| Acronym | Meaning |
| NOE | Nuclear Overhauser Effect (NMR) |
| PDB | Protein Data Bank |
| QCP | Quantized Classical Path (method For Calcg. Quantum-mech. Rate Consts.) |
| RBSN | Reaction-bonded Silicon Nitride |
| ELDOR | Electron Double Resonance |
| IRC | Information Resource Center |
| SC-FLAPW | Self-consistent Full-potential Linearized-augmented-plane-wave |
| GWM | Groundwater Monitoring |
| CFM | Central Field Model |
| RQ | Respiratory Quotient |