[化] 激光散射

澳洲流行天后 Kylie Minogue 最新MV《Crystallize》!小女孩演绎还没当歌星前的凯莉,拿着梳子对着镜子忘情歌唱,热舞。一代歌后的成长史呀,很励志的一首歌,有梦想就要去追逐。 歌词: When

发表于:2018-12-14 / 阅读(114) / 评论(0) 分类 流行英文歌曲

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(127) / 评论(0) 分类 2013年VOA慢速英语(二)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(123) / 评论(0) 分类 2015年Scientific American(一)月

图片1 glitter vi.闪闪发光,闪烁,闪光 n. 闪光 例句:The diamond ring on Nina's finger glittered in the light. 尼娜手指上的钻石戒指在灯光下闪闪发光。 illuminate vt. 照明,照亮,阐明,说明,使灿烂诚照

发表于:2018-12-30 / 阅读(152) / 评论(0) 分类 漫画搞定六级词汇(文本+音频)

Why The Sky Is Not Blue Look at various parts of the sky on a clear day and you will see that it is not a uniform blue. Even if the sky is deep blue when you look straight up, near the horizon it is lighter. This is partly due to pollution, but even

发表于:2018-12-31 / 阅读(94) / 评论(0) 分类 英语听力文摘 English Digest

Ouch! About a quarter of all school-age kids will break or otherwise damage a tooth. Adults have their share of cracked chompers too. But what if fixing a busted bicuspid was as easy as zapping it with a laser? Preliminary work with young rats has mo

发表于:2019-01-02 / 阅读(149) / 评论(0) 分类 英伦广角

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

发表于:2019-01-02 / 阅读(138) / 评论(0) 分类 2017年VOA慢速英语(七)月

American, French, Canadian Scientists Win Nobel Physics Prize Two men and a woman have won the 2018 Nobel Prize in Physics for their inventions in the field of laser physics. 两位男士和一位女士因为他们在激光物理领域的发明获得了

发表于:2019-01-03 / 阅读(153) / 评论(0) 分类 2018年VOA慢速英语(十)月

Imagine a world where sunlight can be captured to produce electricity anywhere, on any surface. The makers of thin-film flexible solar cells imagine that world too. But a big problem has been the amount of silicon needed to harvest a little sunshine.

发表于:2019-01-08 / 阅读(155) / 评论(0) 分类 Scientific American(二)月

This is Scientific American 60 Second Science, I am Karen Hopkin, this will just take a minute. Every year, about 10 million tons of paper winds up in American landfills and incinerators, which is not only wasteful but adds CO2 to the atmosphere. Rec

发表于:2019-01-08 / 阅读(142) / 评论(0) 分类 Scientific American(三)月

This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke

发表于:2019-01-08 / 阅读(213) / 评论(0) 分类 2005年NPR美国国家公共电台

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(187) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

发表于:2019-01-12 / 阅读(161) / 评论(0) 分类 2012年VOA慢速英语(一)月

STEVE EMBER: Im Steve Ember. FAITH LAPIDUS: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. This week, we tell about one of the most recognizable objects in science fiction the laser. And we tell how the laser has made its mark in the

发表于:2019-01-12 / 阅读(118) / 评论(0) 分类 2010年VOA慢速英语(九)月

AS IT IS 2014-03-16 Device Finds Malaria Infections in Seconds 通过医疗设备发现人体内疟疾感染只需几秒钟 Hello, and welcome to As It Is, from VOA Learning English. Im Steve Ember in Washington. Today on the program, we report on ho

发表于:2019-01-12 / 阅读(146) / 评论(0) 分类 2014年VOA慢速英语(三)月

AS IT IS 2015-09-22 Magical Invisibility Cloak Soon to Be Real 神奇的隐身衣即将成为现实 All you Harry Potter fans out there have reason to celebrate! Scientists say they are close to inventing a real invisibility cloth. Harry Potter is a

发表于:2019-01-12 / 阅读(140) / 评论(0) 分类 2015年VOA慢速英语(九)月

New design produces flexible panels using only 1-2 percent as much silicon Art Chimes | Washington, DC 19 February 2010 You can use 100 times less silicon. And that's potentially very significant. Harry Atwater Schematic diagram of the light-trapping

发表于:2019-01-13 / 阅读(149) / 评论(0) 分类 VOA标准英语2010年(二月)

Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the science of the future to eve

发表于:2019-01-24 / 阅读(182) / 评论(0) 分类 英语语言学习

THE ocean is dark and full of terrors, and the black dragonfish is the darkest of them all. 海洋中充满黑暗与恐惧,黑色的深海龙鱼是其中最黑暗的生物。 Its surface, new measurements reveal, is as black as the blackest materia

发表于:2019-01-26 / 阅读(145) / 评论(0) 分类 经济学人科技系列

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(163) / 评论(0) 分类 VOA常速英语2007年(十一月)
学英语单词
a hundred and one ways
a-c circuit breaker
a-class
aberrs
ag(e)ing time
amalgamated society of engineers
aotenesis
Aricanduva
audiovisual
bailecito (argentina)
Bhilwāl
blakeley
Bradenton
Cerdedo
Clark, Lake
clock speeds
closing the bank account
come to a grinding halt
Corraun Pen.
cottom
data-item synthesis
decorated flutings
deshi
DICERATIIDAE
displayscreen
dissemble
dosulepin
double-blind procedure
electric induction phenomenon
extranormal
facsimile signal simulator
farias
feedback transfer
fresh-roasted
gleyic luvisol
good opportunity
green vegetables
hedgehop
hematopoietic cord
Heslington
high-speed facsimile
holonovel
hopper discharger
implicit enumeration method
instructorish
international workingmen's association
intervention theory
Kearney
KMP algorithm
kubursi
labyrinthine vestibule
laminoid
law of contingent reinforcement
lead-acids
licoflavonol
marginal lobe
mild steel channel
modernising
multilobal
mycetina similis
nkosi
non equilibrium ionization
on the blower
overflow velocity
phase-modulation communication system
Phenolsulphonphthaiein
phereses
phyllosticta gossypii
picture to oneself
postdictive validity
precious garnet
preloading
private lender
pseudo adiabatic process
quadrature-axis synchronous internal voltage
reduction by intermaxillary ela tic traction
regulation game
resonated
retrosinus
rigidifier
scoring system
sds-s
self deceive
showie
shunted condenser
sink one's own interests
sorcha
sounding rocket
spinigerum
spontaneous hemothorax
succinge
sweep gear
tapioca adjuvant
Tax-evaders
texas armadillos
ultrafilter space
ultrareactionary
under his belt
under-escheator
urn(urna)
yolk protein
ziyangs