Temperature is a physical property of matter that quantitatively expresses the common notions of hot and cold. Objects of low temperature are cold, while various degrees of higher temperatures are referred to as warm or hot. When a heat transfer path between them is open, heat spontaneously flows from bodies of a higher temperature to bodies of lower temperature. The flow rate increases with the temperature difference, while no heat will be exchanged between bodies of the same temperature, which are then said to be in "thermal equilibrium".
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Some articles on temperature:
... Circuits operate more slowly at high temperatures, and have reduced reliability and shorter lifetimes ... As their on-state resistance rises with temperature, if the load is approximately a constant-current load then the power loss rises correspondingly, generating ... When the heatsink is not able to keep the temperature low enough, the junction temperature may rise quickly and uncontrollably, resulting in destruction of the device ...
... The thermospheric temperature can be determined from density observations as well as from direct satellite measurements ... The temperature vs. 1 can be simulated by the so-called Bates profile with T∞ the exospheric temperature above about 400 km altitude, To = 355 K, and zo = 120 km reference ...
... The yearly temperature fluctuates between an average minimum of 4°C and an average maximum of 33°C ... In the north of Extremadura, the average temperatures are lower than those in the south, with temperatures gradually rising south towards the Sierra Morena, where they drop because of the altitude ... During the summer, the average temperature in July is greater than 26 °C, at times reaching 40 °C ...
... Temperatures in Yanam range from 27 °C to 45 °C in summer and 17 °C to 28 °C in winter ... From February, temperature start rising rapidly till May, which is the hottest month with the mean maximum around 37 °C and mean minimum around 28 °C ... The maximum temperature on some days in May or early June before the onset of the south-west monsoon may even touch 47 °C ...
... The Q10 temperature coefficient is a measure of the rate of change of a biological or chemical system as a consequence of increasing the temperature by ... calculated as where R is the rate T is the temperature in Celsius degrees or kelvins ... quantity, as it is the factor by which a rate changes, and is a useful way to express the temperature dependence of a process ...
More definitions of "temperature":
- (noun): The somatic sensation of cold or heat.
Famous quotes containing the word temperature:
“The bourgeois treasures nothing more highly than the self.... And so at the cost of intensity he achieves his own preservation and security. His harvest is a quiet mind which he prefers to being possessed by God, as he prefers comfort to pleasure, convenience to liberty, and a pleasant temperature to that deathly inner consuming fire.”
—Hermann Hesse (18771962)
“This pond never breaks up so soon as the others in this neighborhood, on account both of its greater depth and its having no stream passing through it to melt or wear away the ice.... It indicates better than any water hereabouts the absolute progress of the season, being least affected by transient changes of temperature. A severe cold of a few days duration in March may very much retard the opening of the former ponds, while the temperature of Walden increases almost uninterruptedly.”
—Henry David Thoreau (18171862)
“The siren south is well enough, but New York, at the beginning of March, is a hoyden we would not care to missa drafty wench, her temperature up and down, full of bold promises and dust in the eye.”
—E.B. (Elwyn Brooks)