| Acronym | Meaning |
| PILA | Publishers International Linking Association |
| CSDA | Continuous Slowing Down Approximation |
| IAP | Immunosuppressive Acidic Protein |
| CHC | Chlorinated Hydrocarbon |
| SCPOM | Self-consistent Projecton Operator Method |
| OAO | Orthogonalized Atomic Orbital |
| HSD | Hyperspherical Diabatic (wave Functions) |
| SAR | Synthetic Aperture Radar |
| RRGM | Recursive Residue Generation Method |
| CCSR | Calcium Carbonate Saturation Ratio |