单词:bounded electron
单词:bounded electron 相关文章
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,
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
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
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
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
How long they would have been standing there I do not know, 如果格雷特苏丹没有及时赶上去, if the Great Sultan had not caught up to them just in time to see what was happening. 看到正在发生的事情的话,不知道他们还要在
[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
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
The Streaming down the Yangtze team is now at Ningbo-Zhoushan Port, which is the starting point of the Maritime Silk Road. In 2017, the port's throughput capacity was registered at 1 billion tons, and was the busiest port in the world in terms of car
Run fast, said the Scarecrow to the Lion, and get out of this deadly flower bed as soon as you can. 快跑,稻草人对狮子说,竭尽全力,快快跑出这个让人送命的花床。 We will bring the little girl with us, but if you should fa
4MoonRabbits Oh,wow!saidAnnie.Shetookastepforward. ButJackstoodfrozen.Hewantedtogetagoodlookateverythingfirst. Hestaredattheground.Hewasstandinginalayerofgraydustasfineaspowder. Footprintswereeverywhere.Jackwonderedwhohadmadethem. Hereachedintohisp
What this means in practice is that you can never predict where an electron will be at any given moment. You can only list its probability of being there. In a sense, as Dennis Overbye has put it, an electron doesnt exist until it is observed. Or, pu
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
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
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
Old Nan was asleep in her chair. 老奶妈已经坐在椅子上睡着了。 Hodor said Hodor, gathered up his great-grandmother, and carried her off, snoring softly, 阿多说:阿多,然后抱走轻轻打鼾的曾祖母。 while Bran lay thinking
LESSON 39 MY DOG DASH 第三十九课 我的狗的挫折 My little dog was once stolen from me. 我的狗曾经被偷过。 After being away for some months, he one day came back with a long string tied round his neck. 几个月以后的一天,它脖