| Acronym | Meaning |
| FWHP | Full Width At Half Peak |
| ULF | Ultra Low Frequency |
| MECA | Multiple Excitation Collisional Activation |
| DTGF | Double-time Green Function |
| ESR | Electroslag Refining |
| WEFT | Water Elimination By Fourier Transform |
| CEELS | Core Electron Energy Loss Spectroscopy |
| RBSN | Reaction-bonded Silicon Nitride |
| AGP | Algal Growth Potential |
| FOA | Frozen Orbital Approximation |