single-variable
21Variable-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. |… …
22Variable — A variable (pronEng|ˈvɛərɪəbl) is an attribute of a physical or an abstract system which may change its value while it is under observation. Examples include the height of a child, the temperature across a state, or the input to a function. This… …
23Variable Geo — This article refers to the video game series, for the OVAs, see Variable Geo (anime). Variable Geo Front cover of V.G.: Variable Geo for the PC 9801, the first title of the series. Developer(s) Gig …
24Variable 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… …
25Variable star — A star is classified as variable if its apparent brightness as seen from Earth changes over time, whether the changes are due to variations in the star s actual luminosity, or to variations in the amount of the star s light that is blocked from… …
26Variable (mathematics) — In mathematics, a variable is a value that may change within the scope of a given problem or set of operations. In contrast, a constant is a value that remains unchanged, though often unknown or undetermined.[1] The concepts of constants and… …
27Variable Seedeater — Taxobox name = Variable Seedeater image width = 240px image caption = A male from near Panama City, Panama. status = LC status system = iucn3.1 regnum = Animalia phylum = Chordata classis = Aves ordo = Passeriformes familia = Thraupidae genus =… …
28Variable range hopping — IntroductionVariable range hopping or Mott variable range hopping, is a model describing low temperature conduction in strongly disordered systems with localized states. [Mott, N.F., Phil. Mag. ,19,835,1969] It has a characteristic temperature… …
29Single-Handed Trans-Atlantic Race — The Single handed Trans Atlantic Race, or STAR, is an east to west yacht race across the North Atlantic. When inaugurated in 1960, it was the first single handed ocean yacht race; it is run from Plymouth to the USA, and is held every four years.… …
30Single-access key — A key in Biology is a modeling method used for categorizing species using logical choices. A single access key (Dichotomous key also called sequential key , analytical key [1], or pathway key ) is a key where the sequence and structure of… …
