| Acronym | Meaning |
| NAREL | National Air And Radiation Environmental Laboratory |
| APO | Aq.-phase Oxidn. |
| ERFEN | Estudio Regional Del Fenomeno El Nino |
| TEAMS | Trace Element Accelerator Mass Spectrometry |
| SEAC | Surface-enhanced Affinity Capture |
| GCEMC | Grand Canonical Ensemble Monte Carlo |
| NSS | National Stream Survey (USA) |
| LQG | Loop Quantum Gravity |
| PTV | Programmed Temp. Vaporizing |
| NRAO | National Radio Astronomy Observatory |