Over the years, big oil and gas companies recovered much of the easily reached supplies of gas in America.

VOA: special.2009.10.23

I'm going to write it like this three moles of hydrogen which is a gas one bar 100 degrees Celsius.

我会写成这样：,三摩尔氢分子，气体,1巴，100摄氏度。

麻省理工公开课 - 热力学与动力学课程节选

For a real gas it depends on more than the temperature STUDENT: Are there any other constraints similar to that .

而对实际气体，这是不对的,它的内能不仅仅依赖于温度,学生：有其他,类似的约束吗？

麻省理工公开课 - 热力学与动力学课程节选

They should get out and clear space around the vehicle to prevent the possibility of carbon monoxide gas poisoning.

VOA: special.2010.01.05

Let's look at the energetics of one of those electrons crashing into a hydrogen atom inside the gas tube.

我们一起来考察一下,其中的一个电子的能量,在阴极射线管中,撞击到氢原子上。

麻省理工公开课 - 固态化学导论课程节选

He made several stops for gas and a few hours rest before flying across the Bering Sea to Alaska.

VOA: special.2009.03.18

No one was injured in a blast which was attributed to the buildup of gas by one town official."

镇政府天然气泄漏导致爆炸,所幸并无一人受伤",因而并无人员在爆炸中受伤]

耶鲁公开课 - 心理学导论课程节选

At the end of March, President Obama called for the United States to expand its offshore oil and gas exploration.

VOA: special.2010.05.01

the subject is accepted and extended "You'd win the war with a new kind of poison gas!"

大家喜欢这内容，因而继续,“你在一次新型毒气战争中胜出“

耶鲁公开课 - 1945年后的美国小说课程节选

Greenhouse gas emissions, such as carbon dioxide, are created in part by burning oil and coal for transportation and electricity.

VOA: special.2009.12.26

So when I expand this gas adiabatically and it cools down, why do you think it might cool down?

现在我们知道了气体绝热膨胀时,温度会下载，为什么会降温？

麻省理工公开课 - 热力学与动力学课程节选

Mr. Reid noted that: "Our galaxy probably has 4, not 2, spiral arms of gas and dust that are forming stars."

VOA: special.2009.01.20

We talked about this reaction here where we had chloride ion in the gas phase plus sodium ion in the gas phase.

我们在讨论这一个反应,我们有气相的氯原子,与气相的钠原子接触。

麻省理工公开课 - 固态化学导论课程节选

It was not until Henry Ford's gas-powered Model T that the internal combustion engine and the car became inseparable.

VOA: special.2010.11.17

And then I am going to take sodium gas and I am going to make this into sodium gas plus electron.

接下来，将气态的钠,转化为,带正电的气态钠。

麻省理工公开课 - 固态化学导论课程节选

They say many people die or are injured by the gas because they do not use these devices correctly.

VOA: special.2010.02.02

This is the diagram taken right from your text, there are the two electrodes coming in and this is atomic hydrogen in the gas tube.

这是从教科书上复制下来的图表，这里有两个电极进来,这是气体管中的氢原子。

麻省理工公开课 - 固态化学导论课程节选

So energy expert Eric Potter says it is too early to know how the new gas shale reserves will affect the market.

VOA: special.2009.10.23

This needs to be stressed that this is the ideal gas case. Now regular gases, real gases fortunately as I said, don't obey this.

需要强调的是这是对理想气体而言的,普通气体，真实气体，就像我说过的,不遵循这个规律，这是非常重要的。

麻省理工公开课 - 热力学与动力学课程节选

These areas, called cosmic masers, are rich in gas molecules that have the effect of strengthening radio waves.

VOA: special.2009.01.20

Now, we saw before, or really I should say we accepted before, that for an ideal gas, u was a function of temperature only.

我们已经看到,或者说我们已经接受这样一个事实，即理想气体的内能只和温度有关。

麻省理工公开课 - 热力学与动力学课程节选

However,each time a plant takes in one molecule of carbon dioxide gas, it loses hundreds of water molecules.

VOA: special.2010.01.26

You're allowed Cv comes out here for this adiabatic expansion, which is not a constant volume only because this is always true for an ideal gas.

绝热过程写下,这个式子是因为它对理想气体都成立，并没有用到等容过程的条件,只用了理想气体的条件。

麻省理工公开课 - 热力学与动力学课程节选

"No you can't. The gas company turned it off." "Now,what I'm telling you is for your own good.

VOA: special.2009.07.19

This quantity is exactly zero for an ideal gas and we'll discover why eventually it has to do with what we mean by an ideal gas it turns out.

对理想气体它是零,这点我们接下来会知道是,为什么，这与为什么我们叫它理想气体有关。

麻省理工公开课 - 热力学与动力学课程节选

He says more than half the gas in the United States is now coming from these new reserves.

VOA: special.2009.10.23

All right, then as I push through, I'm going to start with all of my gas on this side, and at the end I'm going to have all the gas on the other side.

好的，随着我的推动,刚开始这些气体全在这一边,到了最后，这些气体全在另一边。

麻省理工公开课 - 热力学与动力学课程节选

Natural gas is considered the cleanest of the fossil fuels, the fuels created by plant and animal remains over millions of years.

VOA: special.2009.10.23

Here just two, so we changed the number of moles of gas by three. All right, how much did it matter, right?

所以我们将气体的摩尔数,改变了3摩尔，好，它会起多大作用？

麻省理工公开课 - 热力学与动力学课程节选

du, it's an ideal gas. So this is Cv dT and of UB course we can just integrate this straight away.

因此这是CvdT，当然我们可以,直接算出这个积分，那么△

麻省理工公开课 - 热力学与动力学课程节选