题目内容
The rate of heat conduction through a plane layer is inversely proportional to _______ .
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In _______ , it is due to the combination of vibrations of the molecules in a lattice and the energy transport by free electrons.
Heat transfer processes that involve change of phase of a fluid are considered to be _______ because of the fluid motion induced during the process.
If the temperature of the liquid is lower than the saturation temperature for the existing pressure, it is called a saturation liquid.()
Thermodynamics deals with systems in equilibrium; it may be used to predict the amount of energy required to change a system from one equilibrium state to another.()
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