small+particle

  • 1 small-particle pollution — noun air pollution caused by fine particles of soot (as from power plants or diesel engines) • Hypernyms: ↑air pollution …

    Useful english dictionary

  • 2 Particle counter — A particle counter is an instrument that detects and counts particles. Applications of particle counters are separated into two primary categories:*Aerosol particle counters *Liquid particle countersAerosol particle countersAerosol Particle… …

    Wikipedia

  • 3 Small-angle X-ray scattering — (SAXS) is a small angle scattering (SAS) technique where the elastic scattering of X rays (wavelength 0.1 ... 0.2 nm) by a sample which has inhomogeneities in the nm range, is recorded at very low angles (typically 0.1 10°). This angular range… …

    Wikipedia

  • 4 particle — 1 Particle, bit, mite, smidgen, whit, atom, iota, jot, tittle all mean a very small or insignificant piece or part. Particle is used in reference not only to substances which are actually divisible but to such things as a quality, a state, or a… …

    New Dictionary of Synonyms

  • 5 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 …

    Wikipedia

  • 6 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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  • 7 Particle — may refer to:In chemistry: * Colloidal particle, part of a one phase system of two or more componentsIn physics: * Subatomic particle, which may be either: **Elementary particle, a particle of which larger particles are composed, also called a… …

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  • 8 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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  • 9 particle — [pärt′i kəl] n. [ME partycle < MFr particule < L particula, dim. of pars,PART1] 1. a) an extremely small piece; tiny fragment [a dust particle] b) the slightest trace; speck [not a particle of truth] 2 …

    English World dictionary

  • 10 Particle — Par ti*cle, n. [L. particula, dim. of pars, gen partis, a part: cf. F. particule. See {Part}, and cf. {Parcel}.] 1. A minute part or portion of matter; a morsel; a little bit; an atom; a jot; as, a particle of sand, of wood, of dust. [1913… …

    The Collaborative International Dictionary of English

  • 11 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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  • 12 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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  • 13 Small-angle neutron scattering — (SANS) is a laboratory technique, similar to the often complementary techniques of small angle X ray scattering (SAXS) and light scattering. These are particularly useful because of the dramatic increase in forward scattering that occurs at phase …

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  • 14 Particle size (grain size) — Particle size, also called grain size, refers to the diameter of individual grains of sediment, or the lithified particles in clastic rocks. The term may also be applied to other granular materials. This is different from the crystallite size,… …

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  • 15 particle — (n.) late 14c., small part or division of a whole, from L. particula little bit or part, dim. of pars (gen. partis); see PART (Cf. part) (n.). In construction, particle board (1957) is so called because it is made from chips and shavings of wood …

    Etymology dictionary

  • 16 Small nuclear ribonucleoprotein polypeptide C — Small nuclear ribonucleoprotein polypeptide C, also known as SNRPC, is a human gene.cite web | title = Entrez Gene: SNRPC small nuclear ribonucleoprotein polypeptide C| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene Cmd=ShowDetailView… …

    Wikipedia

  • 17 particle accelerator — particle ac.celerator n a machine used in scientific studies which makes the very small pieces of matter that atoms are made of move at high speeds …

    Dictionary of contemporary English

  • 18 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

  • 19 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

  • 20 particle — particled, adj. /pahr ti keuhl/, n. 1. a minute portion, piece, fragment, or amount; a tiny or very small bit: a particle of dust; not a particle of supporting evidence. 2. Physics. a. one of the extremely small constituents of matter, as an atom …

    Universalium