Last week,President Obama and Russian President Dmitri Medvedev signed a nuclear arms agreement in the Czech Republic.

VOA: special.2010.04.17

If we think about that, that's a sigma bond, right, they're coming together along the nuclear axis.

如果我们考虑它的话，它是sigma键，对吧，它们沿着核轴方向靠近。

麻省理工公开课 - 化学原理课程节选

It's Huxley that said woe to the slaying of a beautiful theory by an ugly fact, nuclear collapse.

赫胥黎说过,一个美丽的理论,被丑陋的事实所抹杀，核坍塌，真是科学的悲剧。

麻省理工公开课 - 固态化学导论课程节选

People can get cancer from low doses of ionizing radiation, the kind released in a nuclear accident.

VOA: special.2011.03.16

Four times the number of pigs plus two times the number of chickens, assuming they're not next to a nuclear reactor, is 56.

其它还有什么呢？,4倍的猪的数量加上两倍的鸡的数量,考虑到它们不是住在核反应堆旁的。

麻省理工公开课 - 计算机科学及编程导论课程节选

"I firmly believe it is in Iran's interest not to develop nuclear weapons, because it would trigger a nuclear arms race in the Middle East and be profoundly destabilizing in all sorts of ways."

VOA: special.2009.05.23

It turns out, and we're going to get the idea of shielding, so it's not going to actually +18 feel that full plus 18, but it'll feel a whole lot more than it will just feel in terms of a hydrogen atom where we only have a nuclear charge of one.

结果是我们会有,屏蔽的想法,所以它不会是完整的，但是它会比原子核电荷量,吸引力要大很多,只有1的氢原子的。

麻省理工公开课 - 化学原理课程节选

Israel is believed to have a nuclear arsenal, but has not signed the Nuclear Non-Proliferation Treaty and is not subject to international inspections.

VOA: standard.2010.04.11

One thing I'd like to stress is that the history of technology is sometimes a history of very glamorous, unobvious ideas like nuclear power.

我想强调的一件事是,技术发展史有时是一种,令人着迷的潜藏的智慧发展史,就像核动力一样。

耶鲁公开课 - 金融市场课程节选

In a real nuclear attack, hundreds of thousands of people would have to be decontaminated from radiation.

VOA: standard.2010.07.21

So it's unlkely that there will be a nuclear confrontation ? between India and Pakistan?

所以印度和巴基斯坦之间,不太可能,出现核对抗了？

普林斯顿公开课 - 国际座谈会课程节选

The IAEA chief acknowledged Israel's concerns about a nuclear armed Iran or any other hostile country.

VOA: standard.2009.11.04

Even if a nuclear explosion took place and everything on earth got atomized and destroyed, through some bizzare science fiction chain reaction. They always do in the movies.

即使发生核爆炸,像某些离奇科幻小说里描述的，的连锁反应那样，一切都毁灭了,电影里经常可以看到的场面。

耶鲁公开课 - 死亡课程节选

Secretary Gates said if Iran develops a nuclear weapon, it would likely spark a nuclear arms race in the Middle East, creating more dangers for Iran than it has now.

VOA: standard.2009.12.12

And so, it's a very interesting play about the morality of developing nuclear weapons.

这是一部非常有意思的电影,讲的是不断发展的核武器的道德问题。

麻省理工公开课 - 固态化学导论课程节选

"As the only nuclear power to have used a nuclear weapon, the United States has a moral responsibility to act.

VOA: special.2009.04.11

There is a military aid, which is different, who carried what's called the 'football', which is a leather section that contains the highest classified communication equipment and nuclear codes.

有个军事助理，那是不同的，他负责拿着叫“足球”的东西，是个皮革的盒子,里面装着最高秘密等级的,通信设备,和原子弹设备。

普林斯顿公开课 - 国际座谈会课程节选

Western nations are concerned that Iran could use the missile technology to launch a nuclear weapon, which Iran is suspected of building.

VOA: special.2009.02.07

It's a nuclear model.

原子核模型。

麻省理工公开课 - 固态化学导论课程节选

The base played a part in the nuclear tensions between the United States and the Soviet Union.

VOA: special.2009.06.30

If the body view adds the no branching principle, then we can say,look,in the case of this sort of splitting-- This example is known in the to philosophical literature as fission, like nuclear fission when a big atom splits into two.

如果肉体理论加入无分支原则，我们就能说，在这种分裂的情况下-,这种分裂在哲学文献中叫做裂变，就像原子一分为二的核裂变。

耶鲁公开课 - 死亡课程节选

They increased economic actions against North Korea after it launched missiles and tested a nuclear device.

VOA: special.2009.08.08

PROFESSOR: Nuclear Engineering at Vassar, no for a variety of reasons. Any other guesses?

教授：去Vassar读核工程？,怎么可能！还有其他的猜测吗？

麻省理工公开课 - 化学原理课程节选

The president said groups like al-Qaida would surely use a nuclear weapon if they got one.

VOA: special.2010.04.17

President Obama and Prime Minister Netanyahu both spoke of the threat of a nuclear-armed Iran.

VOA: special.2009.05.23

Dr.Giuseppe Esposito is a nuclear medicine expert at Georgetown University Medical Center in Washington.

VOA: special.2011.03.02

Other wishes included working for a nuclear-free Korea and to defeat extremists in Afghanistan.

VOA: special.2009.09.05

In Washington, a military intelligence official told a Senate committee that Iran could be one year away from producing enough highly-enriched uranium for a nuclear weapon.

VOA: special.2010.04.17

It calls for America and Russia to each deploy a limit of one thousand five hundred fifty long-distance nuclear weapons -- a cut of about thirty percent.

VOA: special.2010.04.17

She was a top nuclear physicist who made many important discoveries.

VOA: special.2010.03.03