| Acronym | Meaning |
| SPG | Shirasu Porous Glass |
| CCGT | Combined Cycle Gas Turbine |
| WQA | Water Quality Association |
| BIA | Biospecific Interaction Analysis |
| IDA | Isotope Dilution Analysis |
| DSPES | Depth-selective Photoelectron Spectroscopy |
| TCDE | Two-center Dirac Equation |
| EEA | European Environment Agency |
| HSCIE | High-temperature Solid-state Catalytic Isotope Exchange |
| TVA | Tennessee Valley Authority |