| Acronym | Meaning |
| SPMN | Soil Potentially Mineralizable Nitrogen |
| NOHS | National Occupational Hazard Survey |
| PETN | Pentaerythritol Tetranitrate |
| MULAP | Mulliken Approximation |
| SCCT | Semiclassical Complex Trajectory |
| MGMS | Molecular Graphics And Modelling Society |
| PROACT | Proactive Respirometric Operational And Control Technology |
| UCHF | Uncoupled Hartree-Fock |
| LEES | Local Excess-electron State (a Mol.-crystal Wave Function) |
| AFLP | Amplified Fragment Length Polymorphism |