| Acronym | Meaning |
| NAPBN | National Air Pollution Background Network |
| SCN | Suprachiasmatic Nucleus |
| ESWL | Extracorporeal Shockwave Lithotripsy |
| RKB | Restricted Kinetic Balance (method In Calcns. Of Wave Functions And Energies) |
| HFMD | Hellmann-Feynman Mol.-dynamics (method In Electronic Structure And Geometry Calcns.) |
| POCI | Parent Orbital Configuration Interaction |
| HEGL | High-energy Gas Laser |
| CSOM | Confocal Scanning Optical Microscopy |
| PIT | Phase Inversion Temperature |
| OIDA | Optoelectronics Industry Development Association |