- relaxation phenomenon
- 弛豫现象
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
relaxation phenomenon — ▪ physics and chemistry Introduction in physics and chemistry, an effect related to the delay between the application of an external stress to a system that is, to an aggregation of matter and its response. It may occur in nuclear, atomic,… … Universalium
Relaxation (NMR) — In nuclear magnetic resonance (NMR) spectroscopy and magnetic resonance imaging (MRI) the term relaxation describes several processes by which nuclear magnetization prepared in a non equilibrium state return to the equilibrium distribution. In… … Wikipedia
Stress relaxation — describes how polymers relieve stress under constant strain. Because they are viscoelastic, polymers behave in a nonlinear, non Hookean fashion.Meyers and Chawla. Mechanical Behavior of Materials (1999) ISBN 0 13 262817 1] This nonlinearity is… … Wikipedia
Perky phenomenon — Also known as Perky effect. Both eponyms refer to the American psychologist Cheves West Perky (1874 1940). They refer to the phenomenon of mistaking a sensory percept for a product of the imagination. The phenomenon was first reported by Perky … Dictionary of Hallucinations
chemical kinetics — Introduction the branch of physical chemistry (chemistry) that is concerned with understanding the rates of chemical reactions (chemical reaction). It is to be contrasted with thermodynamics, which deals with the direction in which a… … Universalium
Eigen, Manfred — born May 9, 1927, Bochum, Ger. German physicist. He received his Ph.D. from the University of Göttingen in 1951. He shared a 1967 Nobel Prize with Ronald Norrish (1897–1978) and George Porter (b. 1920) for work on extremely rapid chemical… … Universalium
Nuclear magnetic resonance — This article is about the physical phenomenon. For its use as a method in spectroscopy, see Nuclear magnetic resonance spectroscopy. NMR redirects here. For other uses, see NMR (disambiguation). First 1 GHz NMR Spectrometer (1000 MHz,… … Wikipedia
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Reflex — A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The nasal reflex is a sneeze. * * * 1. An involuntary reaction in response to a stimulus applied to the periphery and transmitted to the… … Medical dictionary
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Avalanche transistor — An Avalanche Transistor is a bipolar junction transistor designed for operation in the region of its collector current/collector to emitter voltage characteristics beyond the collector to emitter breakdown voltage, called avalanche breakdown… … Wikipedia