| Acronym | Meaning |
| FESTEM | Field-emission Scanning Transmission Electron Microscopy |
| CFBC | Circulating Fluidized Bed Combustion |
| NCPM | Noncritical Phase-matching |
| PBO | Polarized Born-Oppenheimer |
| BOC-MP | Bond Order Conservation-morse Potential |
| EEC | European Economic Community |
| DSPES | Depth-selective Photoelectron Spectroscopy |
| MOPW | Modified Orthogonalized Plane Wave |
| BSF | Below Sea Floor |
| IPPA | Independent Pair-potential Approximation |