| Acronym | Meaning |
| UNFCCC | United Nations Framework Convention On Climate Change |
| ASM | Acoustic Surface Measurement |
| STPD | Short Ton/day |
| ESPT | Excited-state Proton Transfer |
| GRPA | Generalized Random-phase Approximation |
| CFSS | Constant-final-state Spectroscopy |
| KPLS | Kernel Partial Least Squares |
| AAO | Acetaldehyde Oxime |
| SDO | Shielded Diatomic Orbital |
| NLTE | Non-local Thermodynamic Equilibrium |