Fahrenheit Temperature scale
. Retrieved May 1, 2009 from http:// www.sizes.com/units/temperature_Fahrenheit.htm
The established temperature scale
is also a basis for scientific research activities and non-contact temperature measurements .
HAPPENED ON THIS DAY 1701: Anders Celsius, Swedish astronomer who created the centigrade temperature scale
, was born in Uppsala.
By convention, ASHRAE chooses the heat content of moist air as zero at the starting point [T.sub.0] of the temperature scale
, (1) while calculating the vaporization heat [h.sub.0.sup.vap] at [T.sub.0] (ASHRAE 2005).
Changes in A and An are correlated to the microscopic smectic layer spacing, by mapping A and An to an exceedingly fine temperature scale
. The idea is that as the materials are continuous, such a temperature scale
is not limited by the precision of the measurements.
The Celsius temperature scale
was proposed in 1742 by the Swedish astronomer Anders Celsius, but it was more commonly known as the Centigrade scale until 1948.
On the temperature scale
, high temperature developments are considered to be between 300-350 deg F, extreme temperatures are approximately 350-400 deg F and ultra high on the scale of 400-500 deg F.
In this context, estimating a minimum temperature scale
in specific situations, spring frost is the main objective of this study.
Around 80% of non-food applications are catered for by standard, silicon-based products such as Dow Corning's popular DC200 fluid, but the choice of fill fluid may not be so easy in some applications--especially those at each end of the temperature scale
. Applications that are hotter than approximately 200oC require specialist high-temperature fill fluids to prevent them boiling in the capillaries.
Which Swedish astronomer in the 18th century was the first to propose the centigrade temperature scale
The worldwide consistent temperature measurement is assured by the International Temperature Scale
of 1990 (ITS-90), which extends from 0.65 K to the highest temperatures, measurable with the aid of Planck's radiation law.