| Acronym | Meaning |
| SMIE | Solid-metal-induced Embrittlement |
| HDR | Hot Dry Rock (geothermal Reservoir) |
| ESA | Electrostatic Sector Analysis |
| ACIMS | Active Chemical Ionization Mass Spectroscopy |
| SCCT | Semiclassical Complex Trajectory |
| SUSTECH | Sustainable Technologies Initiative [European Communities] |
| PFNA | Pulsed Fast-neutron Analysis |
| HTSS | Hierarchical Tree Substructure Search |
| ALT | Alanine Aminotransferase |
| BCPCT | Best Conventional Pollutant Control Technology |