| Acronym | Meaning |
| AEC | Atomic Energy Commission |
| EHP | Electron-hole Potential Method |
| DNMR | Dynamic Nuclear Magnetic Resonance |
| CTCF | Collisional Time Correlation Function (in Quantum Calcns. On Mol. Inelastic Collisions) |
| STO NG | (n = A Number) Slater Type Orbitals Obtained By Using N Gaussian Functions |
| SES | Surface Electronic State |
| MDQ | Minimum Detectable Quantity |
| HPCCP | High Performance Computing And Communications Program |
| RHFR | Restricted Hartree-Fock-Roothaan |
| NVFEL | National Vehicle And Fuel Emissions Laboratory |