| Acronym | Meaning |
| PIMC | Path-integral Monte-Carlo |
| LSR | Lanthanide Shift Reagent |
| WATR | Water Attenuation By Transverse Relaxation |
| CCA | Copper Chromium Arsenic |
| IOC | Intergovernmental Oceanographic Commission |
| MBIE | Mixed-bed Ion Exchange |
| TSNIGRI | Research Center Of The Institute For Geol. Exploration Of Base And Precious Metals (Russia) |
| DWIOS | Distorted Wave Infinite Order Sudden Approximation |
| INID | Internationally Agreed Numbers For The Identification Of Data |
| DQ-MBPT | Double And Quadruple Excitation Diagrams In Many-body Perturbation Theory |