"For example in Rwanda, where cell phone-based technologies are being used to keep track of dispensation of drugs to patients with H.I.V.

VOA: special.2010.05.03

And we give different names, depending on what kind of electrons we're dealing with, so, for example, with h c l here, we can talk about having bonded versus lone pair electrons.

我们还起了不同的名字，给我们要处理的不同类型的电子，以氯化氢为例，我们来介绍一下成键电子与孤对电子。

麻省理工公开课 - 化学原理课程节选

At the end of the day that's where Alexander H. Stephens went, with his Cornerstone Speech in 1861.

最后,就在那里,亚历山大斯蒂芬斯,于1861年完成了著名的基石演讲

耶鲁公开课 - 美国内战与重建课程节选

And a program in Peru sends text messages to patients with H.I.V., reminding them to take their medicines.

VOA: special.2010.05.03

H2 So the simplest case we can think of is with h 2 where we have two unpaired electrons, each in a 1 s orbital of a separate h atom.

最容易想到的例子是2,我们有两个未配对电子，每个都在一个分开的1s轨道上。

麻省理工公开课 - 化学原理课程节选

The event has not taken place here since nineteen ninety because of restrictions against visitors with H.I.V.

VOA: special.2009.12.02

And if you work out the energetics as we've gone with thermochemistry, dH you discover there's a huge negative delta H.

如果你计算能量变化,就像在化学热力学中所作的一样，你会发现很大的负的。

麻省理工公开课 - 热力学与动力学课程节选

South Africa has more than five million people infected with H.I.V., the largest number of any country.

VOA: special.2009.07.29

Why didn't they keep right on going with G, H, I, J, K, L, M, N, O, P?

为什么他们不接着写下去呢,按照字母表

耶鲁公开课 - 聆听音乐课程节选

Along with H.I.V., South Africa also has high rates of diabetes, high blood pressure and tuberculosis.

VOA: special.2010.04.28

Edgar Lee Masters They are Dreiser, Edgar Lee Masters Lewis H.L. Mencken, Anderson, and Lewis: all American writers. Compare that with the catalog that he gives of his reading on 249, and you'll see what's being elided.

有德莱塞,门肯，Anderson和：,对比一下,他在249页讲的那类作家，你们会发现他隐去了一些内容。

耶鲁公开课 - 1945年后的美国小说课程节选

Yet treatments and population growth mean that more people than ever are living with H.I.V.

VOA: special.2009.12.08

And one thing I want to tell you to start out with is something about this c h 3 group here.

有一点需要告诉大家的是,从这个一个碳原子和三个氢原子的组合开始。

麻省理工公开课 - 化学原理课程节选

Also at the conference, scientists presented the latest findings about new mothers infected with H.I.V.

VOA: special.2009.07.29

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。

麻省理工公开课 - 热力学与动力学课程节选

from mother to child. She noted a United Nations report that in two thousand eight about four hundred thirty thousand babies were born with H.I.V.

VOA: special.2010.05.24

So, we see that the two h atoms separate have a certain energy that's lower than when the electron's not with the atom.

那么，我们看到两个分开的氢原子所具有的能量,比原子中没有电子时更低。

麻省理工公开课 - 化学原理课程节选

In addition,almost half a million people who were infected with tuberculosis and with H.I.V.also died.

VOA: special.2009.03.25

So, I just want to write a few examples down with a few values for delta u or delta H or delta S, and see whether we can get any clues from what we see.

我先写一些例子,例子包含一些内能，自由焓和熵的变化数值，然后看从中,我们能不能得到一些启示。

麻省理工公开课 - 热力学与动力学课程节选

Treatments and population growth mean more people than ever are living with H.I.V.

VOA: special.2009.12.02

But how do we get to 1861 and that secession crisis with Alexander H. Stephens delivering this Cornerstone Speech, declaring that, "Hey folks, it's all about slavery and its preservation?"

但事情怎么会演变到1861年那样,乃至之后的分离危机,亚历山大为何能在这篇演讲中,宣称,"嘿,伙计们,今天我要讲的是奴隶制和对其保护"

耶鲁公开课 - 美国内战与重建课程节选

We have to make all South Africans that people living with H.I.V.

VOA: special.2010.04.28

And h with the carrot or the hat here, well, that carrot or hat tell us it must be an operator, and this is called the Hamiltonian operator.

而且带帽的H，好，这个帽告诉我们它肯定是一个算符，这个被称为哈密顿算符。

麻省理工公开课 - 化学原理课程节选

South Africa has the most people living with H.I.V.of any nation.

VOA: special.2010.04.28

Therefore, from experiments, u is only a function of temperature for an ideal gas, H and therefore from these experiments, 0 we come out with delta H dH/dp is equal to zero.

因此，从实验可以得出,对于理想气体u只是温度的态函数，因此从这些实验中我们得到Δ,偏H偏p等于。

麻省理工公开课 - 热力学与动力学课程节选

About two-thirds of the people with H.I.V.

VOA: special.2009.12.02

So, you might ask, this looks pretty simple up here, right, just with that h hat.

所以，你们可能会问，这个看起来太简单了，对，仅仅是。

麻省理工公开课 - 化学原理课程节选

Doctor Fukuda, an acting assistant director-general, said the W.H.O.has been working with the member states to prepare for a pandemic.

VOA: special.2009.06.10

So if you're working with cyanide in the lab as potassium cyanide or sodium cyanide, those are what are called p h s's, it's a rating for different kinds of chemicals.

因此如果你在实验室中,需要用到氰化物，比如氰化钾或者氰化钠，这就是所谓的，“P，H，S“,这是化学药品有害程度的一个级别。

麻省理工公开课 - 化学原理课程节选

Last time I began with Alexander H. Stephens's famous Cornerstone Speech in 1861, the famous passage by the Vice-President of the Confederacy declaring slavery the cornerstone of the Confederate Movement.

上次我说到亚历山大·H·史蒂芬,1861年著名的奠基石演讲,就是那个邦联副总统做的讲话,声称奴隶制是邦联运动的奠基石

耶鲁公开课 - 美国内战与重建课程节选