低能电子显微镜

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(193) / 评论(0) 分类 用mp3背四级单词

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(138) / 评论(0) 分类 英文杂志-Magazine

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(105) / 评论(0) 分类 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

发表于:2018-12-24 / 阅读(161) / 评论(0) 分类 Scientific American(九)月

Nobel in Chemistry for Seeing Biomolecules in Action 诺贝尔化学奖微化分子结构 The Royal Swedish Academy of Sciences has decided to award the 2017 Nobel Prize in Chemistry jointly to Jacques Dubochet, Joachim Frank and Richard Hendersonfor

发表于:2018-12-24 / 阅读(118) / 评论(0) 分类 2017年Scientific American(十)月

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(230) / 评论(0) 分类 2017年VOA慢速英语(十)月

[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(225) / 评论(0) 分类 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

发表于:2019-01-17 / 阅读(128) / 评论(0) 分类 TED演讲教育篇

The fridge is one of your homes biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one of the best insulators known. But vacuum-insulated panels are too pricy for widespread use. Enter

发表于:2019-01-30 / 阅读(169) / 评论(0) 分类 60秒科学

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(157) / 评论(0) 分类 英文语法词汇

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(152) / 评论(0) 分类 实用英语

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(135) / 评论(0) 分类 实用英语

Hell, of the Max Planck Institute for Biophysical Chemistry, G?ttingen, and German Cancer Research Center, Heidelberg, both in Germany, developed a way to use two laser beams to make individual molecules glow on and off. 斯特凡W赫尔,作为哥廷

发表于:2019-02-07 / 阅读(118) / 评论(0) 分类 英语新闻

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

发表于:2019-02-17 / 阅读(102) / 评论(0) 分类 万物简史

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(117) / 评论(0) 分类 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

发表于:2019-02-17 / 阅读(118) / 评论(0) 分类 万物简史

How Low [Hook] How low can you go? [8x] [Ludacris] Luda! She could go lower than i ever really thought she could, Face down, ass up! The top of your booty jiggling out your jeans, Baby pull your pants up, I like it when i see you do it, Better then i

发表于:2019-02-18 / 阅读(184) / 评论(0) 分类 好听的英文歌曲

Low [Chorus:] Shawty had them Apple Bottom Jeans [Jeans] Boots with the fur [With the fur] The whole club was lookin at her She hit the flo [She hit the flo] Next thing you know Shawty got low low low low low low low low Them baggy sweat pants And th

发表于:2019-02-18 / 阅读(158) / 评论(0) 分类 好听的英文歌曲

BEIJING, Sep. 16 (Xinhuanet) -- Government incentives are important to pave a low-carbon road to economic growth, but companies that improve their industry models and technologies are the main players and also benefit receivers, noted officials and i

发表于:2019-02-25 / 阅读(151) / 评论(0) 分类 英语新闻

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(155) / 评论(0) 分类 双语有声阅读
学英语单词
a son of a bitch
alcohol abuse
alternative rubber
angle of lips
armored dinosaurs
Arthur's Pass
be conversant with
Beaufortia
binaural stethoscope
bit-pattern
breastwork
calcium nitrite
calibrated screen aperture
catholic-protestant
chronotopes
coinquirers
combined irrigation by storage
Congaree Swamp National Monument
CP (calorific power)
cylindrical turning
dental spatula
Dhading
dirl butter
displaypattern
earnings-growth
ecological services
editing clause
elliptical paraboloidal roof
emulsion interference filter
extractum pinellae liquidum
finitary
flamandes
gas-turbine cycle
gustavo
harnessest
hogrel
host system response
intercostal space
isogam
it is my pleasure
jhala
landry
leading factor
Lehesten
lycaeus
mbogo
measurement technique for cutback
meatlike
melatonine
music stand
Nervus mentalis
o-azoxybenzoic acid
open operation
operation definition
orange-dyed
Oupeye
overseas Chinese ventures
Paleo-Amerind culture
pan yarn
physical chemistry of surface film
pit
pohlen
political liberty
ponderal
preset program
primary colour for light
printer
pulse pair processor (ppp)
Rabdosia alborubra
radiometric calibration device
range constriction
ready prompt
record signal format
removing fire in the lung and resolving phlegm
reptans
retraction morphism
return laser beam
ruled counting plate
sayd
Sinicite
slica glass flourine doping
Solonka
special logic record
strain gauge scanner recorder
stripe pitch
sycose
tazheranite
term hour
testovum
tops'ls
torsional damper
toy-box
undercasing
underpiston supercharge
urofuscin
vas lymphaticum foliae branchialis
water sports
wiper vacuum booster
xerodermatous
YAG Laser Processing Equipment for Scribing
zero suppress
zeroisation