“dilatometer”的概念、定义、翻译、参考文献-科学参考

dilatometer

Physics

A device for measuring the cubic expansivities of liquids. It consists of a bulb of known volume joined to a graduated capillary tube, which is closed at the top to prevent evaporation. A known mass of liquid is introduced into the device, which is submerged in a bath maintained at different temperatures t₁ and t₂. The two volumes corresponding to these temperatures, V₁ and V₂, are read off the calibrated stem. The value of the cubic expansivity (γ‎) is then given by
$γ = (V_{2} - V_{1}) / V_{1} (t_{2} - t_{1}) .$

单词	dilatometer
释义	dilatometer Physics A device for measuring the cubic expansivities of liquids. It consists of a bulb of known volume joined to a graduated capillary tube, which is closed at the top to prevent evaporation. A known mass of liquid is introduced into the device, which is submerged in a bath maintained at different temperatures t₁ and t₂. The two volumes corresponding to these temperatures, V₁ and V₂, are read off the calibrated stem. The value of the cubic expansivity (γ‎) is then given by $γ = (V_{2} - V_{1}) / V_{1} (t_{2} - t_{1}) .$
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