| Acronym | Meaning |
| CTEQ | The Coordinated Theoretical-Experimental Project On QCD |
| PCI | Positive-ion Chemical Ionization (mass Spectrometry) |
| ECG | Electrochemical Grinding |
| CESE | Complex Eigenvalue Shroedinger Equation |
| LSDFT | Local Spin Density Functional Theory |
| IUAM | Independent United Atom Model (in Positron Scattering By Mols.) |
| MCDF-EAL | Multiconfiguration Dirac-Fock-extended Average Level (for Energy Levels And Wave Functions Calcn. For Atoms) |
| RDE | Rotating Disk Electrode |
| OHFS | Optimized Hartree-Fock-Slater |
| RNN | Recurrent Neural Network |