The World Health Organization says Africa is behind other parts of the world in treating H.I.V./AIDS, tuberculosis and malaria.

VOA: special.2009.06.17

So we'll take h 2 and we'll run -- or actually we'll have h 2 filled in an evacuated glass tube.

我们马上就会在氢原子上试一试,我们用氢气-我们把玻璃管充满氢气。

麻省理工公开课 - 化学原理课程节选

There's H&M which I can go into in and actually shop that. But

我可以去 H&M，也可以在那儿购物。但是，

小心超额消费 - SpeakingMax英语口语达人

The experts say estimates of new H.I.V.infections are down by about fifteen percent in Africa, south of the Sahara Desert.

VOA: special.2009.12.08

So when we talk about orbitals in multi-electron atoms, they're actually lower in energy than the corresponding h atom orbitals.

它们的能量实际上,比对应的氢,原子轨道要低。

麻省理工公开课 - 化学原理课程节选

She researched some of the places Darwin visited on his trip on the ship H.M.S.Beagle in the eighteen thirties.

VOA: special.2009.02.27

That is going to equal the energy of the electrons in H2 minus the energies of the electrons in H.

这等于H2分子的能量2,减去H原子中电子的能量。

麻省理工公开课 - 固态化学导论课程节选

These included questions from Rwandan students about subjects like drug use, H.I.V./AIDS and girls in school who get pregnant.

VOA: special.2009.11.12

Delta u, delta H, familiar state functions, q w changes in their values, q, w, heat and work.

U，△H，很熟悉的态函数，它们的值在变化；

麻省理工公开课 - 热力学与动力学课程节选

But in the last twenty years, H.I.V.and the collapse of the Soviet Union helped raise death rates in thirty-seven countries worldwide.

VOA: special.2010.05.05

printf That's not actually where someone implemented print F and related functions, rather, in dot H files, by convention, are prototypes.

那实际不是有某人在哪里执行,相关函数，而是在，h文件中，按照惯例，它们是函数原型。

哈佛公开课 - 计算机科学课程节选

He says Poe's influence can also be seen in the work of H.G.Wells and Alfred Hitchcock,to name a few.

VOA: special.2009.02.02

One thinks of D. H. Lawrence's Sons and Lovers, for example, in which the central character, Paul Morel, is crippled by an Oedipus complex that he can't master and the difficulties and complications of the plot are of this kind.

拿D。H。劳伦斯的《儿子与情人》来说，里面的核心人物保罗，被自己不能控制的俄狄浦斯情节困扰,复杂多变的情节也就由此展开。

耶鲁公开课 - 文学理论导论课程节选

In the past,the W.H.O.and experts with America's Centers for Disease Control and Prevention noted guidance for disease spread on airplanes.

VOA: special.2009.07.14

So notice a difference in these structures, is this has an n h bond whereas this has an o h bond.

注意它们之间的有一点不同，那就是一个有氮氢键,而另一个有氧氢键。

麻省理工公开课 - 化学原理课程节选

Also in Kenya, a video game is being tested as another way to teach young people to avoid H.I.V.

VOA: special.2009.03.16

So, why don't you go ahead and tell me, keeping that in mind, which atom in terms of h c or n would you expect to be in the center of hydrogen cyanide?

那么，请大家来告诉我，并且记住它，你认为氢，碳和氮中哪个原子,应该在氰化氢的中间呢？

麻省理工公开课 - 化学原理课程节选

Also in the top ten causes were infections, including tuberculosis and H.I.V./AIDS, as well as drowning and fire-related deaths.

VOA: special.2009.09.28

So our skeleton tells us that carbon is in the middle, so we'll put the h on one side, and the n on the other side there.

我们的骨架告诉我们碳原子应该放在中间，因此我们把氢原子放在一边，把氮原子放在另外一边。

麻省理工公开课 - 化学原理课程节选

W.H.O.special adviser Keiji Fukuda reported earlier this month that the virus has acted in some ways like seasonal flu.

VOA: special.2009.11.24

And thanks to Professor Hess, I can now say that the total energy delta H In other words, delta H formation of sodium chloride should be independent of paths.

感谢道盖斯教授，我们可以认为，这整体过程,氯化钠的化合能,与路径无关。

麻省理工公开课 - 固态化学导论课程节选

In other new research, a study has found that circumcision does not decrease the risk that H.I.V.positive men will infect women.

VOA: special.2009.07.29

include cs50 h But this says include and this says include a file called cs50.h that lives in some special place on the server that the cs50 staff wrote.

这里写在,众所周知，cs50，h是由CS50的员工,编写的一个库文件。

哈佛公开课 - 计算机科学课程节选

The W.H.O.estimates that up to thirty percent of the medicines on sale in many of those countries are counterfeit.

VOA: special.2010.02.22

And that in the case of constant volume, U in this case that's my delta u, and then I'll H add my little delta n term to get delta H.

这是在等体情形下，此时的到的是Δ,然后我可以加上Δn的项来得到Δ

麻省理工公开课 - 热力学与动力学课程节选

W.H.O.special adviser Keiji Fukuda said last week that the virus has continued to act in some ways like seasonal flu.

VOA: special.2009.11.11

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

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

And in doing that, we'll also talk about the shapes of h atom wave functions, specifically the shapes of orbitals, and then radial probability distribution, which will make sense when we get to it.

为了这样做，我们要讲一讲，氢原子，波函数的形状，特别是轨道的形状，然后要讲到径向概率分布，当我们讲到它时，你们更能理解。

麻省理工公开课 - 化学原理课程节选

So, in talking about covalent bonds, we should be able to still apply a more general definition of a chemical bond, which should tell us that the h 2 molecule is going to be lower in energy than if we looked at 2 separate hydrogen atom molecules.

那么，既然提到了共价键，我们应该还可以,给化学键下一个更普遍的定义,那就是告诉我们氢分子能量应该更低,与两个分开的氢的单原子分子相比。

麻省理工公开课 - 化学原理课程节选