入射电子

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(221) / 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(251) / 评论(0) 分类 新东方赵丽词汇课堂

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(157) / 评论(0) 分类 英文杂志-Magazine

[00:13.35]Incident in Room 217 [00:21.51]217房事件 [00:34.25]The incident itself happened to me [00:36.56]the spring semester of 1993 [00:40.00]while I was a student at the University of Wyoming. [00:44.68]At the time I was living in Crane Hall, [00:

发表于:2018-12-11 / 阅读(167) / 评论(0) 分类 英语灵异故事

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(119) / 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(186) / 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(256) / 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(256) / 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(149) / 评论(0) 分类 TED演讲教育篇

By Nico Colombant Dakar 06 March 2008 A deadly incident in the border region between Chad and Sudan in which a French soldier was apparently killed is highlighting the challenges of peacekeeping in the refugee-flooded, violence-wracked region. VOA's

发表于:2019-01-20 / 阅读(149) / 评论(0) 分类 VOA标准英语2008年(三月)

AGRICULTURE REPORT December 17, 2002 — Irradiated Meat This is the VOA Special English Agriculture Report. The United States government has approved methods of destroying bacteria in meat by using r

发表于:2019-01-30 / 阅读(170) / 评论(0) 分类 农业与发展

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(180) / 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(169) / 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(151) / 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(131) / 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(131) / 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(138) / 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(137) / 评论(0) 分类 万物简史

Firecracker incident not to affect 2018 World Cup: official

发表于:2019-02-18 / 阅读(146) / 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(174) / 评论(0) 分类 双语有声阅读
学英语单词
-generous
Abatskiy
actinoporin
Adenophora sinensis
adjudication of dispute
Adoxaceae
adsorption space
allylisopropylmaionylurea
amphoteric impurity
amyl xanthate
assumptive selling
besteal
Braun tube oscillograph
Calatorao
campeau
cirurgical
combined symbol
complex vector
concessional exports
cost value of forest
countercurrent washer
CPU sharing
critical temperature of plasma
crowded trade area
crystallizations
cuminum cyminums
cumulonimbi
database automatic table look-up
dharmashala
direct blow mo(u)lding container
dischargings
divisionalized
dynamic brake resistor
emission of radiation
equipment constraints
exchange participant certificate
fanciness
faun
feedback laser distancemeter
foremilks
full up
full-locked coil construction rope
granulocytoses
gyrifications
heavy duty tire
hien
house-to-house selling
inobservantly
Internet Routing in Space
junck
landocracy
laser spectrum technology
lath
least motion
Leede-Rumpel phenomenon
Linser's method
macgovern
mallik
manganese-zinc spar
manufacturing capacity
market amount
mass-product
metadyne transformer
multi-choices
neutron multiplying facility
nicmos
nizy
non-earning space
offshore jurisdiction
oxyhepatitis
paircs
PANFI
Parasificin
parisinas
prime western spelter
private internet exchange firewall
prize court
prostaglandins
Prudentius
quasi-group
reflec
repetition DNA
shell longitudinal
slide roll ratio
snuggly
spring-applied nitrogen fertilizers
squirarch
standard magnetic compass
tandem disk narrow
the FAA
theoretical chemistry
thermoplastic protective tape
tie someone's hands
time of earthquake at epicenter
total chrome
transactional e-mail
underdispersive
unrazed
valachi
xylyl hydrazine