Charged particle

1) An atom or group of atoms that have a positive or negative electric charge due to a gain (negative charge) or loss (positive charge) of one or more electrons. Atoms with a ...

charged-particle radiation therapy

Health care; Cancer treatment

A type of external radiation therapy that uses a special machine to make invisible, high-energy particles (protons or helium ions) that kill cancer cells. This type of radiation ...

charged particle optics

Science; General science

The branch of physics concerned with the motion of charged particles under the influence of electric and magnetic fields.

positively charged particle

Health care; Genetic disorders

1) Positively charged atoms, radicals or groups of atoms which travel to the cathode or negative pole during electrolysis. 2) The ion in an electrolyzed solution that migrates to ...

corona

Environment; Radiation hazards

The outer layer of thin and extremely hot gas that surrounds the sun and other stars. It is only visible during a total eclipse of the sun.

nuclear waste

Environment; Radiation hazards

Radioactive (nuclear) pollution is a special form of physical pollution related to all major life-supporting systems – air, water and soil. It is always convenient to discuss ...

greenhouse effect

Environment; Radiation hazards

The trapping of the Sun's heat in the Earth's atmosphere. The greenhouse effect is caused by the presence of greenhouse gases in the atmosphere.

Greenhouse effect

Environment; Radiation hazards

The greenhouse effect occurs when the thermal energy reflected by the Earth to the atmosphere (from the sun) is absorbed by the greenhouse gases on it. Due to this, the radiation ...

sodium iodide (NaI) detector

Environment; Radiation hazards

A detector which combines a scintillation crystal (produces light when struck by ionizing radiation), a photomultiplier tube, and associated electronic circuits for counting light ...

nuclide

Environment; Radiation hazards

A general term referring to all known isotopes, both stable (~279) and unstable (~5000), of the chemical elements.

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Industry/Domain: Language Category: World languages

Sango

Sango is an official language of the Central African Republic. It is a creole related to Ngbandi and French. Spoken primarily in the Central African ...