TEM image of a triple-atom active center (IMAGE) Chinese Academy of Sciences Headquarters Caption TEM image of a triple-atom active center and the schematic illustration of a sub-nanometer reactor hosting it for catalyzing NRR Credit LIANG Ji Usage Restrictions None License Licensed content 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.