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Some of their work involved X-rays produced by particle accelerators, devices that bring atomic particles into high energies.
VOA: special.2009.12.08
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He could divide all of that by the absolute value of the charge of the positive particle, all over the mass of the positive particle.
他可以把这整个,除以正电粒子的,电荷绝对值除以，正电粒子的质量。
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So this validates de Broglie and it also validates the whole concept of wave-particle duality.
这就证实了德布罗意的观点,也证实了,波粒二象性的原理。
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When a light particle,or photon, hits an electron, the electron jumps to a higher energy state.
VOA: special.2010.09.01
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So you're basically having a wave equation for a particle, and for our purposes we're talking about a very particular particle. What we're interested in is the electron.
所以你们主要有,一个粒子的波动方程，我们的目的是考虑一个特殊的粒子,我们感兴趣的是电子。
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Michael Barnett is a physicist at the Lawrence Berkeley Laboratory in California and one of the people behind The Particle Adventure.
VOA: standard.2010.03.05
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When you want a point particle, if you wake up and find a point particle on your bed, what's your reaction?
当你想要一个质点,想当你醒来时发现一个质点在你的床上,你是什么反应
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It says climate change models show particle-producing fires will continue to increase in both frequency and intensity with rising global temperatures.
VOA: standard.2009.03.23
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But what's interesting is when they're actually there, essentially, if this is a magnetic particle, 1 you can actually represent zeros and ones pretty easily.
有意思的是当它们分布在那里，如果这是一个磁性粒子，你能很容易的用它代表0或者。
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There's another path by which they can learn about accelerators and particle detectors essentially, how do we know any of this.
VOA: standard.2010.03.05
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If de Broglie is correct, we could then model the electron in its orbit not moving as a particle, but let's model it as a wave.
如果德布罗意是对的，那么我们可以在电子轨道中建立电子模型,不是像粒子一样运动，而是像波一样运动。
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"Essentially,The Particle Adventure is an interactive tour of the world of quarks, neutrinos,antimatter, extra dimensions,dark matter, Higgs boson, as well as accelerators and particle detectors."
VOA: standard.2010.03.05
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I have shown you yesterday that the speed of the particle as it goes around the circle is this .
我昨天讲过,质点做圆周运动的速率等于这个
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The Large Hadron Collider, of course,is the world's largest particle accelerator located near Geneva.
VOA: standard.2010.03.05
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What we had just done a clicker question on is discussing light as a particle and the photoelectric effect, so we're going to finish up with a few points about the photoelectric effect today.
我们刚才做得课堂表决器那个问题,是讨论光作为一个粒子以及光电效应，所以今天我们将以一些,关于光电效应的观点作为结束。
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More powerful particle accelerators atom smashers, they used to call them have allowed physicists to learn ever more about the sub-atomic particles that are the basic building blocks of all matter.
VOA: standard.2010.03.05
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So, it turns out that the photoelectric effect is not the only evidence for the fact that light has these particle-like characteristics.
所以，原来是光电效应,不是唯一的证明光具有,粒子特性的证据。
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For a free and highly readable introduction to the world of particle physics available in 15 languages as well as English transport yourself to particleadventure.org, or visit our site,VOAnews.com, for the link to this and hundredsof other Websites of the Week.
VOA: standard.2010.03.05
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If a proton which has no mass can behave as a particle does it follow that an electron which has mass can behave as a wave?
如果一个没质量的光子能像粒子一样,具有质量的电子能否,表现得像波一样吗？
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The answer is that simply knowing the particle has an acceleration is not enough to tell you where the particle will be.
答案是这样的,仅仅知道质点的加速度,是不足以告诉你它接下来的运动的
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If I gave you the location of a particle as a function of time, you can find the velocity by taking derivatives.
如果我给出物体的位移是时间的函数,你可以通过求导来得到速度
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So, we'll take a little bit of a step back after we introduce quantum mechanics, and talk about light as a wave, and the characteristic of waves, and then light as a particle. And one example of this is in the photoelectric effect.
等我们介绍完量子力学后,我们要回过头来讨论下光,作为一种波和它的波动性特征,以及光作为一种粒子,其中的一个粒子就是光电效应。
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If a photon which has no mass can behave as a particle, does it follow then an electron which has mass can behave as a wave? 1920.
如果一个没有质量的光子,能像粒子一样运动，那么它能像一个,没有质量的电子那样以波的形式运动吗。
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And there is no way to explain this phenomenon if you model the water as having particle-like properties.
没有其他的方法来解释这种现象,除非认为,水是一种具有粒子的性质。
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But before we get to that, in terms of thinking just think, OK, this is representing my particle, this is representing my electron that's what the wave function is.
但是在我们谈论那个部分之前，在理解方面，仅仅是理解，好的，它代表了粒子，它代表了电子,这就是波函数。
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If a photon, which has no mass, can behave as a particle --And we know this.
如果一个没有质量的光子，像粒子一样运动--，我们知道这个。
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And I am saying electron, but more generally it applies to any incident particle.
我说的是电子，但根通俗的来说它就是,入射粒子。
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So, the father gets a Nobel Prize for showing that an electron is a particle, and the son says, well, what can I do to top that?
他的父亲因为发现电子是粒子,而拿到了诺贝尔奖，那么儿子说，好，我能做些什么超越父亲的发现呢？
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You want to get the contract for Johnny Fontaine, you don't tell your consiglieri, "Hey Tom, put a point particle on Jack's bed."
约翰尼·方丹为电影《教父》中的角色,影片中有杀马恐吓的情节
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So, what I'll ask is can you stand up if you had your particle bounce back?
有13个背散射,助教们？
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