| Acronym | Meaning |
| TPPM | Two-pulse Phase Modulation |
| GS | Gelius-Siegbahn (MO Approxn.) |
| ENCS | Existing And New Chemical Substances |
| TPSR | Temp.-programmed Surface Reaction |
| BLDSC | British Library Document Supply Centre |
| EDX | Energy Dispersive X-ray |
| SIMPLISMA | Simple-to-use Interactive Self-modeling Mixture Analysis |
| JICST | Japanese Information Center Of Science And Technology |
| SBCPA | Single-bond Coherent Potential Approximation |
| ECGF | Endothelial Cell Growth Factor |