| Acronym | Meaning |
| NTI | Negative Thermal Ionization (for Mass Spectrometry) |
| ETA | Emanation Thermal Analysis |
| GFCR | Gas Filter Correlation Radiometry |
| IMPEACH-MBC | Improved Performance Accordion Heteronuclear Multiple-bond Correlation |
| CSD | Crystal Size Distribution |
| IMPATT | Impact Avalanche Transit-time |
| SAM | Scanning Auger Microscopy |
| FINES | Furnace Ionization Nonthermal Excitation Spectrometry |
| MAFIAS | Micro Ammonia Flow Injection Analysis System |
| KBES | Knowledge-based Expert System |