Библиотека

А Б В Г Д Е Ж З И К Л М Н О П Р С Т У Ф Х Ц Ч Ш Щ Э Ю Я

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

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V — OTHER SYSTEMS
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V-belt
— Whose section is trapezium-shaped. Used with grooved pulleys.
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V-coil evaporator
— An evaporator in which the tubes, arranged in the vertical plane, are bent in the form of a V.
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Vacuum
— State of a region in which the gas pressure is considerably lower than atmospheric pressure.
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Vacuum breaking
— Vacuum cracking Increasing the pressure in an enclosure under vacuum by exposing it to atmosphere.
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Vacuum chilling
— Cooling by vaporization under vacuum of part of the water contained in the cooled material.
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Vacuum cooling
— Cooling by vaporization under vacuum of part of the water contained in the cooled material.
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Vacuum device
— Any piece of equipment including an enclosure maintained at a low pressure.
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Vacuum flask
— A silvered glass flask with double walls, the space between them being evacuated.
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Vacuum freezing
— Freezing of a substance achieved through lowering of pressure resulting in vaporization of a part of the solvent (usually water).