| Acronym | Meaning |
| SECWA | State Energy Commission Of Western Australia |
| TPPE | Two-photon Photoemission |
| IRS | Internal Reflection Spectroscopy |
| MBBR | Moving Bed Biofilm Reactor |
| SHM | Screened Hydrogenic Model (for Electronic Structure In Plasmas) |
| ACP | Air Carcinogen Policy |
| DGE | Differential Gene Expression |
| SPB | Strong-potential Born (approxn. For At. Collision Calcns.) |
| ICSTI | International Center For Scientific And Technical Information (Moscow |
| SCC | Superposition Of Correlated Configurations (variational Method) |