| Acronym | Meaning |
| OPGF | One-particle Green Function |
| NPRA | National Petroleum Refiners Association |
| HRAP | High Rate Algal Pond |
| ARIES | Angle Resolved Ion Electron Spectroscopy |
| BEPR | Biological Excess Phosphorus Removal |
| CDA | Cylindrical Deflector Analyzer |
| ESA | Energy Sudden Approxn. (in Calcns. On Reactive Scattering) |
| SINGER | System-wide Information Network For Genetic Resources |
| RBP | Retinol Binding Protein |
| MORT | Molecular Orbital Resonance Theory |