- air particle
- воздушная частица
English-Russian aviation meteorology dictionary. 2013.
English-Russian aviation meteorology dictionary. 2013.
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… … Wikipedia
Engine Air Particle Separator — Ein Particle Separator (auf deutsch in etwa Teilchenabtrenner) ist ein Mechanismus, der vornehmlich in Hubschraubern eingesetzt wird, um die Turbine(n) vor Fremdkörpern wie Sand oder ähnlichem in der angesaugten Luft zu schützen. Meist besteht… … Deutsch Wikipedia
Particle acceleration — In a compressible sound transmission medium mainly air air particles get an accelerated motion: the particle acceleration or sound acceleration with the symbol a in metre/second sup2;. In acoustics or physics, acceleration (symbol: a ) is defined … Wikipedia
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 … Wikipedia
Air pollution — from World War II production Smog over … Wikipedia
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 … Wikipedia
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… … Wikipedia
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… … Wikipedia
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
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 number — Conjugate variables of thermodynamics Pressure Volume (Stress) (Strain) Temperature Entropy Chemical potential Particle number The particle number (or number of particles) of a thermodynamic system … Wikipedia