| Acronym | Meaning |
| PC | Personal Computer |
| AQG | Air Quality Guideline |
| NETI | National Enforcement Training Institute |
| DWBE | Distorted-wave Born (approxn. With) Exchange |
| IBAD | Ion-Beam-Assisted Deposition |
| AAFEB | Anaerobic Attached Film Expanded Bed |
| PREELS | Position-resolved Electron Energy Loss Spectroscopy |
| DETA | Dielectric Thermal Analysis |
| GT | Gas Turbine |
| QRPA | Quadratic Random Phase Approxn. |