| Acronym | Meaning |
| EGR | Exhaust Gas Recirculation |
| ESG | Electronic Specialty Gases |
| CSEM | Coherent Self-energy Method |
| TDS | Time-dependent Sudden |
| SBA | Short Bed Adsorbers |
| PAP | Prostatic Acid Phosphatase |
| AAO | Acetaldehyde Oxime |
| IVC | Inferior Vena Cava |
| THAA | Total Hydrolyzable Amino Acids |
| AME | Apparent Metabolizable Energy |