| Acronym | Meaning |
| EPA | Electron Population Analysis |
| PIVCDW | Phase Integral Variational Continuum Distorted Wave |
| QPEN | Quantum-mech. Potential (based On Interactios Of) Electrons (and) Nuclei |
| CFM | Charge-fluctuation Model |
| SSIS | Scanning Surface Inspection System |
| QED | Quantum Electrodynamics |
| TBNEM | Tight-binding Nearly Free Electron Model |
| L-CPMET | Linearized Coupled-pair Many-electron Theory |
| MWP | Mixed Waste Paper |
| SPEM | Scanning Photoemission Microscopy |