The president's second stop is at the General Motors plant that manufactures the Chevrolet Volt, an electric and gas-powered vehicle that some say might revolutionize the industry.

VOA: standard.2010.07.29

And the temperature scale that turns out to be well-defined and ends up giving us the concept of an absolute zero is the ideal gas thermometer.

比如理想气体温标,它有精确的定义,并能引出绝对零度的概念,今天我们就先来谈谈它。

麻省理工公开课 - 热力学与动力学课程节选

And if that's equal to zero, that means that the Joule-Thomson coefficient for an ideal gas is also equal to zero. We're going to actually prove this later in the course.

说明理想气体的,焦耳-汤姆逊系数也等于0。,详细的证明过程,会在以后的课上给出。

麻省理工公开课 - 热力学与动力学课程节选

Scientists warn that without an agreement to reduce so-called green house gas emissions, global temperatures will continue to rise, with the catastrophic consequences of extreme weather events, the spread of drought and disease, and the extinction of plant and animal species.

VOA: standard.2009.12.09

it's kind of like the Joule expansion, an ideal gas.

焦耳-汤姆逊膨胀过程相似。

麻省理工公开课 - 热力学与动力学课程节选

The draft joint statement also called for progress on ITGI, a Turkish-Greek gas pipeline taking gas to Italy, and for an extension of an oil transport system between Kazakhstan and Azerbaijan that "could be developed in the Mediterranean and the Black Sea region."

VOA: standard.2009.05.08