| Acronym | Meaning |
| HFG | Hartree-Fock-Gopinathan (quantum Theory Or Wave Function) |
| NTU | Number Of Transfer Units (in Packed Tower Aeration System) |
| SMPR | Specific Methane Production Rate |
| ASTER | Assessment Tools For The Evaluation Of Risk |
| CTIOSA | Charge-transfer Infinite Order Sudden Approxn. |
| ADCL | Accredited Dosimetry Calibration Laboratory |
| MEG | Mixed Exponentially Generated (wave Function) |
| EBV | Epstein-Barr Virus |
| FTNMR | Fourier-transform Nuclear Magnetic Resonance |
| EMAP | Energy-modified Adiabatic Phase (matrix Method) |