| Acronym | Meaning |
| BNF | Biological Nitrogen Fixation |
| PSMS | Plasma Source Mass Spectrometry |
| CRT | Continuously Regeneration Trap |
| SHEBA | Surface Heat Budget Of Arctic Ocean |
| PKC | Protein Kinase C |
| RGA | Residual Gas Analysis |
| CAS-SCF | Complete Active Space SCF (a CI-type Method) |
| CASE | Computer Assisted Structure Elucidation |
| ICSU | International Council Of Scientific Unions |
| FMO | Frontier Molecular Orbital |