| 摘要 |
The proposed device for displaying a surface which equation corresponds to the equation describing the state of ideal gas contains three transparent plates - a base plate and two side plates, which are joined at a right angle to each other, fiber material, and elements for designating the coordinateaxes for presenting such parameters as pressure, volume, and temperature. The base plate is shaped as a square. The side plates are shaped as an equilateral triangle, the legs of which are equal to the side of the square. The fiber material is arranged between the plates so that the material surface is described by the equation that corresponds to the equation describing the state of ideal gas. The pressure axis and the volume axis are arranged at the sides of the base plate, and the temperature axis is perpendicular of the plane of the base plate.
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