| Acronym | Meaning |
| UBT | Urea Breath Test |
| IPAN | Imaging Passive-active Neutron |
| UNECE | United Nations Economic Commission For Europe |
| SAC | Self-Aligned Contact |
| OIM | Orientation Imaging Microscopy |
| HGCU | Hot Gas Cleanup |
| TIGR | The Institute For Genomic Research |
| CARER | Center For The Advancement Of Radiation Education And Research |
| BPCC | 2,2'-bipyridinium Chlorochromate |
| QUAL2E | Enhanced Stream Water Quality Model |