极化光的磁致旋转

SCOTT SIMON, HOST: We check in each month with music maestros in public radio. Here is a sample of what they're currently playing in heavy rotation. BILL DEVILLE: I'm Bill DeVille, one of the deejays at The Current in St. Paul, Minn. And my pick is a

发表于:2018-12-02 / 阅读(105) / 评论(0) 分类 2017年NPR美国国家公共电台4月

The Ultimate Pitching Machine B y Tom McNichol / Originally published in WIRED Hardware and hard science are turning big-league ballplayers into precision-guided flamethrowers 1 I t’s the fastest hu

发表于:2018-12-02 / 阅读(109) / 评论(0) 分类 2016年NPR美国国家公共电台11月

CNN News from here Atlanta, Georgia straight to your classrooms, Im Carl Azuz, this is CNN Student News. Today were starting something called a payroll tax. Heres the deal on the payroll tax from A to Z. Americans have been getting a break on their f

发表于:2018-12-20 / 阅读(70) / 评论(0) 分类 CNN2011年(十二)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Birds and sea turtles can migrate thousands of miles, by reading the Earth's magnetic cues. But we too might have magnetic sensing abilitiesin our eyes. So say

发表于:2018-12-24 / 阅读(53) / 评论(0) 分类 Scientific American(六)月

今天我们要学的词是 polarized. polarized is spelled p-o-l-a-r-i-z-e-d, polarized. Polarized是指鲜明的,两极分化的,In today's highly polarized political environment, Republican and Democratic partisans have staked their positions

发表于:2018-12-30 / 阅读(96) / 评论(0) 分类 英语单词荟萃

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 kneel [ ni:l ] She knelt to pray. v. 跪

发表于:2018-12-30 / 阅读(127) / 评论(0) 分类 每日攻克5词

The auroras dancing displays of celestial light 在天空中熠熠生辉的极光 are caused by particles from the solar storm smashing 是太阳风暴夹带的微粒 through the magnetic field at the poles. 撞击地球两极磁场的结果 When the

发表于:2019-01-02 / 阅读(141) / 评论(0) 分类 太阳科普

This is Scientific American 60 Second Science, I am Cynthia Graber, this will just take a minute~ How can we search for life on exoplanets? Step one: examine the Earth as if it were an exoplanet. Thats the idea behind a recent look at earthshine. Res

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 Scientific American(三)月

This Scientific Americans 60 senconds science. I'm Cythia Graber. This will just take a minute. How did the zebra get stripes. One theory holds that stripes help confused predators. But stripes might be primarilly to protect zebras from ferocious ins

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 Scientific American(二)月

SCOTT SIMON, HOST: Time for our monthly check in with music masters who are not BJ Leiderman - who writes our theme music - public radio DJs with what they play in Heavy Rotation. NICK BRUNNER, BYLINE: My name is Nick Brunner. I am the host of Hey Li

发表于:2019-01-16 / 阅读(109) / 评论(0) 分类 2017年NPR美国国家公共电台7月

Astronomers have detected the brightest explosion ever witnessed in the heavens. It was a flash of light from across our galaxy so powerful that it bounced off the Moon and illuminated Earth's upper atmosphere. The researchers say if the blast had oc

发表于:2019-01-19 / 阅读(84) / 评论(0) 分类 VOA双语新闻 Bilingual News

The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e

发表于:2019-01-19 / 阅读(113) / 评论(0) 分类 2016CRI中国国际广播电台

Easily confused by this idea, there has a big thawed iron inner core, so that I think it's just the bar magnet, just permanent magnet frozen in nad, and that's where causes all the magnetic field. But it's too hot inside the Earth, that can't happen

发表于:2019-01-22 / 阅读(73) / 评论(0) 分类 自然百科2011年

今天我们要学的词是polarized。 Polarized, 两极分化的。 A polarized society, 两极分化的社会。 The debate over illegal immigration has become polarized lately, 有关非法移民议题而展开的辩论最近日趋两极化。美国

发表于:2019-02-03 / 阅读(72) / 评论(0) 分类 英语每日一词

The latest data from the twin Voyager spacecrafts suggest the outer edge of the solar system is not smooth but filled with giant magnetic bubbles. Scientists say the turbulent bubbles are the result of the interaction between the Suns magnetic field

发表于:2019-02-06 / 阅读(107) / 评论(0) 分类 英语新闻

JERUSALEM, May 8 (Xinhua) -- Israeli researcher Jacob (Koby) Scheuer, from the Tel Aviv University (TAU) School of Electrical Engineering, has developed a nano-scale gyroscope, the Ha'aretz daily reported Sunday. Scheuer developed a new optic-fiber n

发表于:2019-02-08 / 阅读(77) / 评论(0) 分类 英语新闻

Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by

发表于:2019-02-15 / 阅读(189) / 评论(0) 分类 自然百科2012年

The Eye of the Dung Beetle A number of animals, including honeybees and butterflies, use sunlights polarization in their navigation s , but the dung beetle is the first animal ever discovered to use moonlights polarization to guide its travels. Polar

发表于:2019-02-16 / 阅读(71) / 评论(0) 分类 英语听力文摘 English Digest

今天我们要学的词是polarized。 Polarized, 两极分化的。 A polarized society, 两极分化的社会。 The debate over illegal immigration has become polarized lately, 有关非法移民议题而展开的辩论最近日趋两极化。美国

发表于:2019-02-18 / 阅读(57) / 评论(0) 分类 英语单词荟萃

Voice 1 Welcome to Spotlight. Im Rena Dam. Voice 2 And Im Ryan Geertsma. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Picture a dark black sky. Suddenl

发表于:2019-02-21 / 阅读(69) / 评论(0) 分类 环球英语 Spotlight
学英语单词
accidental homicide
acetoarsenite
admissible load
allspice
analytical measurement
anisotropic shell
annuler preventer
apparent ionization efficiency
aramoanas
arterial tension
bacterial uveitis
beam transadmittance
binilunium
black box transition
Brasilicereus
breakover current
cable expansion loop
chicaners
chloromethyl chloroformate
Chlorophthalmidae
Chuchuras, R.
Clow
cobalt enamel
Commondale
cone sheath
customs inspection post
DDHI
deltasones
derout
DHCT
diaphragm strain gage
diaphragm-spring actuator
Dihl porcelain
epilan
Festuca rubra
flatbottomed
flatts
fully-killed steel
go on the random
got down to
hardin
heap storage management
Heinrich Rudolph Hertz
high-frequency resistance
hot space
hungerers
hydrophilic chain
icteroid
input-output control system (iocs)
instantaneous power output
Islamic Development Bank
keratomata
laetification
laggardly
lancasterite
limited disclosure
macro-residual stress
magnetic symmetry
marine archeology
micro-encapsulated chemicals
micro-wave communication
microdropper
mimosis
monitoring and hold-up tank
non customer
othniel
paddle type stirrer
Panaldine
patricliny
personnel agency
petagram
phelps
polar flagella
polar questions
port traffic flow
power-dressed
presiding chairman
pseudo-ainhum
R.F.T. classes
raincheck
repetition method
resect-
riles
rosin pitch
sampling without ordering
Schwann cell
seaplane depot ship
Sencor
sham Abram
snipin'
soda alum
stadium invasionis
statesman
thujanol
time of vibration
to the turn to a hair
Uozu
uzon
Waddan
wirk
wrong-size
yonderer