- negatively charged particle
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English-Russian dictionary of geology. 2011.
negatively charged particle
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Particle radiation — is the radiation of energy by means of fast moving subatomic particles. Particle radiation is referred to as a particle beam if the particles are all moving in the same direction, similar to a light beam.Due to the wave particle duality, all… … Wikipedia
particle accelerator — accelerator (def. 7). [1945 50] * * * Device that accelerates a beam of fast moving, electrically charged atoms (ions) or subatomic particles. Accelerators are used to study the structure of atomic nuclei (see atom) and the nature of subatomic… … Universalium
Particle accelerator — Atom smasher redirects here. For other uses, see Atom smasher (disambiguation). A 1960s single stage 2 MeV linear Van de Graaff accelerator, here opened for maintenance A particle accelerator[1] is a device that uses electromagnetic fields to… … Wikipedia
Particle beam — A particle beam is an accelerated stream of charged particles or neutrons (often moving at very near the speed of light) which may be directed by magnets and focused by electrostatic lenses, although they may also be self focusing (see… … Wikipedia
charged — adjective 1. of a particle or body or system; having a net amount of positive or negative electric charge (Freq. 7) charged particles a charged battery • Ant: ↑uncharged • Similar to: ↑hot, ↑ … Useful english dictionary
particle radiation — High energy nuclear emissions, used as physical agents of mutagenesis. Three major types typically used: alpha (α) (positively charged), beta (β) (negatively charged), or neutrons (uncharged) … Glossary of Biotechnology
particle — 1. A very small piece or portion of anything. 2. An elementary p. such as a proton or electron. [L. particula, dim. of pars, part] alpha p. (α) a p. consisting of two neutrons and two protons, with a positive charge (2e+); emitted energetically… … Medical dictionary
subatomic particle — or elementary particle Any of various self contained units of matter or energy. Discovery of the electron in 1897 and of the atomic nucleus in 1911 established that the atom is actually a composite of a cloud of electrons surrounding a tiny but… … Universalium
Subatomic particle — In physics or chemistry, subatomic particles are the smaller particles composing nucleons and atoms. There are two types of subatomic particles: elementary particles, which are not made of other particles, and composite particles. Particle… … Wikipedia
alpha particle — Physics. a positively charged particle consisting of two protons and two neutrons, emitted in radioactive decay or nuclear fission; the nucleus of a helium atom. [1900 05] * * * ▪ physics positively charged particle, identical to the… … Universalium
Virtual particle — In physics, a virtual particle is a particle that exists for a limited time and space, introducing uncertainty in their energy and momentum due to the Heisenberg Uncertainty Principle. (Indeed, because energy and momentum in quantum mechanics are … Wikipedia
