[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(123) / 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(128) / 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(137) / 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(136) / 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(124) / 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(156) / 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(106) / 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(168) / 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(156) / 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(175) / 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(110) / 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(134) / 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(153) / 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(147) / 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(133) / 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(119) / 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(226) / 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(156) / 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(129) / 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(136) / 评论(0) 分类 GRE英语
学英语单词
-punk
acephenanthrenyl
adenoidism
aftertaste
aggregate at constant price
air mass influx
Anah
army air base
Ashie, Loch
ATL
bewilderings
bill-of-lading freight
blast injection
bulk plastic flow
Bunaphtine
carbomethoxyphthalide
Carex siroumensis
cellular dam
chloralosed
cinema verite
comma delimited
contact oven
converter tube
corrugated expansion joint
Corydalis tibetoalpina
CRT storage
dinitrophenamic acid
drop lubricaton
dynamic neurology
elocutory
end-season sterility
endopericarditis
equitization
exchange equation
external cremaster
feeblings
fodderings
formosan white-bellied rat
fumigation charges
genus anthuriums
gob dump
Harkany
Harrop diet
high-day
index of co operation
inventory-short
iostream
knee-capping
l'acadmie
lachnopodus tahitensis
Lake Jackson
lapeer
large object salvage system
leyitron
lignel
loss on returns
magnetohydrodynamic arc jet
mecklenburg-vorpommern
mikulka
motor for wood-working
Nocardioides
nul (null)
On the Origin of Species
paraphrenia senilis
parasyphilcsis
parture
postsulcal part
potential good reduction
preponder
Psaki
pullers
quasi-synchronizing method
sackable
sclerecto-iridectomy
scrren conveyer
septum ventriculorum
shin-bone
Sinmae-ri
sludge carrier
smiths shop
special linear group
spring cresses
Stokes,George Gabriel
stride modulation
surface current classifier
systembuilt
thickening vessel
three-parent baby
torque-controlled pneumatic wrench
ukrofs
ureometer
userbase
v.k
velograp
Vena inferior vermis
Voko
volatility with steam
Weilesheng
wheat stubble
Wiedemann-Franz law
wildcat stock speculation
yellow-wood