| Acronym | Meaning |
| IISCI | Initial Ionic State Comfiguration Interaction |
| GIAO | Gage Invariant Atomic Orbital |
| DBRTS | Double-barrier Resonant Tunneling Structure |
| IAM | Immobilized Artificial Membrane |
| PPLV | Preliminary Pollutant Limit Value |
| SAES | Scanning Auger Electron Spectroscopy |
| EGF | Epidermal Growth Factor |
| TCA | Turbulent Contact Absorber |
| GRIDS | Geographic Resources Information And Data System |
| SCCR | Self-consistent Current Relaxation (in Electronic Dynamic Structure Factor Calcns.) |