| Acronym | Meaning |
| GSD | Geometric Std. Deviation |
| EGFR | Epidermal Growth Factor Receptor |
| IAES | Ion Excited Auger Electron Spectroscopy |
| SE | Symmetric Eikonal (approxn. In Calcns. On Ion Scattering) |
| SAI | Simplified Ab Initio Method |
| LAS | Linear Alkylbenzene Sulfonates (anionic Surfactants) |
| NIRS | National Inorganics And Radionuclides Survey |
| CD ROM | Compact Disk Read Only Memory |
| ASA | American Society Of Agronomy |
| PCFB | Pressurized Circulating Fluidized Bed (gasification Apparatus) |