• A temperature gradient is a physical quantity that describes in which direction and at what rate the temperature changes the most rapidly around a particular...
    5 KB (475 words) - 16:46, 29 February 2024
  • Thumbnail for Temperature gradient gel electrophoresis
    Temperature gradient gel electrophoresis (TGGE) and denaturing gradient gel electrophoresis (DGGE) are forms of electrophoresis which use either a temperature...
    11 KB (1,639 words) - 18:58, 4 February 2024
  • Thumbnail for Geothermal gradient
    Geothermal gradient is the rate of change in temperature with respect to increasing depth in Earth's interior. As a general rule, the crust temperature rises...
    28 KB (3,141 words) - 23:07, 29 February 2024
  • Thumbnail for Radiation zone
    base of the convection zone. In a radiative zone, the temperature gradient—the change in temperature (T) as a function of radius (r)—is given by: d T ( r...
    11 KB (1,718 words) - 19:15, 4 April 2024
  • Thumbnail for Inversion (meteorology)
    adiabatic lapse rate. Under the right conditions, the normal vertical temperature gradient is inverted so that the air is colder near the surface of the Earth...
    13 KB (1,406 words) - 01:30, 8 April 2024
  • Thumbnail for Thermoacoustic heat engine
    pump is given by the temperature gradient operator, which is the mean temperature gradient divided by the critical temperature gradient. I = ∇ T m ∇ T c r...
    14 KB (1,665 words) - 06:32, 12 November 2023
  • Thumbnail for San Francisco fog
    until the following morning when the cycle repeats. A land/sea temperature-pressure gradient is not always necessary to drive the marine layer and low clouds...
    17 KB (1,933 words) - 18:16, 26 January 2024
  • conductivity, and is denoted k. Heat spontaneously flows along a temperature gradient (i.e. from a hotter body to a colder body). For example, heat is...
    35 KB (5,392 words) - 18:12, 27 April 2024
  • variables of heating, which include material types and constraints. Temperature gradients, thermal expansion or contraction and thermal shocks are things...
    4 KB (617 words) - 18:15, 18 July 2022
  • Thumbnail for Thermoelectric effect
    creating a temperature difference. At the atomic scale, an applied temperature gradient causes charge carriers in the material to diffuse from the hot side...
    28 KB (3,686 words) - 15:53, 22 April 2024
  • Thumbnail for Thermometer
    that measures temperature (the degree of hotness or coldness of an object) or temperature gradient (the rates of change of temperature in space). A thermometer...
    52 KB (6,298 words) - 10:32, 4 April 2024
  • Thumbnail for Lowest temperature recorded on Earth
    Antarctic where surface temperatures drop to approximately −98 °C (−144 °F; 175 K). Due to the very strong temperature gradient near the surface, these...
    10 KB (1,159 words) - 15:20, 12 February 2024
  • Thumbnail for Temperature measurement
    a temperature gradient, so the measured temperature is different from the actual temperature of the system. In such a case the measured temperature will...
    10 KB (1,425 words) - 23:54, 9 March 2024
  • Thumbnail for Microscale thermophoresis
    thermophoresis, the directed movement of particles in a microscopic temperature gradient. Any change of the chemical microenvironment of the fluorescent probe...
    14 KB (1,536 words) - 19:38, 31 December 2023
  • Thumbnail for Thermal wind
    For instance, the thermal wind associated with pole-to-equator temperature gradients is the primary physical explanation for the jet stream in the upper...
    11 KB (1,450 words) - 03:46, 4 January 2024
  • Thumbnail for Thermoelectric generator
    thermal gradient formed between two different conductors can produce electricity. At the heart of the thermoelectric effect is the fact that a temperature gradient...
    44 KB (5,312 words) - 01:45, 30 April 2024
  • Thumbnail for Hydrothermal synthesis
    an autoclave, in which a nutrient is supplied along with water. A temperature gradient is maintained between the opposite ends of the growth chamber. At...
    12 KB (1,548 words) - 20:55, 4 January 2024
  • Thumbnail for Temperature
    ISBN 0-88318-797-3, p. 23, "..., if a temperature gradient exists, ..., then a flow of heat, ..., must occur to achieve a uniform temperature." Guggenheim, E.A. (1967)...
    104 KB (12,973 words) - 02:31, 30 April 2024
  • Thumbnail for Mirage
    arrangement is called a temperature inversion, since warm air above cold air is the opposite of the normal temperature gradient of the atmosphere during...
    16 KB (1,950 words) - 01:39, 28 February 2024
  • the thermal conductivity, and ∇ T {\displaystyle \nabla T} is the temperature gradient. This is known as Fourier's Law for heat conduction. Although commonly...
    63 KB (8,353 words) - 10:34, 20 April 2024
  • Thumbnail for Heat
    non-equilibrium processes, it is desired to consider the effect of a temperature gradient established by the surroundings across the system of interest when...
    75 KB (10,917 words) - 18:32, 21 April 2024
  • Isobar Geopotential height Geostrophic wind Primitive equations Temperature gradient Conner A. Perrine (1967) The nature and theory of the general circulation...
    5 KB (581 words) - 22:30, 29 February 2024
  • Thumbnail for Stellar structure
    dwarfs. Convection is the dominant mode of energy transport when the temperature gradient is steep enough so that a given parcel of gas within the star will...
    15 KB (2,057 words) - 18:41, 27 March 2024
  • Thumbnail for Solar-powered Stirling engine
    engine powered by a temperature gradient generated by the sun. Even though Stirling engines can run with a small temperature gradient, it is more efficient...
    4 KB (546 words) - 10:02, 9 June 2023
  • q(z)=U(T_{2}(z)-T_{1}(z))=U\;\Delta T(z)} The heat that leaves the fluids causes a temperature gradient according to Fourier's law: d T 1 d z = k a ( T 1 ( z ) − T 2 ( z...
    7 KB (1,289 words) - 08:45, 28 February 2024
  • Thumbnail for Atmospheric refraction
    the amount of atmospheric refraction is a function of the temperature gradient, temperature, pressure, and humidity (the amount of water vapor, which...
    30 KB (3,728 words) - 06:38, 8 February 2024
  • Thumbnail for Biome
    low tide Climatic moisture gradient Temperature gradient by altitude Temperature gradient by latitude Along these gradients, Whittaker noted several trends...
    46 KB (4,830 words) - 06:36, 22 April 2024
  • increases with height. Such variations are examples of temperature gradients. A horizontal temperature gradient may occur, and hence air density variations, where...
    13 KB (1,770 words) - 20:52, 14 April 2024
  • Thumbnail for Gradient
    which the temperature rises most quickly, moving away from (x, y, z). The magnitude of the gradient will determine how fast the temperature rises in that...
    35 KB (5,359 words) - 04:11, 29 March 2024
  • right-hand side is now the ratio of the temperature gradient at the surface to the reference temperature gradient, while the left-hand side is similar to...
    17 KB (2,512 words) - 15:39, 22 March 2024