| Acronym | Meaning |
| SIA | Self-interstitial Atom |
| HELC | High Efficiency Liquid Chromatography (Russian |
| JCPDS | Joint Committee On Powder Diffraction Standards |
| DWIA | Distorted-wave Impulse Approximation |
| CSWRCB | California State Water Resources Control Board |
| CMC | Critical Micelle Concentration |
| SPEMC-SCF | Selected Paired Excitational Expansion Multiconfiguration-SCF |
| PRISM | Power Reactor Innovative Small Module |
| PEUF | Polyelectrolyte Enhanced Ultrafiltration |
| FOA | Frozen Orbital Approximation |