| Acronym | Meaning |
| RIXS | Resonant Inelastic X-ray Scattering |
| FSG | Fluorosilicate Glass |
| LPA | Local Plasma Approxn. (in Calcns. Of Stopping Powers For Ions By Films) |
| NSE | Nonlinear Schroedinger Equation |
| TCA | Traveling-cluster Approximation (a Generalization Of CPA For Electronic-structure Of Alloys) |
| TDCC | Time-dependent Close-coupling |
| PBIRG | Pharmaceutical Business Intelligence And Research Gro |
| HCL | Hollow Cathode Lamp |
| TPH | Total Petroleum Hydrocarbons |
| SAR | Sodium Absorption Ratio |