| Acronym | Meaning |
| PIA | Peaking Impulse Approxn. (for Electron-exchange Collisions) |
| FRDM | Finite-Range Droplet Model |
| ISRS | Impulsive Stimulated Raman Scattering |
| CFCM | Continuous Feed Completely Mixed Reactor System |
| APG | Alkyl Polyglycosidepar |
| SANS | Small-angle Neutron Scattering |
| HRBS | High Resolution Rutherford Backscattering |
| IBI | Index Of Biotic Integritypar |
| CAC | Continuous Annular Chromatograph |
| IABO | International Association Of Biological Oceanography (ICSU) |