料表面热流密度

THE PROPERTIES OF WATER Earth is an ocean planet. About three billion years ago, life on our planet began in the deep blue seas. Ninety-nine percent of the living space on earth is in the oceans. Marine life is incredibly rich and varied. There are

发表于:2018-12-04 / 阅读(95) / 评论(0) 分类 人教高中英语高二

[00:00.80]When the atmospheric concertrations [00:03.16]of these gases increase, however, [00:05.84]more heat is trapped and the Earth's [00:07.92]temperature rises. [00:10.37]Over the last 100 years, [00:13.01]the global average temperature [00:15.1

发表于:2018-12-13 / 阅读(140) / 评论(0) 分类 北师大版高中英语模块8(选修)

MICHEL MARTIN, HOST: Mars is about to get a new visitor from Earth tomorrow. If all goes well, a NASA probe called InSight will land near the Martian equator. Its mission is to study the interior of the planet. But, before it can carry out its missio

发表于:2018-12-18 / 阅读(110) / 评论(0) 分类 2018年NPR美国国家公共电台11月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(113) / 评论(0) 分类 Scientific American(三)月

But to fully forecast the floods, he needs a lot more atmospheric data. He believed robotic drone aircrafts developed for the military could continue to measure the air over the oceans, charting its temperature, wind and humidity. And the flight coul

发表于:2018-12-27 / 阅读(73) / 评论(0) 分类 探索与发现2014年

Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? 有件事情我们总觉得理所当然:室温下把一些冰块放入水中,

发表于:2018-12-28 / 阅读(110) / 评论(0) 分类 初学者听力文摘精选

Well, hearing that Odyssey had found subsurface water on Mars was enormously exciting for somebody who is involved in planning to send humans to Mars. Water has a number of important uses for us. At t

发表于:2019-01-02 / 阅读(132) / 评论(0) 分类 火星生命

Broadcast: Jan 21, 2003 By Gary Garriott Drying food is a simple, low-cost way to keep food safe for eating. Drying removes water that small organisms use to break down food into other substances. Som

发表于:2019-01-02 / 阅读(145) / 评论(0) 分类 VOA2003(上)-社会广角

-Im Chris Kaufman and I here with Justin Kasper, who works at Smithsonian, hes an astrophysicist at the Smithsonian. And he's won a project thats gonna launch a probe at the sun, specifically the Solar Wind Electrons Alphas and Protons investigation,

发表于:2019-01-07 / 阅读(124) / 评论(0) 分类 万花筒2013年

This is Scientific American-60 Second Science. I am Christopher Intagliata. Gotta a minute? Hair helps keep you warm, right? But hair can also keep you cooler than bare skin, as long as the hair is not too thick. So says a study in a journal-Plus O

发表于:2019-01-08 / 阅读(106) / 评论(0) 分类 Scientific American(十)月

Hair helps keep you warm, right? But hair can also keep you cooler than bare skin, as long as the hair is not too thick. So says a study in the journal PLoS ONE. Researchers studied elephants, which have very thin coats of hair. It's easy for the bea

发表于:2019-01-08 / 阅读(103) / 评论(0) 分类 Scientific American(十)月

The Properties Of Water Earth is an ocean planet.About three billion years ago,life on our planet began in the deep blue seas.Ninety-nine percent of the living space on earth is in the oceans.Marine life is incredibly rich and varied. There

发表于:2019-01-09 / 阅读(264) / 评论(0) 分类 高中英语听力人教版第二册

Scientists and politicians have gathered in the Indonesian city of Manado for the World Ocean Conference. They are discussing the role of oceans in mitigating climate change and how climate change affects the world's seas, but their efforts are hamp

发表于:2019-01-13 / 阅读(83) / 评论(0) 分类 VOA标准英语2009年(五月)

The Streaming down the Yangtze team is now at Ningbo-Zhoushan Port, which is the starting point of the Maritime Silk Road. In 2017, the port's throughput capacity was registered at 1 billion tons, and was the busiest port in the world in terms of car

发表于:2019-01-19 / 阅读(124) / 评论(0) 分类 2018CRI中国国际广播电台

It's just magic. When you follow it, you can see that this is the perfect union of the tree and the villages. The locals have kind of trained the roots, kind of guided them through and netted them together. What they've done here is they've grabbed s

发表于:2019-01-22 / 阅读(109) / 评论(0) 分类 自然百科2010年

By Brian Padden Paris 21 June 2007 The airline industry has long sought to develop new technology to offset the rising cost of fuel, but the industry also has looked to make flying more energy efficient. This year at the Paris Air Show many companies

发表于:2019-01-30 / 阅读(116) / 评论(0) 分类 2007年VOA标准英语(六月)

AGRICULTURE REPORT - Solar Food Dryers By Gary Garriott Broadcast: Tuesday, March 01, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Drying food is a simple, low-cost way to keep

发表于:2019-01-30 / 阅读(106) / 评论(0) 分类 农业与发展

The twilight zone refers to the area between 100 and 1000 metres deep where a small amount of sunlight can still penetrate. The region is packed with ocean life that plays a key role in keeping atmospheric carbon-dioxide levels 30-percent lower than

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

The first rockets were Chinese. In the 1230s the armies of the Song dynasty, 首批火箭出现在中国。十三世纪三十年代,宋朝军队 who were fighting Mongol invaders, started launching fire arrows propelled by gunpowder some 300 metres

发表于:2019-02-16 / 阅读(125) / 评论(0) 分类 经济学人科技系列

Oceans are the real powerhouse of the planet's surface behavior. 海洋是地球表面活动的真正动力源泉。 Indeed, meteorologists increasingly treat oceans and atmosphere as a single system, which is why we must give them a little of our at

发表于:2019-02-25 / 阅读(104) / 评论(0) 分类 万物简史
学英语单词
.mat
additional test force
adjusting wedge
affirma
aluminum substrate
ambrosia cell
amplitude discrimination circuit
andryalas
arabela
area celsi
astringingness
atlas vertebrae
bare-nucleon
Begēmdir Prov.
bidding for project
bilateral cleavage
bistorta
bond scission
bugliosi
cable recess
cade oil
Capello, Fabio
capital-allocation
ceiling panel heating
channel control block
chemical reactivity control
Chlorosplenium
cladding creep
claim ... right
color painting
computer security verification
construction code
construction installation work
contracting for buildings overseas
cross-slip
csallokozi
daytrips
depalatalize
Dormacon
dough-trough
embedded component
Endlichhofen
expansion mandrel
expected number of renewals
extraembryonic coelom
factor of load distribution
feem
foaming dust suppression
fotografia
gear ratios
hasluck
heat select
hemiterata
humidities
import limit
internal hemorrhoids
isometeorograde
Landegode
latent image intensification
left pulmonary capillary
mashpee
molasses cane
Mānkarnācha
nonpsychoanalytic
nonsimple curve segment
out.c.
Palos
pegger
playing-card
plotting activity
postvagotomies
preparate
pulsator dyeing
pulse controller
radio-element
reef fish
roof covering
sand-cement
semiconducting polymer
Sint-Maria-Lierde
small fortune
sorich
Spintheridae
spring ... on
subbasement
superaltar
supraspecies
sweet fermented flour paste
Sykes-Picot Agreement
terminal memory
tetrasiloxane
Timing Relays
torquetum
twin-stage
Udone-shima
undiligent
Vat Red Brown R
velocity-gradient map
vertebrae thoracales
way stations
well-lined purse
yemenites