光电子传感器

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发表于:2018-12-01 / 阅读(170) / 评论(0) 分类 用Mp3背六级单词

TEXT Seen through the eyes of a young friend Einstein was a simple, modest and ordinary man. The professor and the Yo-yo My father was a close friend of Albert Einstein. As a shy young visitor to Einstein's home, I was made to feel at ease when Einst

发表于:2018-12-04 / 阅读(225) / 评论(0) 分类 大学英语精读第二册

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

发表于:2018-12-24 / 阅读(150) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Electronics come in all shapes and sizesbut theres been a limit on their flexibility. Now, researchers say theyve created electronics that can be shape

发表于:2018-12-24 / 阅读(175) / 评论(0) 分类 Scientific American(十一)月

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

发表于:2018-12-24 / 阅读(130) / 评论(0) 分类 2015年Scientific American(一)月

One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

发表于:2018-12-24 / 阅读(140) / 评论(0) 分类 2017年Scientific American(二)月

A nightlight may keep those monsters under the bed. But it may also open the door to the blues. Because a new study reveals that animals exposed to light all night long show signs of clinical depression. If you have access to electricity, you no doub

发表于:2018-12-24 / 阅读(132) / 评论(0) 分类 Scientific American(十)月

Science and technology. 科技。 Photoelectric cells. 光电池。 To dye for. 利用染料进行能量转化。 A new type of cell may bring solar energy indoors. 一种新型电池也许能带来室内太阳能。 THE phrase indoor solar power sou

发表于:2018-12-31 / 阅读(131) / 评论(0) 分类 经济学人科技系列

四六级阅读占考试的比重很大,很多考友也为阅读烦恼不已,该怎么办呢?两个字:多看! 所以,从今天开始,每天会节选一些文章和大家一起阅读。 接

发表于:2019-01-03 / 阅读(152) / 评论(0) 分类 阅读空间

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling

发表于:2019-01-08 / 阅读(166) / 评论(0) 分类 Scientific American(四)月

DAVID GREENE, HOST: I mean, let's listen to this. (SOUNDBITE OF TV SHOW, STAR TREK: THE ORIGINAL SERIES) JAMES DOOHAN: (As Captain Montgomery Scott) Ready to transport. WILLIAM SHATNER: (As Captain James T. Kirk) Energize. D. GREENE: Yes, the familia

发表于:2019-01-16 / 阅读(165) / 评论(0) 分类 2017年NPR美国国家公共电台7月

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(137) / 评论(0) 分类 TED演讲教育篇

Well, I was born with a rare visual condition called achromatopsia, which is total color blindness, 我出生在一个色彩极少的世界,世界只有明暗之分,这叫做全色盲 so I've never seen color, 所以我不知道什么是颜色, a

发表于:2019-01-18 / 阅读(136) / 评论(0) 分类 TED演讲国际问题篇

Al Gore accepted the Nobel Peace Prize in 2007 along with Rajendra Pachauri accepting on behalf of the UN's intergovernmental panel on climate change for their work to sound the alarm over global warming. The Six Nobel Prizes are traditionally awarde

发表于:2019-01-22 / 阅读(145) / 评论(0) 分类 自然百科2009年

Science and Technolgy. 科技。 Photoelectric cells. 光电池。 To dye for. 染料光电池。 A new type of cell may bring solar energy indoors. 一种新型电池有望将太阳能引进室内。 THE phrase indoor solar power sounds like an oxym

发表于:2019-01-26 / 阅读(149) / 评论(0) 分类 经济学人科技系列

But the landmark eventthe dawn of a new agecame in 1905, when there appeared in the German physics journal Annalen der Physik a series of papers by a young Swiss bureaucrat who had no university affiliation, no access to a laboratory, and the regular

发表于:2019-01-29 / 阅读(140) / 评论(0) 分类 万物简史

Cat lovers of the world, rejoice! You finally have the chance to understand what your pet is saying thanks to a smart collar that can interpret feline meows and translate it into human speech. Aptly named Catterbox, the collar supposedly has a digita

发表于:2019-02-04 / 阅读(173) / 评论(0) 分类 实用英语

Science and technology 科学技术 Photoelectric cells 光电池 To dye for 染料光电池 A new type of cell may bring solar energy indoors 一种新型电池有望将太阳能引进室内 THE phrase indoor solar power sounds like an oxymoron. 室内

发表于:2019-02-07 / 阅读(162) / 评论(0) 分类 经济学人科技系列

If you've ever felt threatened walking home late at night, chances are you've phoned a loved one to make sure they know you're safe. 如果你深夜步行回家时感到害怕,你极有可能向你爱的人打电话,向他们报平安。 But maki

发表于:2019-02-18 / 阅读(141) / 评论(0) 分类 阅读空间

Marie Curie was born in 1867. She is one of the greatest scientists ever to have lived. She was a pioneer in the field of radioactivity and discovered the chemical elements radium and polonium. Curie is the only person ever to win two Nobel Prizes in

发表于:2019-02-19 / 阅读(143) / 评论(0) 分类 世界名人简介
学英语单词
acceleration field
actuator switching pulse
airborne unit
anchor warp leader
andreacchio
audio cassette recorder interface
autobitury
AZS automatic zero set
BDY
Beclomycin
biblicists
biochemical kinetics
bipotentiometric titration
black talc
blastopsammitic texture
bonifate
breathe down sb's neck
cable pole line
Carlyle circles
cast-iron boiler
cleitus
Clisham
common-midpoint method
conduction aphasia
Constantine III
cumshots
deep-sea going vessel
defatted antigen
degassed oil
demarce
devil's hand
disinvolve
disposable pipette
documentary-film
downward total radiation
egg breaker
endomomental
ennes
eppis
ferry house
frostiana
glass microelectrode
granite-grey
Helderberg formation
hobb
Kirchhain
lambda hyperons
luminescent plastics
LWPBR (Light Water Pre-Breeder Reactor)
Mastin's sign
materials in process
meconic
megafragment
microprogramming technique
mode-locked neodymiumdoped glass laser
moulting gland
multiple hearth incinerator
needle-and-thread grass
night monkey
Orea
ouricury oil
oyserman
packed extration column
palladium
parentation
peak reverse gate voltage
photographic meteor
Pinnatella
Pittosporaceae
Porges-Salomon tests
power variation rate
private line auto ring down
productivity movement
propenonitriles
pure element
Quemado, Pico
reconstructing beam
Redhill
regressive erosion
regular tessellation
rhizome geophyte
right jewel
Rothkos
round marching
s. l
salopes
single-sideband modulation
sinker head
slash line
soil impermeability
Strait of Ormuz
supplemental crop
swing mechanism
sword-and-sorceries
tax lien
thermonuclear reactors
three-jaw cocentric chuck
tight pulley
Tipp City
totalising
upper couch roll
wood violet