电子束能量

用mp3背四级单词32

efficiency-效率,功效 elaborate -精心计划的,详尽的 elastic -橡皮圈,松紧带 elbow -肘,肘部 elderly-较老的,年长的 elect -选举,推举 electrical -电的,电气科学的 electron-电子 electronic -电子的 elegant -优美的,文雅的 element -元素,要素 elementary-基本的,

发表于:2018-11-29 / 阅读(142) / 评论(0)

用mp3背四级单词

英文杂志-Physics

In the square outside the British Library in London is a sculpture of Sir Isaac Newton - The first man who asked why apples seem always to fall towards the centre of the earth. Maybe they chose it for the spot because it shows a great scientist at wo

发表于:2018-12-07 / 阅读(79) / 评论(0)

英文杂志-Magazine

VOA慢速英语2013 EXPLORATIONS - The History of the Laser

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(72) / 评论(0)

2013年VOA慢速英语(二)月

TED演讲：气味背后的科学(8)

OK, great, we smell vibrations. How? All right? 好吧，我们闻到的是震动。怎么闻到呢？ Now when people ask this kind of question, they neglect something, which is that physicists are really clever, unlike biologists. 当人们问这个问

发表于:2018-12-19 / 阅读(50) / 评论(0)

TED演讲教育篇

SSS 2011-09-27

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin

发表于:2018-12-24 / 阅读(99) / 评论(0)

Scientific American(九)月

不择手段背单词(733):beam横梁; 船幅; 船舷

beam, [bi:m] n 大梁（建筑中用作支撑的木材、金属或石头）；光柱；臀围；平衡木【船】横梁; 船幅; 船舷 (秤)杆; (犁)柄; (锄)把; 卷轴; 横杆; 杠杆 (鹿角的)主干 (灯光、日光、月光等的)束, 道,

发表于:2018-12-30 / 阅读(90) / 评论(0)

不择手段背单词

VOA慢速英语2017 三位化学家获得诺贝尔化学奖

Three Scientists Win Nobel Prize in Chemistry Three scientists have won the Nobel Prize for chemistry for their work to simplify and improve the imaging of biomolecules. 三位科学家因为在简化和改善生物分子成像方面的成就获得了诺

发表于:2019-01-03 / 阅读(178) / 评论(0)

2017年VOA慢速英语(十)月

比蒙障碍 Beamonesque

Bob Beamon established himself as the favourite in the 1968 long jump by winning 22 of 23 meets in the pre-Olympic season. He almost met with disaster in the qualifying round. After fouling his first two attempts, he had only one try left. His teamma

发表于:2019-01-08 / 阅读(149) / 评论(0)

英美文化

VOA标准英语2013--The History of the Laser

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(117) / 评论(0)

2013年VOA慢速英语(五)月

Lesson 16 - RIGHT ON THE BEAM / FLY BY THE SEAT OF ONE'S PAN

Right on the beam To fly by the seat of his pants 美国英语当中有许多成语和俗语都和过去的历史有关系。例如，美国开拓西部的过程给美国语言增添了不少色彩。可

发表于:2019-01-14 / 阅读(157) / 评论(0)

美国习惯用语

闭着眼睛飘单词四级词汇32

[0:0]efficiency效率,功效 [0:12.1950]elaborate elastic elbow elderly精心计划的,详尽的橡皮图,松紧带肘,肘部较老的,年长的 [1:2.6076]elect electrical electron选举,推选电的,电气科学的电子 [1:41.1372]electronic elegant element elementary [2:36.2790]el

发表于:2019-01-16 / 阅读(161) / 评论(0)

闭着眼睛飘单词四级词汇

TED演讲:为什么玻璃是透明的(2)

But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a

发表于:2019-01-17 / 阅读(70) / 评论(0)

TED演讲教育篇

【英语语言学习】镭射器的历史

Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the science of the future to eve

发表于:2019-01-24 / 阅读(114) / 评论(0)

英语语言学习

英语词汇分类：核能

A-bomb, atomic bomb 原子弹 absorption 吸收 to accelerate 加速 accelerating chamber 加速室 accelerator 加速器 synchrocyclotron 同步回旋加速器 synchrotron 同步加速器 betatron 电子

发表于:2019-02-03 / 阅读(92) / 评论(0)

英文语法词汇

微电子辞典-5

Early effect 厄利效应 Early failure 早期失效 Effective mass 有效质量 Einstein relation(ship) 爱因斯坦关系 Electric Erase Programmable Read Only Memory(E2PROM) 一次性电可擦除只读

发表于:2019-02-05 / 阅读(96) / 评论(0)

实用英语

微电子辞典-2

Background carrier 本底载流子 Background doping 本底掺杂 Backward 反向 Backward bias 反向偏置 Ballasting resistor 整流电阻 Ball bond 球形键合 Band 能带 Band gap 能带间隙 Ba

发表于:2019-02-05 / 阅读(84) / 评论(0)

实用英语

经济学人175:太空太阳能老兄传下来吧

Science and technology 科学技术 Solar power from space 太空太阳能 Beam it down, Scotty 老兄，传下来吧 Harvesting solar power in space, for use on Earth, comes a step closer to reality 在太空获取太阳能以供地球之用:梦想距

发表于:2019-02-16 / 阅读(82) / 评论(0)

经济学人科技系列

万物简史第205期:威力巨大的原子(19)

Finally, in 1926, Heisenberg came up with a celebrated compromise, producing a new discipline that came to be known as quantum mechanics. At the heart of it was Heisenberg's Uncertainty Principle, which states that the electron is a particle but a pa

发表于:2019-02-17 / 阅读(56) / 评论(0)

万物简史

万物简史第200期:威力巨大的原子(14)

Neutrons and protons occupy the atom's nucleus. The nucleus of an atom is tinyonly one millionth of a billionth of the full volume of the atombut fantastically dense, since it contains virtually all the atom's mass. As Cropper has put it, if an atom

发表于:2019-02-17 / 阅读(58) / 评论(0)

万物简史

双语有声阅读：显微技术

The Microscopic Technique Each advance in microscopic technique has provided scientists with new perspectives on the function of living organisms and the nature of matter itself. The invention of the visible light microscope late in the sixteenth cen

发表于:2019-02-25 / 阅读(81) / 评论(0)

双语有声阅读

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