| Acronym | Meaning |
| PAUR | Photochemical Activity And Solar Ultraviolet Radiation [project] |
| PSS | Perturbed Stationary State |
| PPFD | Photosynthetic Photon Flux D. |
| QGP | Quark Gluon Plasma |
| ESI | Electrospray Ionization |
| TIMS | Technical Information Management System |
| HID | High Intensity Discharge |
| CBF | Correlated Basis Function |
| SCOP | Spherical Complex Optical Potential (in Quantum Calcn. On Mol. Scattering) |
| ESD | Element-Specific Detector |