| Acronym | Meaning |
| PUHFS | Projected Unrestricted-Hartree-Fock-Slater |
| GIS | Gas Insulated Switchgear |
| ISVS | In Situ Vapor Stripping |
| TDDFT | Time-dependent Density-functional Theory |
| SAFT-VR | Statistical Assocg. Fluid Theory For Chain Mols. With Interaction Potentials Of Variable Range |
| LAXS | Large-angle X-ray Scattering |
| LDA | Linear Diode Array |
| IRPTC | International Register Of Potentially Toxic Chemicals |
| NMMAPS II | The National Morbidity |
| TF/SC | Trickling Filter/Solids Contact Process (for Wastewater Treatment) |