| Acronym | Meaning |
| IAEH | International Association For Environmental Hydrology |
| NPC | Nasopharyngeal Carcinoma |
| PSI | Pollution Standard Index |
| CSI | Crystal Structure Imaging |
| GCSEL | Grating-coupled Surface-emitting Laser |
| SI | Site Investigation |
| PCMI | Pellet Cladding Mechanical Interaction |
| IU | International Unit |
| SBDD | Structure-based Drug Design |
| CSD | Controlled Spray Deposition |