| Acronym | Meaning |
| DRP | Dense Random Packing |
| LDPO | Linearly Driven Parametric Oscillator (model In Energy Transfer Calcns. In Mol. Collisions) |
| UHFQ | Unrestricted Hartree-Fock With Quartet Annihilation |
| BOM | Bond Orbital Model |
| MLIS | Molecular Laser Isotope Separation |
| BVC | British Veterinary Codex |
| NRRA | Nuclear Resonant Reaction Analysis |
| CAFB | Chemically Active Fluidized Bed |
| LEACHMP | Leaching Estimation And Chemistry Model-pesticides |
| EDTGA | Electrodynamic Thermogravimetric Analysis |