small particle
1small-particle pollution — noun air pollution caused by fine particles of soot (as from power plants or diesel engines) • Hypernyms: ↑air pollution …
2Particle 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… …
3Small-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… …
4particle — 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… …
5Particle 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 …
6Particle 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… …
7Particle — 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… …
8Particle 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… …
9particle — [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 …
10Particle — 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… …
