| Acronym | Meaning |
| TAMS | Tandem Accelerator Mass Spectrometry |
| MEHT | Modified Extended Hueckel Theory |
| MESI | Membrane Extn. With A Sorbent Interface |
| ZID | Zone Of Initial Dilution |
| SPMN | Soil Potentially Mineralizable Nitrogen |
| ISOF | Insoluble Org. Fraction (e.g. |
| DPSV | Differential Pulse Stripping Voltammetry |
| SET | Single Electron Transfer |
| HHS | Health And Human Services Department |
| MCPN | Matrix Coherent Potential Approximation |