| Acronym | Meaning |
| JI | Joint Implementation [with Regard To Greenhouse Gas Emission Redn.] |
| SRAPW | Scalar Relativistic Augmented Plane Wave |
| CIDA | Cometary Impact Dust Analyzer |
| POPW | Partially Orthogonalized Plane Wave |
| AIEE | American Institute For Electrical Engineers |
| MNDO | Modified Neglect Of Diatomic Overlap |
| POSS | Polyhedral Oligomeric Silsesquioxane |
| IDTIMS | Isotope Diln. Thermal Ionization Mass Spectrometry |
| NMMAPS II | The National Morbidity |
| EMAS | European Microbeam Analysis Society |