| Acronym | Meaning |
| INPADOC | International Patent Documentation Center |
| PCFB | Pressurized Circulating Fluidized Bed (gasification Apparatus) |
| CIS | Commonwealth Of Independent States |
| SPHF | Spin-polarized Hartree-Fock |
| GOCE | Gaussian Overlap Potential With Const. Well Depth |
| CDFT | Current (as In C.d.) Density Functional Theory |
| GDWB | Generalized Distorted-wave Born (approxn. Or Theory) |
| ITRS | International Technology Roadmap For Semiconductors |
| CASSCF-CCI | Complete Active Space Self-consistent Field-contracted CI |
| HAP | Hazardous Air Pollutants |