| Acronym | Meaning |
| ECSC | European Coal And Steel Community |
| VGAAS | Vapor Generation Atomic Absorption Spectrometry |
| STS | Surface Tunnelling Spectroscopy |
| IAHE | International Association For Hydrogen Energy |
| WQS | Water Quality Standard |
| SECM | Scanning Electrochemical Microscopy |
| SORI | Sustained Off-resonance Irradn. |
| TIU | Technical Information Unit |
| DLTS | Deep-level Transient Spectroscopy |
| ISAW | Interactive Self-avoiding Walk [modeling] |