Mindblown: a blog about philosophy.
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Natural radioactivity
Radioactivity emitted by elements in the environment, such as radon in soil. It may include alpha particles, beta particles, or gamma rays.
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Induced radioactivity
Temporary radioactivity of a substance that has been exposed to a radioactive element.
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Artificial radioactivity
Radioactivity resulting from bombardment of a substance with high-energy particles in a cyclotron, betatron, or other apparatus.
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Radioactive patient
An individual treated or accidentally contaminated with radioactive materials. The patient should be told how long to avoid close contact with children and pregnant women.
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Radiculoneuritis
Inflammation of the spinal nerve roots.
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Radiculomeningomyelitis
Inflammation of the nerve roots, meninges, and spinal cord.
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Radiculoganglionitis
Inflammation of the posterior spinal roots and their ganglia.
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Alcohol radical
The portion of an alcohol molecule left when the hydrogen of the OH-group is removed.
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Acid radical
The electronegative portion of a molecule when the acid hydrogen is removed.
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Infrared radiator
A device for transmitting infrared rays.
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