NationMaster - Encyclopedia: Cycle

Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ... A variety of parked motorcycles A motorcycle or motorbike is a single-track, two-wheeled motor vehicle powered by an engine. ... For other uses, see Bicycle (disambiguation). ... Police officer on a bicycle Cycling is a means of transport, a form of recreation, and a sport. ... A cycle (Latin cyclus, from Greek kuklos meaning circle) is anything round, in the physical sense (e. ... Cycle (music) - Wikipedia /**/ @import /skins/monobook/IE50Fixes. ... The instruction cycle is the time period during which one instruction is fetched from memory and executed when a computer is given an instruction in machine language. ... In computing, FLOPS (or flops) is an acronym meaning FLoating point Operations Per Second. ... The English suffix -cycle indicates a vehicle for transportation, but generally smaller than an automobile or truck. ... Periodicity is the quality of occurring at regular intervals (e. ...

Arts

Cycle (music): Interval cycle, cyclic form and song cycle in music.
Literature cycle
Cycles, a 1968 album by Frank Sinatra
Cycles, a 1989 album by The Doobie Brothers

Cycle (music) - Wikipedia /**/ @import /skins/monobook/IE50Fixes. ... In music, interval cycles, unfold a single recurrent interval in a series that closes with a return to the initial pitch class, and are notated by George Perle using the letter C, for cycle, with an interval class integer to distinguish the interval. ... Cyclic form is a technique of musical construction, involving multiple parts or movements, in which a theme, melody, or thematic material occurs in more than one movement as a unifying device. ... A song cycle is a group of songs designed to be performed in sequence as a single entity. ... Literary cycles are groups of stories grouped around common figures, based on mythical figures or loosely on historic ones. ... Cycles is an album by American singer Frank Sinatra, released in 1968. ... Cycles is the tenth studio album by American rock band The Doobie Brothers, released in 1989. ...

Biology

The menstrual cycle

Menstrual cycle The menstrual cycle is a recurring cycle of physiological changes that occurs in the females of human beings and other great apes. ...

Chemistry

A series of chemical reactions, e.g. Citric acid cycle, Kreb's cycle, the Born Haber cycle or the Calvin cycle
Biogeochemical cycles such as the Ozone-oxygen cycle
A cyclic compound. See also alicyclic compound

Overview of the citric acid cycle The citric acid cycle (also known as the tricarboxylic acid cycle, the TCA cycle, or the Krebs cycle, after Hans Adolf Krebs who identified the cycle) is a series of chemical reactions of central importance in all living cells that use oxygen as part... The citric acid cycle (also known as the tricarboxylic acid cycle, the TCA cycle, or the Krebs cycle) is a series of chemical reactions of central importance in all living cells that utilize oxygen as part of cellular respiration. ... The Born-Haber cycle is a famous cycle of chemical reactions, first developed by Max Born and the German chemist Fritz Haber in 1917. ... Overview of the Calvin cycle and carbon fixation The Calvin cycle (or Calvin-Benson cycle or carbon fixation) is a series of biochemical reactions that takes place in the stroma of chloroplasts in photosynthetic organisms. ... In ecology, a biogeochemical cycle is a circuit where a nutrient moves back and forth between both biotic and abiotic components of ecosystems. ... Ozone-oxygen cycle in the ozone layer. ... In organic chemistry, a cyclic organic compound is one in which a series of carbon atoms are connected together to form a loop or ring. ... Cyclopropane is the smallest alicyclic compound. ...

Criminology

Cycle of violence, often occurring in domestic abuse

The Cycle of Violence, is a cycle which shows what usually happens in an abusive relationship. ... Abuse is a general term for the misuse of a person or thing, causing harm to the person or thing, to the abuser, or to someone else. ...

Engineering and technology

Duty cycle in electronics and telecommunication
In rechargeable batteries, each charge/discharge is a cycle

In telecommunication and electronics, the term duty cycle has the following meanings: The duty cycle D is defined as the ratio between the pulse duration () and the period (T) of a rectangular waveform In a periodic phenomenon, the ratio of the duration of the phenomenon in a given period to...

Finance

A business cycle, e.g. the RBC

// [edit] Introduction [edit] Definition If we were to take snapshots of an economy at different points in time, no two photos would look alike. ... The model of Real Business Cycles (RBCs) is a macroeconomics model formulated principally by Robert Lucas Jr, Finn E. Kydland and Edward C. Prescott, building upon the ideas of John F. Muth. ...

History

Cyclical patterns in history

Historians from Polybius to Giambattista Vico and Karl Marx have entertained the notion that history moves in definite cycles. ...

Mathematics

Cyclic permutation, or cycles, into which any permutation may be decomposed
Cycle (graph theory) in graph theory (see also cycle space and Floyd's cycle-finding algorithm)
Cycle, an element of a homology class (see also Hodge cycle)
An n-cycle is a topologically nontrivial n-dimensional submanifold

A cyclic permutation is a permutation that shifts all elements of given ordered set by a fixed offset, with the elements shifted off the end inserted back at the beginning in the same order, i. ... Let be a set. ... Permutation is the rearrangement of objects or symbols into distinguishable sequences. ... Cycle in graph theory and computer science has several meanings: A closed walk, with repeated vertices allowed. ... // The binary cycle space In graph theory, certain vector spaces over the two-element field Z2 are associated with an undirected graph; this allows one to use the tools of linear algebra to study graphs. ... Floyds cycle-finding algorithm is an algorithm which can detect cycles in arbitrary sequences, whether in data structures or generated on the fly (notably including those in graphs and pseudo-random sequences) in O(1) space. ... In mathematics (especially algebraic topology and abstract algebra), homology (in Greek homeos = identical and logos = word) is a certain general procedure to associate a sequence of abelian groups or modules to a given mathematical object (such as a topological space or a group). ... In mathematics, a Hodge cycle is a particular kind of homology class defined on a complex algebraic variety V, or more generally on a Kähler manifold. ... This is a glossary of terms specific to differential geometry and differential topology. ...

Physics

The cycle is a unit of phase angle equivalent to one oscillation, or 2π radians. Frequency can be measured in cycle per second, but is instead typically measured in Hertz.

The phase angle of a point on a periodic wave is the distance between the point and a specified reference point, expressed using an angular measure. ... In mathematics and physics, the radian is a unit of angle measure. ... FreQuency is a music video game developed by Harmonix and published by SCEI. It was released in November 2001. ... A once-common unit of frequency. ... MHZ redirects here. ...

Sociology

Social cycle theory

Social cycle theories are one of the earliest social theories in sociology. ...

Sports

Hitting for the cycle in baseball

Eric Davis hit for the cycle in 1989 In baseball, a player hits for the cycle when he hits a single, a double, a triple and a home run in the same game, though not necessarily in that order. ...