| Acronym | Meaning |
| GHF | Generalized Hartree-Fock Method |
| CATS | Corrective Action Tracking System |
| IEH | Intermediate Effective Hamiltonian |
| DWPI | Derwent World Patents Index |
| LDTOF | Laser-Desorption Time-Of-Flight Mass Spectrometry |
| ESIMS | Electrospray Ionization Mass Spectrometry |
| EBW | Electron Beam Welding |
| EMG | Exponentially Modified Gaussian |
| EGCR | Experimental Gas-cooled Reactor |
| RSR | Rapid Solidification Rate |