| Acronym | Meaning |
| NTR | Nontranslated Region |
| SNF | Spent Nuclear Fuel |
| STEM | Scaled Taylor Exponential Model |
| PLAD | Pulsed Laser Ablation Deposition |
| CORMA | COmplete Relaxation Matrix Analysis |
| ESTEC | European Space Research And Technology Centre |
| FQO | Forced Quantum Oscillator Method |
| COP | Coefficient Of Performance |
| VFOT | Variant Fock Operator Technique |
| QFEB | Quasi-free Electron Bremsstrahlung |