| Acronym | Meaning |
| MSEP | Mean Square Error Of Prediction |
| SXRFM | Synchrotron X-ray-fluorescence Microprobe |
| SCLO | Self-consistent Local Orbital |
| CPE | Controlled-potential Electrolysis |
| CGC | Capillary Gas Chromatography |
| CCAP | Center For Clean Air Policy |
| DRPA | Direct Random Phase Approximation |
| PICLS | Photoionization Controlled-loss Spectroscopy |
| EDHF | Endothelium-derived Hyperpolarizing Factor |
| IAES | Ion Excited Auger Electron Spectroscopy |