| Acronym | Meaning |
| BBK | Brauner-Briggs-Klar (wave Function In Atom-electron Scattering) |
| ECI | Size-extensive CI |
| MODESC | Magnetooptically Detected Spin Conversion Spectroscopy |
| GLT | Geochemical Logging Tool |
| CFCC | Continuous Fiber Ceramic Composite |
| XMCD | X-ray Magnetic Circular Dichroism |
| ICP-MS | Inductively Coupled Plasma Mass Spectrometry |
| DTA | Direct Toxicity Assessment (of Wastewater Discharges) |
| ECP | Exchange Core Polarization |
| HFA | Humic And Fulvic Acids |