[特医] 太空飞行重力生理学

Time spent in zero G changes the body: Astronauts come home with bone loss and muscle weakness. But what happens in their heads? To find out, researchers examined MRIs of astronauts brains taken before and after flight. They looked at 12 astronauts w

发表于:2018-12-24 / 阅读(92) / 评论(0) 分类 2017年Scientific American(二)月

China successfully launched its first human spaceflight mission in more than three years Oct. 16, placing into orbit a spacecraft carrying two astronauts that will dock with a new space laboratory module. 10月16日(当地时间10月17日),时隔

发表于:2019-01-01 / 阅读(94) / 评论(0) 分类 阅读空间

英国每日邮报的一篇报道说,在太空中,没人能听到宇航员打呼噜,但是,这或许正是他们失眠的原因. 为何宇航员在太空中会失眠? Daily mail: In space, no one can hear you snore - but that's probably because you'r

发表于:2019-01-01 / 阅读(96) / 评论(0) 分类 双语趣听精彩世界

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? You could think of it as the real dancing with the stars. Two white dwarf stars have been found twirling around each other to make a complete orbit in less than every 13

发表于:2019-01-08 / 阅读(106) / 评论(0) 分类 Scientific American(七)月

Gravitational Waves Detected, Einstein Is Right 引力波存在证明爱因斯坦是正确的 尽管花费了100年时间,最终科学家还是证明了爱因斯坦的理论是正确的,引力波确实存在 The waves were predicted as part of Ei

发表于:2019-01-12 / 阅读(90) / 评论(0) 分类 2016年VOA慢速英语(二)月

In 2016 the Laser Interferometer Gravitational-Wave Observatory, LIGO, made the first accepted detection of gravitational waves. So any time you move a mass it produces a gravitational waveso black holes, like the ones LIGO detected, these are stella

发表于:2019-01-20 / 阅读(119) / 评论(0) 分类 2017年Scientific American(三)月

When assembled, Michell's apparatus looked like nothing so much as an eighteenth-century version of a Nautilus weight-training machine. It incorporated weights, counterweights, pendulums, shafts, and torsion wires. 装配完毕以后,米歇尔的仪器

发表于:2019-01-29 / 阅读(78) / 评论(0) 分类 万物简史

At Principia's heart were Newton's three laws of motion (which state, very baldly, that a thing moves in the direction in which it is pushed; that it will keep moving in a straight line until some other force acts to slow or deflect it; and that ever

发表于:2019-01-29 / 阅读(109) / 评论(0) 分类 万物简史

Four months after the historic first-ever detection of gravitational waves, scientists said they have directly detected another gravitational wave washing over the Earth. 在引力波历史性的首次检测到四个月之后,科学家们近日表示

发表于:2019-02-02 / 阅读(128) / 评论(0) 分类 英语新闻

Chinese scientists have announced a gravitational wave research plan they're dubbing Taiji. The Chinese Academy of Sciences says their research plans will be finalized later this year. Academy member Wu Yueliang says their research will focus on low

发表于:2019-02-02 / 阅读(133) / 评论(0) 分类 英语新闻

David Reitze, executive director of the U.S.-based Laser Interferometer Gravitational-Wave Observatory, also known as LIGO, made the announcement in Washington D.C. Ladies and gentlemen, we have detected gravitational waves, we did it! The gravitatio

发表于:2019-02-02 / 阅读(82) / 评论(0) 分类 英语新闻

科学家发现宇宙膨胀的证据 WASHINGTON, March 17 (Xinhua) -- U.S. astronomers announced Monday they have captured the first images of gravitational waves, or ripples in space-time described as the first tremors of the Big Bang in which the u

发表于:2019-02-03 / 阅读(99) / 评论(0) 分类 英语新闻

They were proposed almost exactly 100 years ago by Albert Einstein based on his theory of general relativity but it was only in February 2016 that scientists proved the existence of gravitational waves. And now China is starting work on the worlds hi

发表于:2019-02-06 / 阅读(116) / 评论(0) 分类 英语新闻

Astrophysics 天体物理 Dust to dust 尘归尘,土归土 A dramatic recent discovery in physics is looking rather dodgy 近期,物理学中的一项戏剧性发现看上出非常模糊 IN MARCH Chao-Lin Kuo, an astrophysicist at Stanford Univer

发表于:2019-02-16 / 阅读(117) / 评论(0) 分类 经济学人科技系列

Leaders 社论 Cosmology 宇宙学 Man suddenly sees the start of the universe 揭秘宇宙的起源 The quest to understand reality takes a great leap backwards 科学新突破探索宇宙诞生之初的真相 IN THE beginning was the word and the w

发表于:2019-02-17 / 阅读(99) / 评论(0) 分类 经济学人综合

在阅读中把握GRE词汇含义方法技巧 GRE文章是论证性文字,不是说明性文字,也不是叙述性文字。这种以论证为特点的文字,及于GRE阅读文章的各个层面:篇章段落句子单词。篇章由多个论点组

发表于:2019-02-17 / 阅读(78) / 评论(0) 分类 GRE英语

首先我必须要知道,一篇文章中不认识的单词占托福阅读词汇总量的比例只要控制在8%以内,是绝对不会影响到我们对全文任何观点的理解的。基于这一点,我们大家大可不必因为遇到了几个我

发表于:2019-02-17 / 阅读(189) / 评论(0) 分类 GRE英语

Chinese scientists have announced a gravitational wave research plan they're dubbing Taiji. The Chinese Academy of Sciences says their research plans will be finalized later this year. Academy member Wu Yueliang says their research will focus on low

发表于:2019-02-21 / 阅读(118) / 评论(0) 分类 2016CRI中国国际广播电台

As altitude increases, atmospheric pressure decreases. This is due to Earth's gravitational pull on the air molecules in the atmosphere. The closer to the Earth's surface the stronger the force exerted on these molecules. 随着高度上升,大气压

发表于:2019-02-22 / 阅读(92) / 评论(0) 分类 留美老师带你每日说英文

首先要说的是,在阅读教学的研究当中,语言学家们发现,一篇文章中不认识的单词占全文词汇总量的比例只要控制在8%以内,是绝对不会影响到我们对全文任何观点的理解的。基于这一点,我

发表于:2019-02-25 / 阅读(102) / 评论(0) 分类 GRE英语
学英语单词
2-D
229
acquired dementia
action and reaction law
adiantum flabel-lulatum l.
alpine bearberries
alyssia
Aosta
application for code stamp
artificiality
AUTOTRANS
Bad Kreuznach
bernardas
bi-partisanship
bill williams r.
boydom
bubbliest
Chinese archaeology
cie1931 standard colorimetric system
closed question
convertible Eurobonds
corrugated pope
cupric tungstate
currently
damner
Delian Confederacy
differential modulation
distribution parameter
eastports
elastic tariff
endless cutting mechanism
excess-of-loss reinsurance treaty
fluffas
fractionated gain
full employment budget deficit
gasped out
hangiri
heavy vessel
high tension ignition
histamine suppressor factor
historicistically
hydrocarbon emissions
idiochromosome
imposing table
independent double link(age)s
instantaneous engine running condition and performance
iron chipings
jodhpurs
jun porcelain
kieseritite
laurelwood
Liouville's icterus
liquid-fueled
litigator
longsomely
low-noise reflector antenna
Lynchia maura
MERULINIDAE
metrological assurance system
millstream
Mind Bending
minimum detectable signal
Mouhamad
nerve cell
nomadized
nonpolarizing
optimum efficiency
parid
pathogen contamination
plate-type recuperator
polarization coupling loss
pond cypress
popescu
potato dish
production diagram
program technique
project tax liability
rattan basket
roof bolt
rudder trunk
S.J.Res.
scale ring
stabilized retinal image
stadium floritionis
state of disturbance
subchanters
synthesis radiotelescope
take it out on somebody
tall oatgrass meadow
tallowseed oil
tedemann's boides
telegraph system
the observed of all observers
three-part alloy
to overload
trolley rope
tulip break
ulcerative scrofuloderma
undeclining
urotropin(e)
variable frequency generator
woollenize