| Acronym | Meaning |
| UNIDO | United Nations Industrial Development Organization |
| EPCE-F2(SIGM | Effective Pair Correlation Energy Method With The Factor-two (f2) Approximation For Sigma-electron Systems |
| PGO | Phantom Group Orbital |
| MRT | Mean Residence Time |
| WPCP | Water Pollution Control Plant |
| LOF | Lack Of Fit |
| WWCOT | Whisker Wall Coated Open Tubular Column |
| DLL | Dynamic Link Library |
| CHORTLE | Carbon-hydrogen Correlation From One-dimensional Polarization-transfer Spectra By Least-squares Analysis |
| AQM | Acenaphthenequinone Monoxime |