| Acronym | Meaning |
| SRXPS | Spin-resolved X-ray Photoelectron Spectroscopy |
| ARAS | Atomic Resonance Absorption Spectroscopy |
| GACT | Generally Available Control Technology |
| SAM1 | Semi-ab Initio Model1 |
| BATS | Biosphere-Atmosphere Transfer Scheme |
| SE | Standard Error |
| RIS | Rotational Isomeric State |
| AU | Astronomical Unit |
| HART | Highway Addressable Remote Transducer [Rosemount |
| SAGA | Soviet American Gas And Aerosol Experiment |