The experiment said the gas didn't increase its temperature when it expanded the vacuum.

这个实验说明，当气体在向真空膨胀的过程中，其温度没有升高。

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The temperature remained constant while pressure was a variable in the experiment.

做这实验时温度保持不变，但压力可变。

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Another experiment would be to mix two chemicals together and put a thermometer in and measure the temperature.

另一个实验是将两种化学物质放在一起测量混合物的温度。

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I want to cool a gas with a Joule-Thomson experiment, what temperature do I have to be at?

给气体降温时,需要到达什么温度？

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Another experiment would be to mix two chemicals together and put a thermometer in and measure the temperature.

比方说做这样一个试验,将两种化学试剂混合然后测定反应温度

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And so an experiment said the gas didn't increase its temperature when it expanded the vacuum.

这个实验告诉你,气体在向真空膨胀的过程,中温度没有升高。

麻省理工公开课 - 热力学与动力学课程节选

In their latest experiment, Dr Sullivan and his colleagues painted the blades of a rotor with both temperature-and pressure-sensing paints, shone laser light on to them, and mapped out the temperatures and pressures as the blades whirred around as fast as 14, 000 rotations per minute.

ECONOMIST: Pressure paints

There are still hurdles to be overcome, including understanding the mechanism of high temperature superconductivity in Bednorz and Mueller's ceramics, which despite years of experiment still eludes us.

BBC: Last Updated: Monday, 5 March 2007, 08:38 GMT