| Acronym | Meaning |
| NPAH | Nitro-polycyclic Aromatic Hydrocarbon |
| ROA | Raman Optical Activity |
| SC-SI | Semiclassical State Interaction (method For Solving Schroedinger Equation) |
| ESWTR | Enhanced Surface Water Treatment Rule |
| CINDORU | Cluster INDO Restricted-unrestricted |
| NTIS | National Technical Information Service |
| TPSR | Temp.-programmed Surface Reaction |
| DAFLOW | Diffusion Analogy Flow [model] |
| CARS | Coherent Anti-Stokes Raman Spectroscopy |
| COSMIC | Computer Oriented Structure Models From Inadequate Derived Coupling Data |