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And now we're almost done, except what we H really want is delta H and not delta U, right.
我们差不多已经完成了,除了我们实际上想要的是Δ
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somewhere within the U.S., the continental U.S.
去美国本土的某个地方。
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And the bigger lesson from that is that entropy, unlike energy u or enthalpy H, we could define an absolutely number for it.
热力学第三定律的一个更重要的推论是,与内能和自由焓不同，我们可以给上定义一个绝对的数值。
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This also came from a U.K. movement called the Building Society Movement, which spread to the U.S.
储贷协会也是源自英国的一场运动,叫做建房互助协会运动,同样也传到了美国
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Now remember that only appears in DNA and appears in RNA, and so can also form a hydrogen binding pair with .
还要记住T只出现在DNA中,而U出现在RNA中,U和A也可以通过氢键结合就可以了
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C-A-N-S-U An S in the side so Cansu, that was spelled C-A-N-S-U.
有一个S喔。
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We might ask for people from the U.S. and people outside the U.S.
也可以比较美国人和外国人的
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If you think of two towns down here, Brive,b-r-i-v-e,famous for its rugby, and Tulle,t-u-l-l-e,which is a capital.
如果你可以想起来这儿的两个城镇,布瑞福,b-r-i-v-e,以英式橄榄球运动而负有盛名,图勒,t-u-l-l-e,是一个省的首府
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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。
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Now, you know with constant volume, H now it's not going to be delta H that's U straightforward to measure, it's going to be dealt u, all right.
好，现在你们知道在体积恒定的条件下，我们得到的不是Δ,我们直接测量到的是Δ,好，但这基本上也是一样的。
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PROFESSOR BAWENDI: So the question was, for an isothermal expansion, delta u does not change, therefore, The answer is that's true only for an ideal gas.
你的问题是，在等温过程中，内能是否，这只对理想气体成立。
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Because the U.S. is an arguably very successful country, so we have, potentially, a bias in--it's called a selection bias.
因为毫无疑问美国是个很成功的国家,因此我们的潜意识中,存在选择性偏差
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This curve here with the square shows you how many millions of vaccine doses were distributed across the U.S.
这个带方形的曲线图显示了,在美国数以百万计的,疫苗是如何使用的
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So something the Germans used on their U-boats and the output of that is a scrambled message.
德国人在他们的U型潜水艇所用到的东西的输出,是一个加密消息。
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When I was working in a place called Tulle, which is down here--t-u-l-l-e, not Tours, but Tulle-- I knew vaguely that there had been a massacre there in June sixth, 1944, and a lot of people had been hung.
我在一个叫蒂勒的地方工作的时候,在这里t-u-l-l-e,不是图尔是蒂勒,我大概记得,在1944年六月六号那里有个大屠杀,很多人被吊死了
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U OK, so let's look at delta u. Delta u is q plus w.
好的，让我们看看Δ
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