单词:photoemission electron microscope (peem)
单词:photoemission electron microscope (peem) 相关文章
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
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
【今日基础词】 Improvement 【Transcript】 A: I saw a photo on internet just now; its a photo of a big family. B: There must be many people in it. A: Yeah, 150 members of Gao in De Chang county took the photo. B: How great the family is! A: I
By Jeri Watson and Caty Weaver Broadcast: December 26, 2004 (MUSIC) VOICE ONE: Im Steve Ember. VOICE TWO: And Im Faith Lapidus with People in America in VOA Special English. Today we tell about five special people who died during the past year. We st
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
By Peter Fedynsky Washington, DC 17 February 2006 watch G8 Democracy report Russia recently assumed the rotating presidency of the G-8, prompting a discussion in the United States about whether that c
iPhone Becomes Low Cost Microscope The Apple iPhone can be used for lot of things making calls, playing games and sending pictures, video and text. Scientists say it also can be converted into a low-cost microscope to detect worm-related infections i
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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
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By Anjana Pasricha New Delhi 13 May 2007 Villagers are dwarfed by giant windmills built by the Danish Development Agency in northern Philippines (File) The Asian Development Bank is helping to finance a 100-megawatt wind energy plant in India as part
By Kayla Rosenfeld Honolulu 01 February 2008 Officials from the world's 16 largest greenhouse gas emitters gathered in Hawaii this week to discuss how to curb global climate change. Kayla Rosenfeld reports from Honolulu the goal was to advance the ro
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
EXPLORATIONS - From a Photo of War, a Statue to Remember MARIO RITTER: Welcome to the VOA Special English program EXPLORATIONS. Im Mario Ritter. July fourth, Independence Day in the United States, is a time of celebration. Friends and family across t
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
台湾籍旅美老师今天交给我们的句子是: Blood is the tissue that not only carries cells that transport oxygen, for example, the red blood cells, or fights infectious diseases, but it also carries messenger molecules, hormone-like facto