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

safeguards

Energy; Nuclear energy

The use of material control and accounting programs to verify that all special nuclear material is properly controlled and accounted for, as well as the physical protection (or physical security) ...

safe shutdown earthquake

Energy; Nuclear energy

Is the maximum earthquake potential for which certain structures, systems, and components, important to safety, are designed to sustain and remain functional.

rubblization

Energy; Nuclear energy

A decommissioning technique involving demolition and burial of formerly operating nuclear facilities. All equipment from buildings is removed and the surfaces are decontaminated. Above-grade ...

risk-informed decisionmaking

Energy; Nuclear energy

An approach to regulatory decisionmaking, in which insights from probabilistic risk assessment are considered with other engineering insights.

risk-informed regulation

Energy; Nuclear energy

An approach to regulation taken by the NRC, which incorporates an assessment of safety significance or relative risk. This approach ensures that the regulatory burden imposed by an individual ...

risk-significant

Energy; Nuclear energy

Risk-significant can refer to a facility’s system, structure, component, or accident sequence that exceeds a predetermined limit for contributing to the risk associated with the facility. The term ...

roentgen (R)

Energy; Nuclear energy

A unit of exposure to ionizing radiation. It is the amount of gamma or x-rays required to produce ions resulting in a charge of 0. 000258 coulombs/kilogram of air under standard conditions. Named ...