| Acronym | Meaning |
| CST | Capillary Suction Time (sludge Dewatering Parameter) |
| HFJ | Hartree-Fock-Jucys (in Electron-correlation Corrections Calcn.) |
| MQMAS | Multiple-quantum Magic-angle Spinning |
| TOD | Total Oxygen Demand |
| IPCC | Intergovernmental Panel On Climate Change |
| AIRS | Atmospheric Information Retrieval System |
| AMTIC | Ambient Monitoring Technology Information Center |
| SSF | Synchronous Scanning Fluorescence |
| QTL | Quantitative Trait Loci |
| ESEDD | Excited State Electron Density Differential Method |