Nuclear energy and radiation terminology · MLC-0119
Nuclear energy and radiation terms: E (28)
- Early site permitA permit granted by the NRC to approve one or more proposed sites for a nuclear power facility, independent...
- Earthquake, operating basisAn earthquake that could be expected to affect the site of a nuclear reactor, but for which the plant's power...
- Economic Simplified Boiling-Water ReactorA 4,500-MWtnuclear reactor design, which has passive safety features and uses natural circulation (with no...
- Effective Dose EquivalentThe sum of the products of the dose equivalent to the organ or tissue (H_T) and the weighting factors (W_T)...
- Effective half-lifeThe time required for the activity of a particular radioisotope deposited in a living organism, such as a...
- Efficiency, plantThe percentage of the total energy content of a power plant's fuel that is converted into electricity. The...
- Electric power gridA system of synchronized power providers and consumers, connected by transmission and distribution lines and...
- Electric utilityA corporation, agency, authority, person, or other legal entity that owns and/or operates facilities within...
- Electrical generatorAn electromagnetic device that converts mechanical (rotational) energy into electrical energy. Most large...
- Electromagnetic radiationA traveling wave motion resulting from changing electric or magnetic fields. Familiar electromagnetic...
- ElectronAn elementary particle with a negative charge and a mass 1/1837 that of a proton. Electrons surround the...
- ElementOne of the 103 known chemical substances that cannot be broken down further without changing its chemical...
- Emergency classificationsSets of plant conditions that indicate various levels of risk to the public and that might require response...
- Emergency core cooling systemsReactor system components (pumps, valves, heat exchangers, tanks, and piping) that are specifically designed...
- Emergency feedwaterAnother name for auxiliary feedwater.
- Emergency Notification SystemA telephone system used by the NRC to receive notifications of significant nuclear events with an actual or...
- Emergency preparednessThe programs, plans, training, exercises, and resources used to prepare for and rapidly identify, evaluate...
- Energy Information AdministrationThe agency, within the U.S. Department of Energy, that provides policy-neutral statistical data, forecasts...
- ENTOMBA method of decommissioning, in which radioactive contaminants are encased in a structurally long-lived...
- Environmental qualificationA process for ensuring that equipment will be capable of withstanding the ambient conditions that could exist...
- EpistemicA type of uncertainty that is due to lack of knowledge.
- Event Notification SystemAn automated event tracking system used internally by the NRC's Headquarters Operations Center to track...
- Event treeAn event tree graphically represents the various accident scenarios that can occur as a result of an...
- Exclusion areaThe area surrounding the reactor where the reactor licensee has the authority to determine all activities...
- ExcursionA sudden, very rapid rise in the power level of a reactor caused by supercriticality. Excursions are usually...
- Exposure (radiation)Absorption of ionizing radiation or the amount of a hazardous substance that has been ingested, inhaled, or...
- External radiationExposure to ionizing radiation when the radiation source is located outside the body.
- ExtremitiesThe hands, forearms, elbows, feet, knees, leg below the knees, and ankles. Permissible radiation exposures in...
28 of 555 terms in Nuclear energy and radiation terminology (MLC-0119). Request the full dataset.