| Acronym | Meaning |
| EARTOF | Energy And Angle Refocusing Time-of-flight Mass Spectrometry |
| ARXPS | Angular Resolved X-ray Photoelectron Spectroscopy |
| NCDGF | Noncalcareous Dark Grey Floodplain |
| TRS | Total Reduced Sulfur |
| PHEMT | Pseudomorphic High Electron Mobility Transistor |
| ALS | Amyotrophic Lateral Sclerosis |
| SBF | Simulated Body Fluid |
| LEDO | Limited Expansion Of Diatomic Overlap |
| CESARS | Chemical Evaluation Search And Retrieval System |
| FMTBA | Fitted Modified Tight-binding Approxn. |