A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Viscosity
It is the property of a fluid which opposes
the relative motion between its layers. Viscosity is known as fluid friction.
Visible
Spectrum
Molecular spectrum obtained in visible or
ultraviolet region.
Vitrification
During firing of a ceramic body, the
formation of a liquid phase that upon cooling, becomes a glass bonding matrix.
VME
VME stands for
Versa Module Europa. It was jointly introduced in 1981 by Mostek, Motorola,
Phillips, and Thompson. The original motivation of VME development and
standardization was to introduce modular approach to highly intense computing tasks.
However it was quickly adopted by researchers in other fields as well, so much
that it now probably stands as the most used system in research laboratories.
Due to its flexibility and expandability, it has received its fair share of
popularity in industrial environments as well. The original VME standard is now
referred to as VME32 as it could handle up to 32 bits of data. The new standard
is called VME64 and has the capability of 64 bit data transfers.
VME
Logic
VME is a TTL based system. That is, its
internal functioning follows TTL logic. However modules accepting and producing
other logic signals can be integrated into the system.
Volt
It is the unit used to measure electric
potential difference between two points. One volt is electric potential
difference between two points when one joule of work is done in carrying one
coulomb of positive charge from one point to another.
Voltage
It represents electric potential energy per
unit charge. It is measurement of the energy contained
within an electric field, or an electric circuit, at a given point.
Volume
Strain
It is the change in volume per unit original volume or it is the
fractional change in volume.
Vulcanization
Non reversible
chemical reaction involving sulphur or other suitable agent where in
crosslink’s are formed between molecular chains in rubber materials. The
rubber’s modulus of elasticity and strength are enhanced.
VVER
Acronym for Voda Vodyanoi Energitechesky
reactor (water cooled water moderated energy reactor)
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