| Acronym | Meaning |
| GDR | German Democratic Republic |
| IDTIMS | Isotope Diln. Thermal Ionization Mass Spectrometry |
| SIDMS | Speciated Isotope Dilution Mass Spectrometry |
| GIP | Gastric Inhibitory Polypeptide |
| ISAST | Irreversible Sorption Affected Solute Transport [model] |
| WATOX | Western Atlantic Ocean Experiment |
| BESB | Biological Environmental Specimen Banking |
| HAN | Hydroxylamine Nitrate (salt) |
| VDZ | Valence Double Zeta |
| MEMTB | Many-electron Mol. Tight-binding (for Electronic Structures) |