三相点是指在热力学里,可使一种物质三相(气相,液相,固相)共存的一个温度和压强的数值。举例来说,水的三相点在0.01℃(273.16K)及610.75Pa 出现;而汞的三相点在−38.8344℃及0.2MPa出现。
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水三相点 striple-point of water ; TPW ; water triple-point ; point of water
密封三相点容器 sealed triple point cell ; ell
三相点轨迹 triple point path
三相点温度 triple-point temperature ; triple point
水的三相点温度 the Triple point
水的三相点 triple point of water
氢平衡三相点 triple point of equilibrium hydrogen
三相点槽 triple-point cell
氢三相点 hydrogen triple point
从这里得到三相点是非常常见的。
It's a very common thing to get, the triple point from this.
这是三相点温度,这是三相点气压。
比如三相点。
So this unique temperature and unique pressure defines a triple point everywhere, and that's a great reference point.
这样,无论在何处,三相点都具有相同的温度和压强,十分适合来作参考点。
So the partial pressure or the pressure by which you have this triple point, happens to be 6.1 times 10 to the minus 3 bar.
而要小得多,事实上,水的三相点时的压强是6。1毫巴。
And our other reference point is the triple point of water - reference points become zero Kelvin, absolute zero, and the triple point.
而使用绝对零度,它与压强无关,是最低的温度,另一个参考点是水的三相点。
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