| Acronym | Meaning |
| NLET | National Laboratory For Environmental Testing |
| PPHM | Parts Per Hundred Million |
| AIRS | Atmospheric Information Retrieval System |
| CAG | Continental-arc Granitoids |
| MLPCA | Maximum Likelihood Principal Component Analysis |
| IIRS | Ion Impact Radiation Spectroscopy |
| HSOS-CCSD | High-spin Open-shell-CCSD |
| ISI | Institute For Scientific Information |
| MRLCC | Multireference Linearized Coupled Cluster |
| BSS | Backscattering Spectroscopy |