Small make up to you to introduce the Celsius scale and the definition of Fahrenheit
Every day we are paying attention to the change of temperature, so the understanding of the thermometer has a lot of, have different thermometer according to need, such as, bimetallic thermometer, household electronic thermometer, pressure type thermometer, of course, different thermometer has a different scale, said such as the dial thermometers can by the Celsius scale, and the Fahrenheit scale.
However, many people only know Celsius, but don't know what is the definition, the following will introduce in detail: the definition of temperature: from a macro point of view, the temperature is hot and cold said object level of physical quantities, from the microcosmic point of view, the temperature marked the material intensity of molecular thermal motion.
Quantities of temperature is related to human life.
Scale: the definition of a temperature scale is the standard size of measuring temperature, is the scale of temperature change in value.
All kinds of thermometer calibration values are determined by scale.
Fahrenheit and Celsius scale, thermodynamic temperature scale and the practical temperature scale.
Celsius scale definition: 1740 Swedish Celsius (
Is put forward.
Under normal atmospheric pressure, the freezing point of the pure water regulation to 0 degrees, the boiling point of water is 100 degrees.
The mercury column between these two points can be divided into 100, each equal to 1 degrees Celsius, marked as ℃.
Fahrenheit definition: in 1714, the germans warren hite (
, under normal atmospheric pressure, the ice, water, the melting point of a mixture of ammonium chloride and sodium chloride as zero, located in the melting point of ice 32 degrees, the boiling point of water locating 212 degrees, the middle is divided into 180 equal, each divided into 1 f, such as symbol for (
Through the above introduction, whether in Fahrenheit and Celsius scale have further understanding?