variable coupling
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variable coupling — coupling in which the interval between extrasystoles and the sinus beats preceding them is not constant … Medical dictionary
coupling interval — the length of time between an ectopic beat and the sinus beat preceding it; in an arrhythmia characterized by such beats, the intervals may be constant (fixed coupling intervals) or inconstant (variable coupling intervals) … Medical dictionary
Coupling (computer science) — In computer science, coupling or dependency is the degree to which each program module relies on each one of the other modules.Coupling is usually contrasted with cohesion. Low coupling often correlates with high cohesion, and vice versa. The… … Wikipedia
Coupling (computer programming) — In computer science, coupling or dependency is the degree to which each program module relies on each one of the other modules. Coupling is usually contrasted with cohesion. Low coupling often correlates with high cohesion, and vice versa. The… … Wikipedia
Variable Specific Impulse Magnetoplasma Rocket — Artist s impression of several VASIMR engines propelling a craft through space The Variable Specific Impulse Magnetoplasma Rocket (VASIMR) is an electro magnetic thruster for spacecraft propulsion. It uses radio waves to ionize and heat a… … Wikipedia
coupling — 1. Usually the result of the repeated pairing of a normal sinus beat with a ventricular extrasystole. 2. See c. phase. 3. A condition in which one or more products of a reaction are the subsequent reactants (or substrates) of a second reaction.… … Medical dictionary
Fluid coupling — A fluid coupling is a hydrodynamic device used to transmit rotating mechanical power. It has been used in automobile transmissions as an alternative to a mechanical clutch. It also has widespread application in marine and industrial machine… … Wikipedia
Manganese-mediated coupling reactions — are radical coupling reactions between enolizable carbonyl compounds and unsaturated compounds initiated by a manganese(III) salt, typically manganese(III) acetate. Copper(II) acetate is sometimes used as a co oxidant to assist in the oxidation… … Wikipedia
Continuously variable transmission — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic Dual … Wikipedia
Differential coupling — differential dif fer*en tial, a. [Cf. F. diff[ e]rentiel.] 1. Relating to or indicating a difference; creating a difference; discriminating; special; as, differential characteristics; differential duties; a differential rate. [1913 Webster] For… … The Collaborative International Dictionary of English
Theories d'une vitesse de lumiere variable — Théories d une vitesse de lumière variable Les concepts de vitesse de la lumière variable soutiennent que la vitesse de la lumière dans le vide, généralement notée c, pourrait ne pas être constante dans certains cas. NB : Il est vrai que la… … Wikipédia en Français
