| Acronym | Meaning |
| BPC | Blood Platelet Count |
| RDGTO | (back-)rotated Distributed Gaussian-type Orbital |
| HYTEC | Hydrogen Thermoelectrochemical Converter (regenerative Fuel Cell) |
| TST-CEQ | Transition State Theory-collinear Exact Quantum (method For Reactive Collisions) |
| BRNO | Best Radial Natural Orbital |
| SS | Sewage Sludge |
| RCTM | Regional Chemical Transport Model |
| SPLP | Synthetic Pptn. Leaching Procedure |
| ECWR | Electron Cyclotron Wave Resonance |
| RDF | Restricted Dirac-Fock (quantum Calcn. Method) |