[电] 反向电极电流

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发表于:2018-12-01 / 阅读(148) / 评论(0) 分类 用Mp3背六级单词

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(145) / 评论(0) 分类 Scientific American(十二)月

作文和听力,阅读一样,可以早做准备。现在流行的复习方法是从下半年复习,甚至是考试前3个月才开始复习。复习的教材无一例外的是考试虫系列的万能作文:背一二十篇作文模式,背一二

发表于:2018-12-12 / 阅读(81) / 评论(0) 分类 英语学习方法

Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens,found in the mud at Oyster Bay,Virginia,has been discovered to transfer electrons directly onto an electrode

发表于:2018-12-18 / 阅读(113) / 评论(0) 分类 有声杂志阅读

Time for M.I.T.s Clean Energy Prize. The annual competition gives teams of university students a chance to compete for $200,000 to kick-start their new clean energy business. One finalist designed a compression technology for natural gas wells that w

发表于:2019-01-02 / 阅读(320) / 评论(0) 分类 60秒科学

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(127) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Christie Nicholson . Got a minute? The lure of gambling clearly comes from the chance of winning. But how exciting is it to almost win? A study in the February 12th issue of the journal Neuron look

发表于:2019-01-08 / 阅读(146) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(137) / 评论(0) 分类 Scientific American(八)月

在中国,普通话作为官方语言的地位日益巩固。然而在英国,为什么大多数的英国人不遵循标准的发音[standard pronunciation or RP(received pronunciation)],却喜欢操着一口地方口音呢?难道英国人不认

发表于:2019-01-11 / 阅读(93) / 评论(0) 分类 实用英语

Gold, Oil Prices Up as Investors Seek Safe Haven 投资者寻求避险:黄金、石油价格上涨 NEW YORK The up-and-down prices of oil and gold mirror the unsettled world situation, and both reflect the economic squeeze most nations currently face

发表于:2019-01-14 / 阅读(100) / 评论(0) 分类 VOA标准英语2016年(三月)

1. The work that Tim Pons and his colleagues published last week is basic research into the portion of the brain, the cortex, that one scientist says is responsible for all the interesting things we do. 剖析:在这个长句中, 共有两个定语从

发表于:2019-01-17 / 阅读(152) / 评论(0) 分类 雅思英语

Popular choices include, tea,coffee,cocoa. Popular: 流行的 cocoa: 可可 最受欢迎的有茶咖啡可可 I see. No,no,no,wait. Don't hang up yet. hang up: 挂断 了解了解别先别挂 What about a recreational activity? recreational activity:

发表于:2019-01-28 / 阅读(92) / 评论(0) 分类 生活大爆炸第二季

Quite what Halley expected to get from him when he made his unannounced visit in August 1684 we can only guess. But thanks to the later account of a Newton confidant, Abraham DeMoivre, we do have a record of one of science's most historic encounters:

发表于:2019-01-29 / 阅读(73) / 评论(0) 分类 万物简史

Hong Kongs first leveraged exchange traded funds have launched in a bid to tap Asian demand for structured products, even as western regulators are examining the mechanics of leveraged and other riskier forms of ETFs. 香港首批杠杆交易所交易基

发表于:2019-02-01 / 阅读(84) / 评论(0) 分类 英语新闻

Heres one way to make sure you have perfect attendance in your class: 让你把全部注意力放在课堂上只有一种方法: Meet Pietro Boselli: Obviously, hes ridiculously good-looking. 来见见我们的彼得罗博塞利:看吧看吧,他真

发表于:2019-02-06 / 阅读(110) / 评论(0) 分类 阅读空间

You know how it goes: youre trying to talk to your grandchildren, but theyre constantly checking their beeping phones. Im listening . . . they insist. Except you know only too well theyre not. At home, over dinner, you want to catch up with your husb

发表于:2019-02-07 / 阅读(138) / 评论(0) 分类 阅读空间

和同事聊天时,她突然问我:当时,他是怎么向你求婚的,浪漫吗?我一愣,随即笑了:我老公是很木讷的人呢,你说会浪漫吗?虽然这样说,我心里却泛起甜丝丝的感觉来。他确实从来不浪漫,他的求婚没有

发表于:2019-02-18 / 阅读(116) / 评论(0) 分类 英语美文

Over the last 13 years, investors have experienced some of the largest financial bubbles in history. Asian currencies rose and fell, technology and Internet shares suffered staggering losses, oil and other commodities rode a wild roller coaster, and

发表于:2019-02-18 / 阅读(87) / 评论(0) 分类 阅读空间

一. 上升增长1.add up to 增加了eg. The total amount of added up to 14 billion pounds(14%) in 1994. 2. to jump to / to soar to 一跃达到/ 猛增到 eg. The total working days lost soared to 10 million in 1979. 3.an increase of ab

发表于:2019-02-18 / 阅读(150) / 评论(0) 分类 四六级写作指导

Law of Supply Demand: This is the founding block of economics. Whenever supply of something increases its price decreases and whenever supply decreases price increases. Thus, when you have excess production of corn, food prices decrease and vice vers

发表于:2019-02-25 / 阅读(109) / 评论(0) 分类 英文语法词汇
学英语单词
A.C.electric propulsion plant
about to
activity definition statement
Aidan
Androsace sutchuenensis
anti-thixotopy
arbitrage transaction
average total inspection curve
Ba(barium)
bareback ballerina (europe)
Barkåkra
be out of harmony with
berfeld diaphram
birkelands
black-beer
bloodletting
bonded tendon
capacity requirements
castle guard
chapparal
ciliarotomy
cold-livered
controllers-general
cost,insurance,freight duty paid
CZI
dehypnotize
diaryl arsine oxyhalide
direct operational cost
directione
diskette dirve adapter
embronzes
Euonymus atropurpureus
exports in relation to production
factory manager
field-spool support
filter loss
forlornities
fourpennyworths
frog-liker
gastrinomas
Godfearer
graffiti artists
gravity return ram
guye
holdorf
home country control
i-pulled
impatiens longialata pritz.
in-shop
intermediate drivage
interplast
iridium complex
josha
juncates
Klein's bacillus
lay an information against sb
lode formation
lunar material
main(drive)motor
merrow machine
motived
myxofibroepithelioma
numeric fixed length
oil faucet
one's blood runs cold
patchoulis
Perutz reaction
photoelectric colo(u)rimetry
planetary cosmogony
pourcontrel
precursed
print magnet
proxygenes
pulse train generator
radiating fin
recommended track for deep draught vessels
reimaginings
resinous
retinal cone
rigid surface
ring wiring concentrator
root slicer
root-mean-square strain
Sanjeli
scams
schoolmen
seifter
semiautomatic precision bridge
slaughter hall
Sparisoma
spieling
starting rod
strange town
taufik
teosinte
torquemada
upward transition
voltage-controlled crystal oscillator
wave slowness
well-hung
weyer
zero-gate-voltage drain current