| Acronym | Meaning |
| NTIAC | Nondestructive Testing Information Analysis Center |
| ASEHF | Approximate Spin-extended Hartree-Fock |
| ATR-FTIR | Attenuated Total Reflection-Fourier-transform IR Spectroscopy |
| CCC | Correlated Coupled Cluster (quantum Calcn. Method) |
| ACCCI | American Coke And Coal Chemicals Institute |
| FPCLM | Flat Plate Contained Liquid Membrane |
| PAC | Polycyclic Aromatic Compound |
| DWPO | Distorted Wave Polarized Orbital |
| CCMC-T2 | Coupled-cluster Multiconfigurational (double-excitation Method With Cluster Operator Approximated By T2) |
| CFBC | Circulating Fluidized Bed Combustion |