Nuclear energy and radiation terminology · MLC-0119
Nuclear energy and radiation terms: U (14)
- UltravioletElectromagnetic radiation of a wavelength between the shortest visible violet and low energy x-rays.
- UncertaintyCharacterized by multiple possible values of inputs and outputs, on which statistics may be created.
- Uncertainty rangeDefines an interval within which a numerical result is expected to lie within a specified level of...
- Unnecessary regulatory burdenRegulatory criteria that go beyond the levels that would be reasonably expected to be imposed on licensees...
- Unrestricted areaThe area outside the owner-controlled portion of a nuclear facility (usually the site boundary). An area in...
- Unstable isotopeA radioactive isotope (see also stable isotope).
- Unwanted Radioactive Material (Orphan Sources)refers to sealed sources of radioactive material contained in a small volume (but not radioactively...
- UraniumA radioactive element with the atomic number 92 and, as found in natural ores, an atomic weight of...
- Uranium enrichment processThe process of increasing the percentage of uranium-235 (U-235) from 0.7 percent in natural uranium to about...
- Uranium fuel fabrication facilityA facility that converts enriched uranium hexafluoride (UF6) into fuel for commercial light-water power...
- Uranium hexafluoride production facility (or uranium conversion facility)A facility that receives natural uranium in the form of ore concentrate (known as “yellowcake”) and converts...
- U.S. Department of EnergyThe Federal agency established by Congress to advance the national, economic, and energy security of the...
- U.S. Department of Homeland SecurityThe Federal agency responsible for leading the unified national effort to secure the U.S. against those who...
- U.S. Environmental Protection AgencyThe Federal agency responsible for protecting human health and safeguarding the environment. EPA leads the...
14 of 555 terms in Nuclear energy and radiation terminology (MLC-0119). Request the full dataset.