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The study of the behavior of matter at very low temperatures.



Related Terms

BULK RHEOLOGY

The branch of rheology wherein study of the behavior of matter neglects effects due to the surface of a system.

LOW-TEMPERATURE HYGROMETRY

The study that deals with the measurement of water vapor at low temperatures; the techniques used differ from those of conventional hygrometry because of the extremely small amounts of moisture present at low temperatures and the difficulties imposed by the increase of the time constants of the standard instruments when operated at these temperatures.

NERNST-LINDEMANN CALORIMETER

A calorimeter for measuring specific heats at low temperatures, in which the heat reservoir consists of a metal of high thermal conductivity such as copper, to promote rapid temperature equalization; none of the material under study is more than a few millimeters from a metal surface, and the whole apparatus is placed in an evacuated vessel and heated by current through a platinum heating coil.

CELESTIAL MECHANICS

The study of the motions of celestial bodies under the influence of gravitational fields

CRIMP CONNECTER

Light duty compressible fittings used to join low voltage DC circuitry. Available in spade or barrel type male to female configurations.

MATTER

That which has mass and occupies space.

PSYCHROMETRY

The study of air-vapor mixtures.

THERMAL CONDUCTIVITY

The ability of a material to conduct heat, expressed as thermal power conducted per unit temperature and thickness. Metals and other thermal 'conductors' have a large thermal conductivity. Refractories and other thermal 'insulators' have a low thermal conductivity.

EVERGLADE

  1. A tract of swampy land covered mostly with tall grass. 2. A swamp or inundated tract of low land, as used locally in the southern U.S

ANTIDUMPING DUTY

A tariff imposed to discourage sale of foreign goods, subsidized to sell at low prices detrimental to local manufacturers.

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