| Acronym | Meaning |
| ERW | Electrical Resistance Welding |
| CHES | 3-(cyclohexylamino)ethylsulfonic Acid |
| PBL | Planet Boundary Layer (in Atmospheric Chemistry And Physics) |
| SMAI | Solvated Metal Atom Impregnation |
| FHMO | Fenske-Hall MO |
| PIPECO | Photoion-photoelectron Coincidence Spectroscopy |
| TSLLE | Thermospray Liquid-liquid Extraction |
| OCOS | Orbital Charge-ordering State |
| MPE | Mean Percent Error |
| DS | Dry Solids |