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synchronise    
v. 使同时一致[同步]

使同时一致[同步]


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  • Are specific heat and thermal conductivity related?
    For metals there is a connection between the thermal conductivity and electric conductivity (Wiedemann–Franz law) However specific heat is not directly related This is because electric and thermal conductivity are due to the electrons, however the specific heat is mostly due to the ion vibrations (phonons) Despite "classical" intuition electrons contribute almost nothing for specific heat
  • What is the difference between thermal conductivity and thermal . . .
    This is an excerpt from the book I'm referring to on the topic thermal diffusivity: The sentence in the green - isn't that what thermal conductivity tells, about how well thermal energy propagates or diffuses into the medium? The sentence in blue - just can't make sense Edit: Even though my question mentions 'rods', a more general explanation for difference between k and $\alpha$ will be
  • Why is rock or metal often cold to the touch but wood or plastic is not?
    The thermal diffusivity, which is part of the Fourier heat equation, is the thermal conductivity divided by the produce to density and specific heat It is a measure of a materials ability to transfer heat relative to its ability to store thermal energy
  • thermodynamics - Why does a larger thermal conductivity provide a . . .
    Fourier's tells us that if the heat transfer rate is kept constant, then a larger thermal conductivity provides a smaller temperature gradient I am confused about the physical reason behind this or I am just misunderstanding the definition of thermal conductivity
  • Why is glass a good conductor of heat? - Physics Stack Exchange
    This favors anharmonic processes, i e phonon-phonon interactions such as umklapp processes which severely limit the thermal conductivity See this reference for instance One of the ultimate goals of finding good thermoelectric materials, is to achieve a glass-like thermal conductivity
  • Is thermal conductivity additive? - Physics Stack Exchange
    Is thermal conductivity additive? Ask Question Asked 4 years, 1 month ago Modified 4 years, 1 month ago
  • thermodynamics - Does color have an effect on thermal conductivity . . .
    Does color have an effect on thermal conductivity? Ask Question Asked 5 years, 1 month ago Modified 4 years, 3 months ago
  • What is the Units for Thermal conductivity? - Physics Stack Exchange
    Thermal conductivity has dimensions of $\mathrm {Power (length * temperature)}$ Power is the rate of heat flow, (i e ) energy flow in a given time Length represents the thickness of the material the heat is flowing through, and temperature is the difference in temperature through which the heat is flowing In SI units, it is commonly expressed as $\mathrm {Watts (meter * Kelvin)}$, and
  • electricity - What is the distinction between thermal and electrical . . .
    Thermal conductivity relates to the propagation of heat, whereas electrical conductivity relates to the effective propagation of electric charge In the case of thermal conductivity, not only the electrons play a role in the conduction but also phonons or magnons contribute to it





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