| Acronym | Meaning |
| EXPRES | Expert System For Pesticide Regulatory Evaluations And Simulations |
| HSX | Helically Symmetric Experiment |
| SRIM | Selected Research In Microfiche |
| SPES | Step Potential Electrochemical Spectroscopy |
| NEOPS | North East Oxidant And Particle Study |
| PNH | Paroxysmal Nocturnal Hemoglobinuria |
| HFPT | Hartree-Fock Perturbation Theory |
| PSD | Post-source Decay |
| LIFD | Laser-induced Fluorescence Detection |
| TRDS | Text Retrieval Data System |