临界电子数密度

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(214) / 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(234) / 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(152) / 评论(0) 分类 英文杂志-Magazine

Situation Critical 十万火急 by Kevin Lustig In some jobs, danger can appear at any moment. In the blink of an eye, the routine can become perilous. This month, the National Geographic Channel shows us what happens when a normal situation becomes

发表于:2018-12-08 / 阅读(173) / 评论(0) 分类 常春藤解析英语

Confidence,confident F: There are a number of important areas to consider for a branch office. M:we measure stability in government and economy. F: another critical area is business investment. M: You mean how much investment is going on in an area?

发表于:2018-12-16 / 阅读(156) / 评论(0) 分类 VOA 商务英语

New Words 2B @ unexpected a. not expected and therefore causing surprise 想不到的,意外的 @ strengthen v. become strong or make sth. stronger (使)变强;加强;增强 @ succession n. [sing.] a number of people or things of the same k

发表于:2018-12-17 / 阅读(101) / 评论(0) 分类 新视野大学英语读写教程词汇 第三册

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(112) / 评论(0) 分类 TED演讲教育篇

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Athletes have obviously been tempted to use performance enhancing anabolic steroids. Drug testing may discourage such use. But a new study finds that some of the perfo

发表于:2018-12-24 / 阅读(147) / 评论(0) 分类 Scientific American(九)月

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(177) / 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(236) / 评论(0) 分类 2017年VOA慢速英语(十)月

By Anjana Pasricha New Delhi 20 August 2006 Indian minister for Communications and IT Dayanidhi Maran, right, and Chief Minister of Jammu Kashmir state Mufti Mohammed Sayeed during launch of network expansion in Srinagar, India (File photo) In India

发表于:2019-01-13 / 阅读(186) / 评论(0) 分类 2006年VOA标准英语(八月)

[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(244) / 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(143) / 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(174) / 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(165) / 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(146) / 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(126) / 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(130) / 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(127) / 评论(0) 分类 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

发表于:2019-02-25 / 阅读(165) / 评论(0) 分类 双语有声阅读
学英语单词
access programming
actinomycin IV
action date/time
adularescence
agrogeography
ambient light illumination
analphabet
anthochlor
Ayr, River
aziprotryn
bacteria genus
base for overhead distribution
bear in mind
biggerstaffs
Bordet-Gengou culture-medium
broyhill
bscs (biological science curriculum study)
call-with-current-continuation
cargocaire system
chinese-foreign joint venture
common sage
component based development
conductor rope
cousseys
CR manoeuvring panel
cylinder lock
dad and mum
Data Telecommunication Center
dictyopteris delicatula
disaggrega-tire
discreteness
ditch-digging bucket
Euroclear Bank
fibrae suspensoriae
fluorescence histochemistry
free traffic flow
gallodesoxycholic acid
geometric abstraction
gerascophobia
guard-ship
helicteres isora l.
hemostatic prescription
hereditaries
high tensile steel bar
homotopy group functor
I ask you
impression formation
in band
indigenously
integer factorization problem
inureth
iron microphone
Joachimsthaler
joint sealing materials
JWV
kayaks
lanercosts
lead-pipe cinch
loaftin'
Management Information Services
marchany
medium vacuum electron beam welding plant
multiple tubed burner
muppet
Nefazadone
noncompany
nonvectors
ntns
oestrogens
oil mineral
one-strike
outwind
over heat
peelings
phosphorescence excitation spectrum
prinia criniger striata
public-worker
pulsule apparatus
rail arch
RCWV
schistosomatidaes
semi triangular form
shitnugget
stepping back mode
striplight
strongly fine skewed
sublayer
sulfapirazinmetossina
supporting weapon
synegiodes histrionarius ornatus
table speed
take heart of grace
Taraxacum glaucophylloides
tendinum tremor
Tindal
todgas
transistor storage time
utiloy
valentias
vanisht
voice dialing
waterpots