| Acronym | Meaning |
 | HALS | Hindered-amine Light Stabilizers |
| ORPI | Off-resonance Proton Irradiation |
| LEPC | Local Emergency Planning Committee |
| BIAS | Bismuth-active Substance (in Surfactant Concn. Detn. In Environmental Tests) |
| CRU | Constitutional Repeating Unit |
| ECS | Electro-Chemical Society |
| RAILE | Retro-Assisted Imaging Laser Experiment |
| MESI | Membrane Extn. With A Sorbent Interface |
| SARIS | Scattering And Recoiling Imaging Spectrometry |
| SDD | Silicon Drift Detector |
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