单词：electron and ion microscopes
单词：electron and ion microscopes 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
英文杂志-Magazine
AS IT IS 2014-06-28 DIY Microscope Costs Only One Dollar 自制显微镜只需一美元 From VOA Learning English, this is As It Is. Today we hear about a recent development in microscope technology. Now, you might think this will be about a costly a
2014年VOA慢速英语(六)月
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
TED演讲教育篇
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
Scientific American(九)月
Faith is a fine invention When Gentlemen can see - But Microscopes are prudent In an Emergency. In this poem, Emily calls attention to the friction between science and religion. People only believe what they can see and use the invention of faith as
英语散文阅读
After hundreds of years, the most common, basic microscopes still operate by means of the same old hardware: the lens. But what if you could do away with that lens and create a microscope that fits on a cell phone? Thats what researchers led by Aydog
60秒科学
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
2017年VOA慢速英语(十)月
After hundreds of years, the most common, basic microscopes still operate by means of the same old hardware: the lens. But what if you could do away with that lens and create a microscope that fits on a cell phone? Thats what researchers led by Aydog
Scientific American(六)月
Computers Evaluate Cancer Biopsies Cancer treatment might have just taken a big leap into the computer age. Stanford University researchers are reporting significant success in training computers to analyze microscope slides of breast cancer biopsies
VOA标准英语2011年(十一月)
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闭着眼睛飘单词 四级词汇
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
TED演讲教育篇
A: What kind of music do you enjoy listening to? B: I enjoy listening to all kinds of music. A: What kind? B: I like to listen to Rock and RB. A: Why do you like that type of music? B: I like the kinds of instruments that they use. A: I think that's
英语闲谈
Faith is a fine invention When Gentlemen can see - But Microscopes are prudent In an Emergency. In this poem, Emily calls attention to the friction between science and religion. People only believe what they can see and use the invention of faith as
双语有声阅读
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
万物简史
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
万物简史
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
双语有声阅读
SPIM stands for Selective Plane Illumination Microscopy. SPIM is a new kind of microscope technology. It provides a significantly sharper image than current microscopes, and it also allows one to study living organisms without destroying or harming t
英语时差8，16