[光] 低能电子激发发光

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(264) / 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(307) / 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(196) / 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(155) / 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(221) / 评论(0) 分类 Scientific American(九)月

图片1 Everyone at Culips is especially pumped because the summer weather has arrived in Montreal. So, we thought we would make an episode all about feeling excited and full of energy! Here we look at the expressions of pumped up, fired up, stoked,

发表于:2019-01-01 / 阅读(167) / 评论(0) 分类 英语博客-北美风情

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(300) / 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(305) / 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(198) / 评论(0) 分类 TED演讲教育篇

Lesson 4 Sports 第四课 运动 February 9 2月9日 Let's Watch a Basketball Game 看篮球赛 Read it! 读读看! Rob will go to a college basketball game tomorrow. 罗柏明天要去看一场大学篮球赛。 Alex and Jim can go, too. 亚力克斯

发表于:2019-01-23 / 阅读(152) / 评论(0) 分类 大家说英语

Brad and his friends needed something to do. They had no idea what to do. It was a Saturday morning. Brad's friend, Jeremy suggested they go rock climbing. None of them had ever been. Brad agreed and said it would be a good idea. They drove to the ro

发表于:2019-01-24 / 阅读(288) / 评论(0) 分类 英语第5级听力-English Level 5

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(214) / 评论(0) 分类 英文语法词汇

Have you ever said you would do something but then never really followed through? Perhaps you were talking about losing a few pounds, quit smoking or find a better job. Sometimes you dont finish or even get started because you dont know exactly what

发表于:2019-02-04 / 阅读(273) / 评论(0) 分类 阅读空间

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(211) / 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(182) / 评论(0) 分类 实用英语

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(172) / 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(179) / 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(192) / 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(205) / 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(216) / 评论(0) 分类 双语有声阅读
学英语单词
-scopic
11-Bromovincamine
Acanthineae
additive metal
airport mobile control
anopheles mosquito
antillas
application for
arthropod genera
azimuth diagram
base-emitter voltage
bismuthane
blackstuff
brownnosers
camera control room
carbobenzoxy-
cartimanduas
cestraciont
chatterati
chemistry of petroleum hydrocarbons
cifal
climatological data bank
coffeen
coin slot
computi
Courval
covariance function
cristae tegminis tympani
cunninghamella echinulata
defective interfering particles
Dhoomadheere
ear pressure test
earthquake engineering
ecological condition
electronically steerable phased array radar
figure painting
final examination and measurement
flax families
foreign area
forked head
gastric smears
genus onosmodiums
hilli
horizontal knuckle joint press
hydrogenesia
impennes
intestinal spongioma
keymasks
Kundt effect
lax-milgram theorem
lemonizing
likeability
liven up
low-early-strength cement
manifold clamp
mechamical differentiation
mettled
minor interim adjustments
minor service
n-p junction
non-contact recording
non-self-luminous perceived color
nonalphanumeric
nonlinear electrodynamics
oil-gas anticlinal deposit
Opileta
pecker snot
Pergamos
permeaable
Phalaenopsis amabilis
photophytes
phyto-immunity
pillow shams
preadmit number
process with orthogonal increment
purge
raise capital by floating shares
rational differential equation
reactance resistance ratio
region of weakness
reinhartz
retaining-ring
safety first engineering
sea-going sailer
sencer
spatial model
speed regulation by constant power
systematicss
Theroux
Thiophosphamidum
twine holder disc
umbelliferous plants
underexpressed
urban passenger flow
ustilagic acids
vapory
vertical component detector
viritrate
whoa-oh
wing-tip missile
writ of mandamus
yellow mombins