| Acronym | Meaning |
| NMIJ | National Metrology Institute Of Japan |
| ID | Isotope Dilution |
| AQMD | Air Quality Management District |
| CM | Configuration Mixing |
| MTOC | Microtubule-organizing Center |
| MBGF | Many-body Green Function |
| SPALEED | Spot Profile Analysis Low Energy Electron Diffraction |
| PORG | Photochemical Oxidants Review Group |
| EMF | Electromobility Focusing |
| LIPOD | Laser Induced Photochemical Oxidative Destruction Process |