| Acronym | Meaning |
| ENR | Epoxidized Natural Rubber |
| NPR | Net Protein Retention |
| LOCI | Luminescence Oxygen Channeling Immunoassay |
| SUP-CI | Superdirect CI |
| RUDAD | RUmen-Derived Anaerobic Digester |
| ND | Nitrification Denitrification |
| GEMS | Global Environmental Monitoring Systems |
| FEN | Free Electron Network |
| PTGF | Perturbative-type Green Function |
| PIRG | Public Interest Research Group |