| Acronym | Meaning |
| PERCI | Photoelectron Resonance Capture Ionization |
| SOC | Synthetic Organic Chemical |
| CARRI | Computerized Assessment Of Relative Risk Impacts |
| ERMS | Energy Resolved Mass Spectrometry |
| TFW | Thomas-Fermi-Weizsaecker (electron-d. Theory) |
| NCPM | Noncritical Phase-matching |
| RCT | Reference Control Technology |
| LEISS | Low-energy Ion-scattering Spectroscopy |
| ARIA | Atm. Response In Aurora |
| FDSO | Full Diagonal Second-order (approxn. To)-green Function |