reduced momentum of a particle — приведенный импульс частицы
precipitate particle — частица выделенной (упрочняющей) фазы
ultrasonic particle counter — ультразвуковой счетчик частиц
charged particle equilibrium — равновесие заряженных частиц
charged particle accelerator — ускоритель заряженных частиц
English-Russian big polytechnic dictionary. 2014.
PSD — particle size distribution; peptone, starch, and dextrose; percutaneous stricture dilatation; periodic synchronous discharge; phase sensitive detector; pilonidal sinus disease; poststenosis dilation; pituitary stalk distortion; posterior sagittal … Medical dictionary
PSD — • particle size distribution; • peptone, starch, and dextrose; • percutaneous stricture dilatation; • periodic synchronous discharge; • phase sensitive detector; • pilonidal sinus disease; • poststenosis dilation; • pituitary stalk distortion; •… … Dictionary of medical acronyms & abbreviations
celestial mechanics — the branch of astronomy that deals with the application of the laws of dynamics and Newton s law of gravitation to the motions of heavenly bodies. [1815 25] * * * Branch of astronomy that deals with the mathematical theory of the motions of… … Universalium
Saturn — /sat euhrn/, n. 1. an ancient Roman god of agriculture, the consort of Ops, believed to have ruled the earth during an age of happiness and virtue, identified with the Greek god Cronus. 2. Astron. the planet sixth in order from the sun, having an … Universalium
BKL singularity — A BKL (Belinsky Khalatnikov Lifshitz) singularityHarvnb|Belinsky|Khalatnikov|Lifshitz|1970] is a model of the dynamic evolution of the Universe near the initial singularity, described by a non symmetric, chaotic, vacuum solution to Einstein s… … Wikipedia
Spawn (biology) — The spawn (eggs) of a clownfish. The black spots are the eyes developing. Spawn refers to the eggs and sperm released or deposited, usually into water, by aquatic animals. As a verb, spawn refers to the process of releasing the eggs and sperm,… … Wikipedia
Torque limiter — A torque limiter is an automatic device that protects mechanical equipment, or its work, from damage by mechanical overload. A torque limiter may limit the torque by slipping (as in a friction plate slip clutch), or uncouple the load entirely (as … Wikipedia
n-body problem — This article is about the problem in classical mechanics. For the problem in quantum mechanics, see Many body problem. The n body problem is the problem of predicting the motion of a group of celestial objects that interact with each other… … Wikipedia
Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… … Universalium
electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… … Universalium
Magnetic field — This article is about a scientific description of the magnetic influence of an electric current or magnetic material. For the physics of magnetic materials, see magnetism. For information about objects that create magnetic fields, see magnet. For … Wikipedia
