核电子

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(154) / 评论(0) 分类 用mp3背四级单词

[00:01.18]Clear Your Mental Space [00:04.24]Think about the last time you felt a negative emotion: [00:09.70]like stress, anger, or frustration. [00:12.33]Were you able to think as you were going through that negativity? [00:16.49] Today, let me show

发表于:2018-11-30 / 阅读(117) / 评论(0) 分类 英语专业晨读美文

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(131) / 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(96) / 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(67) / 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(118) / 评论(0) 分类 Scientific American(九)月

Grammar Girl here. Today, Julie Wildhaber, who trains writers and editors at Yahoo!, will explain a few strategies for keeping copy compact and for getting rid of deadwood: words and phrases that add length but not value. The podcast edition of this

发表于:2019-01-02 / 阅读(138) / 评论(0) 分类 英语语法 Grammar Girl

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(193) / 评论(0) 分类 2017年VOA慢速英语(十)月

Ecological balance - astable balance in the numbers of each species in an ecosystem. In the ecosystem of the mouth this balance is brought about by competition and cooperation between the different or

发表于:2019-01-03 / 阅读(111) / 评论(0) 分类 医务英语

[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(176) / 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(87) / 评论(0) 分类 TED演讲教育篇

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(101) / 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(113) / 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(111) / 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(101) / 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(73) / 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(67) / 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(74) / 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(78) / 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(101) / 评论(0) 分类 双语有声阅读
学英语单词
aerophototopography
agentive verb
albuminometer
allowable force
angle of retarded closing
Archaeocyathida
autonomous morality
baud rates
bets
biliary diabetes
blackleg vaccine
bodeguita
Bridgett's line
change the size of window
Chisholm Trail
Claymore Oil Field
clincher-built
common control switching system
condition incident log
corn of feet
cramze
cyan alcohol
default data name
deiodinating
demythologize
DiGeorge syndrome
dilettantism
does the dishes
dohyo matsuri
earthenware tower
entail
excarnificating
extrado
Feronia
field of animal science
fore-damned
freakings
friendism
fritter batter
galliasses
Ganglion impar
gannellis
glomangiosarcomas
grenadin'
Grubišno Polje
have your cake and eat it
holzapfel
hot cereal
hydraulics of well
IEC
interface distributor
interspaces
juvablone
launchers
linear elliptic equation of higher order
loffleria
loss terms
magnet pole face
mankulams
Necator
nonosteogenic fibroma
Octacosactrin
oleandomycins
open-loop control system
ophichthus stenopterus
orthoclase
othosomycin
pain spot
paskevich
pedunculated
Pennell, Mount
pester the life out of someone
phosphopyridine nucleotide
platycarya strobilacea sieb.et zucc.
power plant specific mass
pricepoints
progeneration
pulsings
red angus cattle
resistance thermometre
Restoration of Original Condition
sampling period
signal intermediate repair
single variable control
specification of basic notation
sphenoethmoid
spherical-head
subtyping
Tarves
tick fever pyaemia
to advise that...
Turner tooth
twist-free yarn spinning
two-dimensional pointgroup
two-force member
unions of soviet socialist republics
vocal musics
wallow in luxury
welded stud
what's-her-face
working vehicle for optical-fibre cable
Wrights stain