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isotherm |
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isotherm, line drawn on a map of a particular region of the earth's surface connecting points of equal temperature; each point reflects one temperature reading or an average of several readings over a period of time. The relative spacing of the isothermal lines indicates a temperature gradient, i.e., the amount of temperature change over a given distance. isotherm 1. a line on a map linking places of equal temperature 2. Physics a curve on a graph that connects points of equal temperature isotherm [′ī·sə‚thərm] (geophysics) A line on a chart connecting all points of equal or constant temperature. (thermodynamics) A curve or formula showing the relationship between two variables, such as pressure and volume, when the temperature is held constant. Also known as isothermal. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The isotherms at 850 mb exhibit a considerable north-south gradient, particularly in Iowa, Missouri, and Illinois where temperatures range from +4[degrees] to -16[degrees]C. We propose an equation for determining the surface charge that allows the isotherms to be analyzed by a uniform criterion. Session 2 on Friday, June 20, will examine the choice of coating level, including the monolayer concept, determination of the actual requirement, the oil absorption (or packing fraction) method, viscosity reduction of a suspension, settling volume of a suspension, adsorption isotherms and empirical confirmation. |
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