Offer them fifty thousand dollars in savings bonds and the ceremonial title of "America's Top Young Scientist."

VOA: special.2009.10.15

So either a potassium cyanide or sodium cyanide, these are used in synthesis in terms of making carbon-carbon bonds.

因此无论是氰化钾还是氰化钠，都被用来在合成过程中,制造碳碳键。

麻省理工公开课 - 化学原理课程节选

So we started with 10 valence electrons, we used up 8 of those electrons in terms of making bonds.

我们一开始有十个价电子，然后用掉了八个电子来成键。

麻省理工公开课 - 化学原理课程节选

Islamic bonds can be structured in different ways, but a major idea is shared profit and loss.

VOA: special.2009.12.11

Methane, there are certainly some solid bonds there, but breaking those to form CO2 and water, well it's worth it, right, energetically.

酒精中的确含有很强的化学键，但是打断这些化学键然后生成二氧化碳和水，从能量上来看是值得的。

麻省理工公开课 - 热力学与动力学课程节选

About six billion of it is in Islamic bonds, including a three and a half billion dollar bond set for repayment on Monday.

VOA: special.2009.12.11

Now, remember, the formation of the ionic bonds was from group one and group two, and over here with group six and seven.

现在请记住，离子键的形成,从第一族和第二族元素，与六七主族的元素相互构成的。

麻省理工公开课 - 固态化学导论课程节选

They could return no money to the thousands of people who had bought railroad bonds.

VOA: special.2010.02.25

There's not actually chemical covalent bonds that are formed but it's a non-covalent interaction, usually dominated by hydrogen bonding.

所以配体和受体之间不生成共价键,这是一种非共价化合反应,它们通常以氢键相联

耶鲁公开课 - 生物医学工程探索课程节选

The Fed will also buy up to three hundred billion dollars of long-term Treasury bonds.

VOA: special.2009.03.20

That's got the lowest possible standard deviation of expected return and that's 25% stocks and 75% bonds with this sample period.

这个组合预期回报的标准差最小,在这一点上，投资组合,由25%的股票和75%的债券构成。

耶鲁公开课 - 金融市场课程节选

But the Treasury Department cannot borrow more money by selling bonds unless Congress acts.

VOA: special.2011.04.16

So let's have a clicker question here on how many total pi bonds do you expect to see in benzene?

让我们来做个课堂习题,你们觉得苯环里有一共多少个π键？

麻省理工公开课 - 化学原理课程节选

Businessmen and rich landowners had put their money in Confederate bonds, now completely worthless.

VOA: special.2010.01.14

So we can have four total hydrogens bonding here, - and we can think about how to describe these carbon- carbon bonds.

我们这里一共有四个氢原子成键，我们可以考虑怎么来-,描述碳碳键。

麻省理工公开课 - 化学原理课程节选

Though passion may have strained, it must not break our bonds of affection.

VOA: special.2009.02.09

And if we put that in our bond here, we have 1, 2, 3 bonds, plus we have one lone pair left over.

如果我们把它们放到键里，我们有1，2，3个键，还剩下一对孤对在这里。

麻省理工公开课 - 化学原理课程节选

"What was different about the Irish approach was that all deposits were guaranteed and bondholders,investors that had bought bonds in these banks, also received the government guarantee.

VOA: special.2010.11.26

You apply a force and the material will resist it until you have a force great enough to break the bonds.

如何你对它施加一个外力，材料能够承受,除非这个外力足够强大去打破键。

麻省理工公开课 - 固态化学导论课程节选

Though passion may have strained it must not break our bonds of affection.

VOA: special.2009.01.19

If the bonding energy is very strongly negative, thermal energy isn't great enough to disrupt those bonds and allow those bonds to be broken and then have fluidity.

如果键能非常强，热能并不足以,打破这些化学键,破坏这些化学键,并使它们液化。

麻省理工公开课 - 固态化学导论课程节选

He planned to sell one hundred million dollars' worth of railroad bonds.

VOA: special.2010.02.25

If these bonds were all completely of equal distance apart, whether is was a lone pair or bonding electrons, 5° the angles would be 109 . 5 degrees.

如果不管它是孤对，还是成键，它们等距分开的话，键角是109。

麻省理工公开课 - 化学原理课程节选

But Cooke was unable to sell as many bonds as he expected.

VOA: special.2010.02.25

So in addition to having these two carbon bonds, we actually also have four carbon hydrogen bonds in addition to our carbon-carbon bonds.

在这碳碳之间的键以外，我们还有四个碳氢键,除了我们的碳碳键外。

麻省理工公开课 - 化学原理课程节选

Ghiyath Nakshbendi explains what that means with Islamic bonds, called sukuk.

VOA: special.2009.12.11

The second way to have something that is net nonpolar is to have spatially symmetric disposition of polar bonds.

第二种构成,需要空间非极性,就是需要极性键的空间对称分布。

麻省理工公开课 - 固态化学导论课程节选

If your disposal of the money in question has been sensible, wise, or unselfish, it is in our power to give you bonds to the value of fifty thousand dollars.

VOA: special.2011.08.13

Underlying this analysis, we have estimates of the expected returns on assets, notably, the expected returns on stocks and bonds.

凭借这个分析，我们可以估算出资产预期投资收益，特别是股票和债券的预期收益。

耶鲁公开课 - 金融市场课程节选

Lo and behold, their bonds would go up because people had discovered that you might be entitled to par.

你可以发现，他们的债券价格会上升因为人们,已经发现你可能有权以票面价值。

耶鲁公开课 - 金融市场课程节选