| Acronym | Meaning |
| ISAS | Japanese Institute Of Space And Astronomical Science |
| RPO | Resonant Periodic Orbit (on Potential Energy Surface In At. Or Mol. Scattering) |
| RDEQ | Reduced Dimensionality Exact Quantum (method For Reactive Scattering) |
| PNRA | Photon-tagged Nuclear Reaction Analysis |
| BTV | Breakthrough Volume (sorption Capacity Measurement) |
| SOF | Soluble Organic Fraction |
| ACC | American College Of Cardiology |
| SWAP | Surface Water Acidification Project |
| EXEFS | Extended X-ray Emission Fine Structure |
| CBS-FCI | Complete Basis Set-full Configuration Interaction |