• Some of their work involved X-rays produced by particle accelerators, devices that bring atomic particles into high energies.

    VOA: special.2009.12.08

  • So, when the voltage difference between the plates is zero, or when we just don't have the plates there at all, the cathode rays are not bent, they just go right in a straight line, and they can be detected on this screen.

    拐弯来测试它们是否带电,当两板之间电压为零,或者根本就,没有这两个板时,阴极射线是一条直线,它可以在屏幕上。

    麻省理工公开课 - 化学原理课程节选

  • Sometimes we model light as beams of light, as rays of light.

    有时候我们把光看成光束模型,看成光射线。

    麻省理工公开课 - 固态化学导论课程节选

  • When clothing is wet or stretched, however, it lets more U-V rays pass through.

    VOA: special.2010.07.06

  • The "sacred rays of chastity" are going to be emanating from the chaste maiden and protecting her like some magical force-field, and actually will keep her safe from the physical assaults of a savage bandit or a mountaineer.

    贞节发出的神圣光芒“将要,从这贞节的修女身上发出并像某种神奇的力量一样保护她,而事实上还会保护她,使她不受来自,野蛮土匪或是登山者的身体袭击。

    耶鲁公开课 - 弥尔顿课程节选

  • C.D.C.officials say U-V rays can damage your skin in as little as fifteen minutes.

    VOA: special.2010.07.06

  • PROFESSOR: Yeah, that's right. So, what we have here, cathode rays we now know are negatively charged particles. And, in fact, he named these negatively charged particles. Does anyone know what he named them? No, not electrons - very good guess. He named them corpuscles.

    学生:负电,教授:是的,我们现在知道,阴极射线是带负电的粒子,实际上他还给这些,带负电的粒子去了一个名字,有谁知道叫什么吗?

    麻省理工公开课 - 化学原理课程节选

  • It also has two manta rays, the only ones in an American aquarium.

    VOA: special.2009.09.18

  • How do I posit-- why do I believe in x-rays, even though I don't see them?

    我如何证实,我为什么会相信X射线是存在的,尽管我压根看不见它

    耶鲁公开课 - 死亡课程节选

  • Physicists use super-powerful magnets to speed particles and control radiation like X-rays.

    VOA: special.2010.10.08

  • Funny story, I met him because at MIT they signed us all up for chest x-rays alphabetically-- that's the way MIT does things, an orderly way.

    有趣的是,我在MIT遇到他是因为,我们按姓氏字母顺序,排队去照胸透,MIT做事总是用这种有条理的方式

    耶鲁公开课 - 金融市场课程节选

  • During the summer, the most dangerous period for U-V rays in the United States mainland is between the hours of ten in the morning and four in the afternoon.

    VOA: special.2010.07.06

  • For, as Rutherford has shown the assumption of the existence of nuclei, as those in question seems to be necessary in order to account for the results of the experiments on large angle scattering of the alpha rays.

    因此卢瑟福,提出了原子核存在的假设,这些关于问题的假设对于,解释阿尔法粒子的,大角度散射是有必要的。

    麻省理工公开课 - 固态化学导论课程节选

  • Ultraviolet,also called U-V,rays cause the skin to burn.

    VOA: special.2010.07.06

  • Because it came from optics, you know, rays of sunlight and so on And in fact, even when we first started pulling synthetic fiber, the first synthetic fiber cellulose was referred to as ray on, because it looked like a ray that was being pulled.

    因为它源自光学,比如太阳光线等等,实际上,及时当我们首先开始抽出,人造纤维,第一根人造纤维的纤维素,叫做光线,因为那条在被抽出的纤维素,看起来像是一道光线。

    麻省理工公开课 - 固态化学导论课程节选

  • The golden sun's rays hit the green forest.

    VOA: special.2010.04.03

  • The second particle was deflected almost not at all. But what he could tell from the fact that there was a second particle at all, and the fact that it was in this direction, is that in addition to his negative particle, he also, of course, had a positive particle that was within this stream of rays that were coming out.

    粒子的强烈信号,有着强烈的对比,第二个粒子几乎,不发生偏转,他能判断这是,第二个粒子的原因是它在这个方向,所以在出射射线中,除了有带负电的粒子外。

    麻省理工公开课 - 化学原理课程节选

  • X-rays are taken to see the break.

    VOA: special.2009.02.04

  • For the Elder Brother, Ebba's bodily purity should itself exude a sufficiently powerful strength that the terrible Danes would be repelled by the sacred rays of her chastity.

    对于大哥哥来说,Ebba的身体纯洁应当散发出,一种有效的力量,用那种贞节散发出的神圣光芒,击退可怕的丹麦人。

    耶鲁公开课 - 弥尔顿课程节选

  • So we are looking at bio-markers, we're doing sophisticated X-rays, like functional MRI and spec-scanning to understand what happens in the brains of patients with fibromyalgia when they have pain, what happens to their brains when we treat that pain."

    VOA: special.2011.08.02

  • So, introduction, "in order to explain the results of experiments on scattering of alpha rays by matter, Professor Rutherford," and there is a footnote to the Rutherford model.

    嗯,绪论,为了解释实验的结果,关于物质的alpha散射,卢瑟福说“,这儿有一个卢瑟福模型的脚注。

    麻省理工公开课 - 固态化学导论课程节选

  • A less invasive procedure known as a virtual colonscopy is done with a CT scan that passes x-rays through a patient's abdomen.

    VOA: standard.2010.04.07

  • Well, we can't guarantee with UV light we'll have enough energy to eject every single electron, so that's why when we use x-rays, they're higher energy, you can pretty much be guaranteed we're going to eject all of those electrons there.

    好,我们不能保证紫外光有足够的能量,激发出每一个电子,所以我们要使用,X,射线,它的能量更高,你可以非常确定,我们可以激发出其中所有的电子。

    麻省理工公开课 - 化学原理课程节选

  • But some doctors say the CT scan exposes patients unnecessarily to harmful radiation, as much radiation as a patient might receive from 400 chest x-rays.

    VOA: standard.2010.04.07

  • So the way that we really make sure this is done is that we use x-rays.

    我们保证能做到这一点的方法是,使用,X,射线。

    麻省理工公开课 - 化学原理课程节选

  • Elsewhere in the Major Leagues, Chicago White Sox left-handed pitcher Mark Buehrle threw the 18th perfect game in Major League history against the Tampa Bay Rays on July 23.

    VOA: standard.2009.12.24

  • But for now let's simply say that we have a diffraction which we know occurs only by wave-like behavior and it involves the use of x-rays. Why x-rays?

    但现在让我们来简单假设一下,我们知道,只波才发生衍射,而且衍射涉及了X光的使用,为什么是X光?

    麻省理工公开课 - 固态化学导论课程节选

  • In the end, the White Sox defeated the Devil Rays 5-0.

    VOA: standard.2009.07.24

  • And what we did was he put two detection plates on either side of these cathode rays, and when he put a voltage difference between these two plates, he wanted to see if he could actually bend the rays and test if they're actually charged or not.

    但没有实验证明这件事,这就是Thomson所做的,它在阴极射线旁边放两块探测板,他想通过看当他,在两板之间加上电压后,阴极射线是不是会。

    麻省理工公开课 - 化学原理课程节选

  • There is no way that you could irradiate a crystal of nickel with a single beam of x-rays and get that circular ring pattern if the electron beam were behaving as a particle beam only.

    没有什么其他的途径,可以让镍晶体发射,单束X光来,继而得到环状图案,如果电子束,是以粒子束形式出现的。

    麻省理工公开课 - 固态化学导论课程节选

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定