image) Tokyo Metropolitan University Share Print E-Mail Caption Conversion rate of nitrogen oxides at different temperatures for conventional, V(V) oxide and V(IV)+V(V) oxide "defective" catalysts. The mixture of V(V) and V(IV) oxides showed a 10-fold improvement in the 100 - 150 degrees Celsius range. Credit Tokyo Metropolitan University Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.