Let's imagine maybe instead we just immediately dropped the pressure let the system expand against the lower pressure.
现在假设,我们很快地降低压力,让系统在低的外压力下膨胀。
To get down to it, you have to cut away what is not true, what is inflated, beside the point, excess, ornament.
更直接点,你们要去掉不真实的,除了这点还有膨胀的,过量的和装饰的。
They're both expansions. They'll both have net work done on the surroundings, but not the same amount, right.
是不同的,他们都是膨胀,都对外做功,但数量不同,对吧?
There's a lot of imagery of swelling, of distortion and distention of the body that some critics point to her biography to explain.
在她的书中有许多关于身体肿胀、变形和膨胀的想象,一些评论人从她的自传中找到了解释。
And this goes back to the point I tried to make last time. Yes, the computers are really fast.
也会迅速膨胀,这就回到了我上次给大家讲的那一点。
Well, the polis straightens out crooked judgments, "gentles the swollen ambitions and puts an end to acts of divisional strife.
城邦平反了,歪曲不公的裁决,驯服了膨胀贪婪的野心,终结了分裂和冲突
Nationally, home prices in the United States rose 85% between 1997 and 2006 in real terms-- in inflation-corrected terms.
在通货膨胀已校正的条件下,美国房价,在1997 年到2006年之间,实质上上涨了85%
You don't wanna have it depreciate all the time, and that goes back to the bad old days of inflation.
想必没人愿意看它一直贬值下去吧,搞不好又回到了通货膨胀的灰色岁月。
As the fierce winds charged her belly, Her body was distended and her mouth was wide open.
这时邪风充满了她的肚子,她的身体膨胀起来,她的嘴长得很大。
We can just say religion excess, why?
我们可以就说这是宗教的膨胀,为什么呢?
Once there was a story on grade inflation that the Yale Daily News began by saying, " As Shelly Kagan So I know I've got at least the reputation of being a hard grader.
一旦有关于成绩膨胀的故事,耶鲁日间新闻会从下面这句话开始“,薛立·卡刚,这至少让我知道了,我有严厉这么个名声。
Real refrigerators actually work with liquids that go into gases so use the latent heat of the liquid, so it doesn't really work like the Joule-Thomson expansion. So this is real.
液体变成气体来工作,以运用液体的潜热,所以这不是,真正像焦耳-汤姆逊膨胀一样工作,这是真实的气体,不像焦耳。
T2 So this is an isotherm at some different temperature T2, a cooler temperature, because this was an expansion.
这个绝热过程的温度是,比T1低,因为这是个膨胀过程。
So central banks around the world began to manage became managers of inflation rather than defenders of a gold standard.
所以,世界各地的中央银行,开始管理,成为了通货膨胀的管理者,而不是金本位制度的守卫者。
So, I need to tell you how you're doing the expansion, because that's going to tell you how much energy you're wasting during that expansion.
所以我需要告诉你,膨胀是如何进行的,因为这会告诉你,在这次膨胀中,浪费了多少能量。
You would probably not even think to say, pay me 3% interest plus the rate of inflation over the next year.
你甚至可能根本不会想到说,支付3%的利息外加来年的通货膨胀率。
So the expansion against lower pressure draws less heat from the hot reservoir right.
所以压强较低时的膨胀,从高温热源吸收的热量更少。
This one turns out to be the heat capacity, and this one turns out to be something that we measure in the Joule-free expansion.
其实,这就是热容,这是焦耳自由膨胀实验中,我们要测量的物理量。
I think it's, but it's more complicated, but you're basically right, basically right.
它比不可逆膨胀更复杂,但是你的观点从原则上来说是对的。
Inflation rates had gotten very high even in Germany where anti-inflation sentiment was the highest.
通货膨胀率仍然很高,甚至在,反通货膨胀的情绪最高涨的德国。
The basic idea that's developed is that the Fed is looking at inflation and unemployment as the two major things that it looks at.
基本的观点是,美联储正在将通货膨胀和失业视为,两件重要的事情。
How do you look at the balance sheet to the Federal Reserve? It has ballooned.
你是怎么看待美联储的资产负债表的,它正像气球一样膨胀。
To cope with it, they urged human beings to restrain their overarching ambitions.
为了解决这一问题,希腊人力劝人们抑制过度膨胀的欲望
So the work that you're doing to expand, to go through this experiment, ends up cooling the gas.
因此在膨胀气体的过程中,气体降温。
Arthur Burns, chairman of the Fed, There's a big inflation run up to Richard Nixon's reelection in 1972.
亚瑟·伯恩斯,前美联储主席,当时出现了严重的通货膨胀,一直持续到1972年,理查德·尼克松连任总统。
How much energy are you going to get out, and how far are you going to be able to drive a car with this expansion, let's say, so that's the problem.
你能获得多少能量,利用这次膨胀,你可以把你的车开出多远,比如说这就是问题所在。
So war time periods were typically periods of great inflation and debasement of the currency.
所以,战争时期通常是,严重的通货膨胀,和货币改造的时期。
So the Joule free expansion involves opening this valve and asking what happens when this gas moves into the other bulb or distributes between the two.
焦耳自由膨胀就是,打开阀门后的过程,气体从一个腔跑到另一个腔,并在它们之间平均分配。
We had inflation rates in the United Kingdom on the order of 20% a year and people were asking ? what is going on in the UK?
我们在英国有,每年20%的通货膨胀率,然后人们还在问,英国正在发生什么?
The purpose here is to look at a series of processes in which temperature is held constant, and we're going to calculate how much work we get from allowing a gas to expand under various conditions.
目的是让大家了解一下,几个保持温度不变的过程,然后我们将计算,气体在不同膨胀过程中,的对外做功。
应用推荐