| Acronym | Meaning |
| AIPM | Analytic Independent-particle Model (in Electron-scattering) |
| HSF | Hiller-Sucher-Feinberg (equation For Calcn. Of Spin Densities And Charge Densities In Mols.) |
| LCOAO | Linear Combination Of Orthogonal Atomic Orbitals |
| DIBA | Diisobutyl Adipate |
| GITXRF | Glancing Incidence And Takeoff X-ray Fluorescence |
| BTEX | Benzene, Toluene, Ethyl Benzene, And Xylene |
| NLPS | Nonreactive |
| DTFBR | Draft Tube Fluidized Bed Reactor |
| SID | Surface Induced Dissociation |
| COSCAT | Coherent Scatter System |