| Acronym | Meaning |
| OLPGAA | On-line Prompt Gamma-ray Activation Analysis |
| DIIS | Direct Inversion In The Iterative Space |
| CCGT | Combined Cycle Gas Turbine |
| PTR-MS | Proton Transfer Reaction-mass Spectrometry |
| OIT | Oxidative Induction Time |
| SMP | Soluble Microbial Products |
| CCFL | Countercurrent Flow Limitation |
| ACC | 1-aminocyclopropane-1-carboxylic Acid |
| CASI | Compact Airborne Spectrographic Imager |
| CFT | Conformal Field Theory |