| Acronym | Meaning |
| IECSC | Inventory Of Existing Chemical Substance In China |
| EAZO | Energetically Active Zones Of The Ocean |
| PPN | Peroxypropionyl Nitrate |
| OSRD | Office Of Scientific Research And Development |
| ANA | Antinuclear Antibodies |
| LDPO | Linearly Driven Parametric Oscillator (model In Energy Transfer Calcns. In Mol. Collisions) |
| FGAN | Fertilizer Grade Ammonium Nitrate |
| GCM | Global Climate Model |
| HPTLC | High-Performance Thin-Layer Chromatography |
| PARISS | Prism And Reflector Imaging Spectroscopy System |