| Acronym | Meaning |
| ICR | Ion Cyclotron Resonance (mass Spectrometry) |
| MRCEPA | Multireference Coupled-electron-pair Approxn. |
| HDC | High Dose Chemotherapy |
| NCSCI | National Center For Standards And Certification Information |
| ECCI | Electron Capture Chemical Ionization |
| IAC | Immunoaffinity Chromatography |
| EFGF | Electric Field Gradient Focusing |
| HCC | Hepatocellular Carcinoma |
| SDGUGA | Shape-driven Graphical Unitary Group Approach |
| DR-RWA | Dominant Resonance-rotating Wave Approximation |