| Acronym | Meaning |
 | RRPT | Registered Radiation Protection Technologist |
 | DCBX | Distorted Coulomb-Born Exchange Approxn. |
 | JAXA | Japan Aerospace Exploration Agency |
 | SSRTF | Solid Surface Room Temperature Fluorescence |
 | MDPE | Medium-density Polyethylene |
 | SAAO | Symmetry-adapted Atomic Orbital |
 | ALN | Adaptive Learning Network |
 | FRDS | Federal Reporting Data System |
 | RTIL | Room-temperature Ionic Liquid |
 | SSDW | Static-static Distorted-wave (method) |