variable unit

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• Unit propagation — (UP) or the one literal rule (OLR) is a procedure of automated theorem proving that can simplify a set of (usually propositional) clauses.DefinitionThe procedure is based on unit clauses, i.e. clauses that are composed of a single literal. If a… …   Wikipedia

• Variable Cost Ratio — Variable costs expressed as a percentage of sales. The variable cost ratio compares costs, which fluctuate depending on production levels, to the revenues made on those products. This ratio relates the specific costs to the revenues they generate …   Investment dictionary

• Variable displacement — is an automobile engine technology that allows the engine displacement to change, usually by deactivating cylinders, for improved fuel economy. The technology is primarily used in large, multi cylinder engines. Many automobile manufacturers have… …   Wikipedia

• Variable air volume — (VAV) is a technique for controlling the capacity of a heating, ventilating, and/or air conditioning (HVAC) system. The simplest VAV system incorporates one supply duct that, when in cooling mode, distributes approximately convert|55|F supply air …   Wikipedia

• Variable-width encoding — This article is about the storage of text in computers. For the transmission of data across noisy channels, see variable length code. A variable width encoding is a type of character encoding scheme in which codes of differing lengths are used to …   Wikipedia

• Unit-weighted regression — In statistics, unit weighted regression is perhaps the easiest form of multiple regression analysis, a method in which two or more variables are used to predict the value of an outcome. At a conceptual level, the example of weight loss can… …   Wikipedia

• Variable cost — Decomposing Total Costs as Fixed Costs plus Variable Costs. Variable costs are expenses that change in proportion to the activity of a business.[1] Variable cost is the sum of marginal costs over all units produced. It can also be considered… …   Wikipedia

• Variable-frequency drive — A variable frequency drive (VFD) is a system for controlling the rotational speed of an alternating current (AC) electric motor by controlling the frequency of the electrical power supplied to the motor.cite book | first=Sylvester J. |… …   Wikipedia

• Variable velocity — Velocity Ve*loc i*ty, n.; pl. {Velocities}. [L. velocitas, from velox, ocis, swift, quick; perhaps akin to v?lare to fly (see {Volatile}): cf. F. v[ e]locit[ e].] [1913 Webster] 1. Quickness of motion; swiftness; speed; celerity; rapidity; as,… …   The Collaborative International Dictionary of English

• Variable speed of light — The variable speed of light (VSL) concept states that the speed of light in a vacuum, usually denoted by c , may not be constant in some cases. In most situations in condensed matter physics when light is traveling through a medium, it… …   Wikipedia

• Variable Cost-Plus Pricing — A pricing method in which the selling price is established by adding a markup to total variable costs. The expectation is that the markup will contribute to meeting all or a part of fixed costs, and generate some level of profit. Variable cost… …   Investment dictionary