| Acronym | Meaning |
| HSA | Headspace Analysis |
| NIH | National Institutes Of Health |
| CCLGO | Catalytic Cracked Light Gas Oil |
| LNO | Localized Natural Spin Orbital |
| SDSR-CI | Single And Double Excitations From Single Ref. State Function-CI Method |
| FWE | Faddeev-Watson Expansion (for T-operator In Atomic Collisions) |
| API | Air Pollution Index |
| CVFEM | Control Volume Finite Element Method |
| IIW | International Institute Of Welding |
| ESPS | Electrode-separated Piezoelectric Sensor |