Nuclear energy

Nuclear energy

Nuclear binding energy is the energy required to split a nucleus of an atom into its component parts. The component parts are neutrons and protons, which are collectively called nucleons. The binding energy of nuclei is always a positive number, since all nuclei require net energy to separate them into individual protons and neutrons.

Industry: Energy

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Nuclear energy

unrestricted area

Energy; Nuclear energy

The area outside the owner-controlled portion of a nuclear facility (usually the site boundary). An area in which a person could not be exposed to radiation levels in excess of 2 millirems in any one ...

unnecessary regulatory burden

Energy; Nuclear energy

Regulatory criteria that go beyond the levels that would be reasonably expected to be imposed on licensees given that regulations apply to conditions that incorporate normal operation and ...

uncertainty range

Energy; Nuclear energy

Defines an interval within which a numerical result is expected to lie within a specified level of confidence. The interval often used is the 5-95 percentile of the distribution reporting the ...

ultraviolet

Energy; Nuclear energy

Electromagnetic radiation of a wavelength between the shortest visible violet and low energy x-rays.

parts per million (PPM)

Energy; Nuclear energy

Parts (molecules) of a substance contained in a million parts of another substance (e.g., water).

parent

Energy; Nuclear energy

A radionuclide that upon radioactive decay or disintegration yields a specific nuclide (the daughter).

outage

Energy; Nuclear energy

The period during which a generating unit, transmission line, or other facility is out of service. Outages may be forced or scheduled, and full or partial.