| Acronym | Meaning |
 | HPCA | Hierarchical Principal Component Analysis |
 | CAS-CI | Complete Active Space-configuration Interaction |
 | MSEL | Materials Science And Engineering Laboratory |
 | ASTRA | Alliance For Science And Technology Research In America |
 | CF | Cystic Fibrosis |
 | ARDS | Airborne Research Data System |
 | RBCOD | Readily Biodegradable Chemical Oxygen Demand |
 | LSDA | Local Spin Density Approximation |
 | GMO | Group Molecular Orbital |
 | LST | Local Solar Time |