| Acronym | Meaning |
| HSC | Hepatic Stellate Cells |
| GTE | Global Tropospheric Experiment |
| CAS-SCF | Complete Active Space SCF (a CI-type Method) |
| HPIC | High-performance Ion Chromatography |
| CID | Configuration Interaction With Double Substitution |
| SCF MO | Self-consistent Field Molecular Orbital |
| NADAP | National Atmospheric Deposition Assessment Program |
| LASA | Lidar Atmospheric Sounder And Altimeter |
| PPES | Photopyroelectric Spectroscopy |
| BSSEC | Basis-set Superposition Error Correction |