Fizikos terminų žodynas : lietuvių, anglų, prancūzų, vokiečių ir rusų kalbomis. – Vilnius : Mokslo ir enciklopedijų leidybos institutas. Vilius Palenskis, Vytautas Valiukėnas, Valerijonas Žalkauskas, Pranas Juozas Žilinskas. 2007.
Periodic graph (crystallography) — For other uses, see Periodic graph. A (large) unit cell of Diamond crystal net; the balls represent carbon atoms and the sticks represent covalent bonds … Wikipedia
Gibbs phenomenon — In mathematics, the Gibbs phenomenon (also known as ringing artifacts), named after the American physicist J. Willard Gibbs, is the peculiar manner in which the Fourier series of a piecewise continuously differentiable periodic function f behaves … Wikipedia
Quasi-periodic oscillations — In high energy (X ray) astronomy, quasi periodic oscillations (QPOs) refer to the way the X ray light from an astronomical object flickers about certain frequencies. In these situations, the X rays are emitted near the inner edge of an accretion… … Wikipedia
Liesegang phenomenon — the peculiar periodic formation of a precipitate in concentric banded rings, waves, or spirals when two electrolytes diffuse into and meet in a colloid gel … Medical dictionary
beat phenomenon — when a two degree of freedom system has two closely spaced natural frequencies, wn1 and wn2, vibration kinetic energy will transfer from one degree of freedom to the other in a periodic fashion. The frequency of this transfer is known as the beat … Mechanics glossary
Time in physics — In physics, the treatment of time is a central issue. It has been treated as a question of geometry. One can measure time and treat it as a geometrical dimension, such as length, and perform mathematical operations on it. It is a scalar quantity… … Wikipedia
Hertz — This article is about the unit of frequency. For the rental car company, see The Hertz Corporation. For other uses, see Hertz (disambiguation). MHz and MHZ redirect here. For other uses, see MHZ (disambiguation). Hz redirects here. For other uses … Wikipedia
Harmonic — This article is about the components of periodic signals. For other uses, see Harmonic (disambiguation). The nodes of a vibrating string are harmonics. A harmonic of a wave is a component frequency of the signal that is an integer multiple of the … Wikipedia
Kilocycle — A thousand cycles, of any periodic phenomenon. kilocycle or kilocycles may refer to:* A measurement of usage of reciprocating machines, especially presses * Kilocycles (as an abbreviation of kilocycles per second) is an old term for what is today … Wikipedia
Physical quantity — A physical quantity is a physical property that can be quantified. This means it can be measured and/or calculated and expressed in numbers. The value of a physical quantity Q is expressed as the product of a numerical value { Q } and a physical… … Wikipedia
