key variable

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• Variable retention — is a relatively new silvicultural system that follows nature s model by always retaining a significant part of the forest after harvesting. Variable retention harvests serve to promote desired natural regeneration while preserving unique features …   Wikipedia

• Variable universal life insurance — (often shortened to VUL) is a type of life insurance that builds a cash value. In a VUL, the cash value can be invested in a wide variety of separate accounts, similar to mutual funds, and the choice of which of the available separate accounts to …   Wikipedia

• Variable gauge axles — (VGA) are axles that allow railway vehicles to pass from tracks of one rail gauge to a different gauge. Variable gauge axles are used to allow the running of trains between Spain and France, Europe and Russia, Kazakhstan and China, and Mongolia… …   Wikipedia

• KeY — is a formal software development tool that aims to integrate design, implementation, formal specification, and formal verification of object oriented software. It supports programs written in Java (more precisely: in a superset of Java Card) and… …   Wikipedia

• Variable envelope return path — (VERP) is a technique used by some electronic mailing list software to enable automatic detection and removal of undeliverable e mail addresses. It works by using a different return path (also called envelope sender ) for each recipient of a… …   Wikipedia

• Key Sequenced Data Set — (KSDS) es un tipo de organización de datos usado en VSAM, un sistema de ficheros de IBM. Cada registro en un KSDS tiene asociado una clave única. Un fichero KSDS consiste de dos componentes: uno de datos y otro de un índice que permite al sistema …   Wikipedia Español

• Variable speed air compressor — A Variable Speed Drive (VSD) Air Compressor [ [http://www.quincycompressor.com/qgv.html Variable Speed Drive Compressor] ] is an air compressor that takes advantage of Variable Speed Drive technology. This type of compressor uses a special drive… …   Wikipedia

• 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

• Key Sequenced Data Set — A Key Sequenced Data Set (KSDS) is a type of data set used by the IBM VSAM computer data storage system. Each record in a KSDS data file is embedded with a unique key. A KSDS consists of two parts, the data component and a separate index file… …   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

• Variable Interest Entity - VIE — An entity (investee) in which the investor has obtained less than a majority owned interest, according to the United States Financial Accounting Standards Board. A variable interest entity (VIE) is subject to consolidation if certain conditions… …   Investment dictionary