| Acronym | Meaning |
| HCCO | Heavy Catalytic Cycle Oil |
| SPDM | Single-particle Density Matrix |
| ERCS | Elastic Recoil Coincidence Spectroscopy |
| IBARE | Ion Beam Assisted Radical Etching |
| NHFPT | Nonorthogonal Hartree-Fock Perturbation Theory |
| EBS | Electron Backscattering |
| PBMS | Performance-based Measuring System |
| TALIF | Two-photon Absorption Laser Induced Fluorescence |
| MSWI | Municipal Solid Waste Incinerator(s) |
| OSRSCF | Open-shell Restricted SCF |