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

source material

Energy; Nuclear energy

Uranium or thorium, or any combination thereof, in any physical or chemical form, or ores that contain, by weight, one-twentieth of one percent (0. 05 percent) or more of (1) uranium, (2) thorium, or ...

somatic effects of radiation

Energy; Nuclear energy

Effects of radiation limited to the exposed individual, as distinguished from genetic effects, that may also affect subsequent unexposed generations.

sievert (Sv)

Energy; Nuclear energy

The international system (SI) unit for dose equivalent equal to 1 Joule/kilogram. 1 sievert = 100 rem. Named for physicist Rolf Sievert.

severe accident

Energy; Nuclear energy

A type of accident that may challenge safety systems at a level much higher than expected.

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 centimeters (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 ionizing radiation.

airborne radioactivity area

Energy; Nuclear energy

The airborne radioactivity area is a room, enclosure, or area in which airborne radioactive materials, composed wholly or partially of licensed material, exist in concentrations that (1) exceed the ...