低能量电子绕射

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(162) / 评论(0) 分类 用mp3背四级单词

16. The coming of the railways in 1830s____ our society and economic life. A. transformed B. transported C. transferred D. transmitted economy 经济 economic 经济的 economical 节俭的 economics 经

发表于:2018-12-01 / 阅读(155) / 评论(0) 分类 新东方赵丽词汇课堂

The One With Ross's Sandwich -------------------------------------------------------------------------------- Written by: Andrew Reich continued from earlier. Joey is closing the door after Rachel lea

发表于:2018-12-07 / 阅读(68) / 评论(0) 分类 六人行—第1-5季

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(110) / 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(76) / 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(129) / 评论(0) 分类 Scientific American(九)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(202) / 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(191) / 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(100) / 评论(0) 分类 TED演讲教育篇

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(127) / 评论(0) 分类 英文语法词汇

The Saudi developer behind plans for the world's tallest building said Sunday it had secured financing to complete the record-breaking project. 周日,沙特阿拉伯世界最高建筑计划背后的开发者说,他们已经拿到了资金来完成

发表于:2019-02-03 / 阅读(106) / 评论(0) 分类 阅读空间

At a news conference in Riyadh on Wednesday, Saudi Prince Alwaleed bin Talal announced his plan to give away his entire fortune in the coming years. With this pledge, I am honoring my life-long commitment to what matters most helping to build a more

发表于:2019-02-03 / 阅读(103) / 评论(0) 分类 英语新闻

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(121) / 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(114) / 评论(0) 分类 实用英语

As physicists built bigger and more ambitious machines, 随着物理学家建造越来越大、越来越雄心勃勃的机器, they began to find or postulate particles or particle families seemingly without number: 他们开始或推断出似乎永无

发表于:2019-02-17 / 阅读(87) / 评论(0) 分类 万物简史

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(81) / 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(90) / 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(89) / 评论(0) 分类 万物简史

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(131) / 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(125) / 评论(0) 分类 双语有声阅读
学英语单词
Adenophora himalayana
alawo
all-carbon brush
all-purpose controller
altitude test
atwater
babe magnets
basic status register
belly telly
bending over backwards
boundary tension
buy build sell lease transaction
carnid
cd.
charge against the general reserve
chimney-sweepers
cloran
counting rate voltage characteristic
cross reaction chamber
demystifying
discommission
dynamo sheet steel
electrostatic microscope
encephalo-arteriography
FAK Rate
fawned on
file control mode
foliaceous
food value
gambrelling
gas filled dry-type transformer
gauging-board
germicidal
grilloes
groleau
Heil tube
hepatic artery catheterization therapy
homeotypical
hot logging
hv high voltage
hyphodontia microspora
index arithmetic unit
industrial developed countries
infarctional
infecteth
innumerablenesses
interferometric sensing
Iresine herbstii
isenthalpic throttling
jalan
key measurement point
knorr
living unrelated donor
Lonas
Medes
message metering service
Molcaxac
mtpy
multiparty telephone
nasioiniac
numb-handed
obtundation
oxygen decompression
paratyphoid serum
Pars transversaria
phonemic
polyphenyl thioether
porcelain cylinder
preepiglottic
purchasing information system
Quan Son
quantitative methods in management
quaternary cationics
Quint.
radioimmunoprecipitation
residual crimp
Risdom's incision
rotating hook bobbin case tension spring screw
saline water intrusion
Scale-step
section-iron
sempatches
serial shared resource
single compartment type thickener
sodium folate
starting out
stationary lead-acid storage battery
synaptic connection
teratogenic poison
thread cutting tools
to an hour
total distance
toxiinfection
trypsinise
TTBOMK
uniformly shaped blade
unmanned underwater vehicle
variance test
very long wave communication
water hammer absorber
water stress
zeeman tuned laser