| Acronym | Meaning |
| LCGTO-DF | Linear Combination Of Gaussian Type Orbitals-density Functional |
| AWI | Air Water Interface |
| POM | Projection-operator Method |
| NDA | Nondestructive Assay |
| NPOX | Nonpurgeable Organic Halide |
| NASC | North American Shale Composite |
| CSIA | Compd.-specific Isotope Anal. |
| HELC | High Efficiency Liquid Chromatography (Russian |
| MBSCI | Minimum Basis Set Configuration Interaction |
| MSX | Midcourse Space Experiment |