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V-BEAM RADAR

One which uses two fan-shaped beams to determine the range, bearing and height of the target. One beam is vertical, the other inclined, intersecting at ground level. They rotate continuously about a vertical axis.

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V-CHIP

Abbrev for viewer or violence chip.

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V-CONNECTION

The open delta connection of two phases of a three-phase ac system.

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V-CURVE

The power-factor/temperature curve of a cable with moisture, which shows a pronounced minimum at about 40 C.

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V-END CONNECTIONS

V-shaped conductors connect

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V-GENE

That coding for the variable region of immunoglobulin heavy or light chain. It is widely separated from the C-gene constant region in germ line DNA as present in lymphocyte precursors and other body cells such as in liver, but during maturation of B lymphocytes it is rearranged by translocation to a position close to the 5' end of the C-gene, but still separated from it by an intron. A similar process takes place during the maturation of T lymphocytes,

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V-RINGS

V-shaped mica rings insulating the segments of a commutator from the end rings.

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V-SERIES

The CCITT recommendations for data transmission over telephone networks.

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V-TYPE COMMUTATOR

A commutator whose segments are provided with projecting spigots, which dovetail into the end rings.

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V.G. RECORDER

Abbrev for aircraft speed v and normal acceleration g in a vertical-gust recorder.

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