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

Radiation shielding

Energy; Nuclear energy

Reduction of radiation by interposing a shield of absorbing material between any radioactive source and a person, work area, or radiation-sensitive device.

Radiation detection instrument

Energy; Nuclear energy

A device that detects and displays the characteristics of ionising radiation.

Radiation area

Energy; Nuclear energy

Any area with radiation levels greater than 5 millirems (0. 05 millisievert) in one hour at 30 centimetres from the source or from any surface through which the radiation penetrates.

Radiation absorbed dose (Rad)

Energy; Nuclear energy

One of the two units used to measure the amount of radiation absorbed by an object or person, known as the "absorbed dose," which reflects the amount of energy that radioactive sources deposit in ...

Quantum theory

Energy; Nuclear energy

The concept that energy is radiated intermittently in units of definite magnitude, called quanta, and absorbed in a like manner.

Quality factor

Energy; Nuclear energy

The factor by which the absorbed dose (rad or gray) is to be multiplied to obtain a quantity that expresses, on a common scale for all ionising radiation, the biological damage (rem or sievert) to an ...

Safeguards

Energy; Nuclear energy

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