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.

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Nuclear energy

Radiological half-life

Energy; Nuclear energy

The time required for half the atoms of a particular radioisotope to decay into another isotope. A specific half-life is a characteristic property of each radioisotope. Measured half-lives range from ...

Radon (RN)

Energy; Nuclear energy

A radioactive element that is one of the heaviest gases known. Its atomic number is 86. It is a daughter of radium.

Radium (RA)

Energy; Nuclear energy

A radioactive metallic element with atomic number 88. As found in nature, the most common isotope has a mass number of 226. It occurs in minute quantities associated with uranium in pitchblende, ...

Radiosensitivity

Energy; Nuclear energy

The relative susceptibility of cells, tissues, organs, organisms, or other substances to the injurious action of radiation.

Radiotherapy

Energy; Nuclear energy

The therapeutic use of ionising radiation to treat disease in patients. Although most radiotherapy procedures are intended to kill cancerous tissue or reduce the size of a tumor, therapeutic doses ...

Radiological survey

Energy; Nuclear energy

The evaluation of the radiation hazards accompanying the production, use, or existence of radioactive materials under a specific set of conditions. Such evaluation customarily includes a physical ...

Radiological sabotage

Energy; Nuclear energy

Any deliberate act directed against a plant or transport in which an activity licenced pursuant to 10 CFR Part 73 of NRC's regulations is conducted or against a component of such a plant or transport ...