particle

  • 41 particle — noun Syn: (tiny) bit, (tiny) piece, speck, spot, fragment, sliver, splinter …

    Synonyms and antonyms dictionary

  • 42 particle —   Huna, māhune, pula, lihi; hunahuna ōlelo (unit of speech).    ♦ Particles, hunahuna, huhuna, ko ana …

    English-Hawaiian dictionary

  • 43 particle — see PARCEL …

    Word origins

  • 44 Particle Data Booklet — Particle Data Group Le Particle Data Group est une collaboration internationale de physiciens des particules compulsant et réanalysant les résultats publiés relatifs aux propriétés des particules élémentaires et des interactions fondamentales. Il …

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  • 45 Particle physics — is a branch of physics that studies the elementary constituents of matter and radiation, and the interactions between them. It is also called high energy physics, because many elementary particles do not occur under normal circumstances in nature …

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  • 46 Particle swarm optimization — (PSO) is a swarm intelligence based algorithm to find a solution to an optimization problem in a search space, or model and predict social behavior in the presence of objectives.OverviewParticle swarm optimization is a stochastic, population… …

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  • 47 Particle decay — is the spontaneous process of one elementary particle transforming into other elementary particles. During this process, an elementary particle becomes a different particle with less mass and an intermediate particle such as W boson in muon decay …

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  • 48 Particle filter — Particle filters, also known as sequential Monte Carlo methods (SMC), are sophisticated model estimation techniques based on simulation. They are usually used to estimate Bayesian models and are the sequential ( on line ) analogue of Markov chain …

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  • 49 Particle size (general) — Particle size is a notion introduced for comparing dimensions of solid particles ( flecks ), liquid particles ( droplets ), or gaseous particles ( bubbles ).The notion of particle size applies to *Colloidal particles; *Particles in ecology;… …

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  • 50 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… …

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  • 51 Particle therapy — Intervention ICD 9: 92.26 Particle therapy is a form of external beam radiotherapy using beams of energetic protons, neutrons, or positive ions for cancer treatment. The most common …

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  • 52 Particle identification — is the process of using information left by a particle passing through a particle detector to identify the type of particle. Particle identification reduces backgrounds and improves measurement resolutions, and is essential to many analyses at… …

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  • 53 Particle tracking velocimetry — (PTV) is one of velocimetry methods, i.e a technique to measure velocity of particles. The name suggests that the particles are tracked, and not only recorded as an image as it is suggested in another form, particle image velocimetry. There are… …

    Wikipedia

  • 54 Particle velocity — is the velocity v of a particle (real or imagined) in a medium as it transmits a wave. In many cases this is a longitudinal wave of pressure as with sound, but it can also be a transverse wave as with the vibration of a taut string. When applied… …

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  • 55 Particle image velocimetry — (PIV) is an optical method used to measure velocities and related properties in fluids. The fluid is seeded with particles which, for the purposes of PIV, are generally assumed to faithfully follow the flow dynamics. It is the motion of these… …

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  • 56 Particle displacement — or particle amplitude (represented in mathematics by the lower case Greek letter xi;) is a measurement of distance (in metres) of the movement of a particle in a medium as it transmits a wave. In most cases this is a longitudinal wave of pressure …

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  • 57 Particle Mesh — (PM) is a computational method for determining the gravity forces in a system of particles. These particles could refer to atoms, stars, or fluid components and so the method is applicable to many fields, including molecular dynamics and… …

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  • 58 Particle Man — is a song by the band They Might Be Giants. It can be found on their 1990 release, Flood . It is about four different beings, each referred to as a man : Particle Man, a microscopic being whose attributes are deemed not important by the song;… …

    Wikipedia

  • 59 Particle size — *particle size (general) provides general definitions of the particle size notion. *particle size (grain size) provides specific details for particle size of soils, powders, gravel, etc. *particle size distribution …

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  • 60 Particle astrophysics — can be defined as the border between particle physics and cosmology (for example, the physics of the early universe, baryogenesis, cosmological nucleosynthesis, dark matter, monopoles, the origin of structure), particle and stellar physics (for… …

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