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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 therapy
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 ...
Unwanted radioactive materia
Energy; Nuclear energy
Sealed sources of radioactive material contained in a small volume (but not radioactively contaminated soils and bulk metals) in any one or more of the following conditions: * An uncontrolled ...
Radiation standards
Energy; Nuclear energy
Exposure limits; permissible concentrations; rules for safe handling; and regulations regarding receipt, possession, use, transportation, storage, disposal, and industrial control of radioactive ...
Radiation source
Energy; Nuclear energy
A radioactive material or byproduct that is specifically manufactured or obtained for the purpose of using the emitted radiation. Such sources are commonly used in teletherapy or industrial ...
Shallow-dose equivalent (SDE)
Energy; Nuclear energy
The external exposure dose equivalent to the skin or an extremity at a tissue depth of 0. 007 centimetres (7 mg/cm 2 ) averaged over an area of 1 square centimeter.
Shielding
Energy; Nuclear energy
Any material or obstruction that absorbs radiation and thus tends to protect personnel or materials from the effects of ionising radiation.
Scram
Energy; Nuclear energy
The sudden shutting down of a nuclear reactor, usually by rapid insertion of control rods, either automatically or manually by the reactor operator. Also known as a reactor trip, "scram" is actually ...
