| Acronym | Meaning |
| PCILO | Perturbative Configuration Interaction Using Localized Orbitals |
| LAXS | Large-angle X-ray Scattering |
| PSSCF | Pseudo SCF |
| ISES | International Solar Energy Society |
| MP4(DQ) | Moeller-Plesset Perturbation Treatment To Fourth Order In The Space Of Double And Quadruple Substitutions |
| BEBO | Bond Energy Bond Order Method |
| OCBSE | Orthogonality Constrained Basis Set Expansion Prodedure |
| RRGM | Recursive Residue Generation Method |
| CORDIS | Community Research And Development Information Service |
| GOEZS | Global Ocean Euphotic Zone Study |