[橡胶] 炭黑比表面积

This feeling that I'm not who I think I am That something's telling me And honestly I think that there's some dark residing That lives inside of me It's like a creeps up from beneath me Something like a heartbeat's running through my veins On the sur

发表于:2018-12-01 / 阅读(132) / 评论(0) 分类 英文歌曲

Scientists have traveled to the mountains of Oman to find a way to remove carbon dioxide gas from the atmosphere. 科学家们前往阿曼山寻找去除大气中的二氧化碳气体的方法。 The geologists hope to find an effective and low-cost

发表于:2018-12-07 / 阅读(54) / 评论(0) 分类 2017年VOA慢速英语(四)月

[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(117) / 评论(0) 分类 北师大版高中英语模块8(选修)

Lesson 4 Black-lead 第四课 黑铅 What is the black-lead in your pencil made of? If you take a bit of the metal which we call lead, you will find that it is grey in colour, very heavy, and not at all like the black-lead in your pencil. But the lea

发表于:2018-12-18 / 阅读(75) / 评论(0) 分类 英国学生科学读本

This is Scientific American's 60-Second Science. I'm Amy Kraft. Got a minute? Out of control drivers aren't the only thing city cyclists have to worry about. New research suggests that cyclists are at increased risk of lung damage because of soot. A

发表于:2018-12-24 / 阅读(77) / 评论(0) 分类 Scientific American(九)月

Here are two seemingly unrelated facts. One: from the late 1940s through 1963, we tested atomic bombs in the atmosphere. Two: wine lovers are sometimes duped into spending exorbitant amounts for fake vintage bottles that werent from the year they wer

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(三)月

导购口语: I'd like to see the Apple computers. Do you have? 我想看看那苹果公司生产的电脑,有吗? My office needs two copy machines. 我办公室需要2台复印机。 Here's a list of the items I want for my office: two boxes of

发表于:2018-12-25 / 阅读(76) / 评论(0) 分类 最In导购口语

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(51) / 评论(0) 分类 探索与发现2014年

数千年来,大气中碳12和碳14的比例是稳定不变的,然而,二十多年以来的原子弹试验,使得碳14的水平增加。生长中的葡萄吸收了空气中的二氧化碳,而通过测试葡萄中的碳含量,就可以大致

发表于:2019-01-02 / 阅读(114) / 评论(0) 分类 60秒科学

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(119) / 评论(0) 分类 VOA2003(上)-社会广角

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(66) / 评论(0) 分类 VOA标准英语2009年(五月)

Study: Warmer World Will Produce Fewer Clou 气候变暖导致云层变少 With rising global carbon emissions, the planet will heat up and cloud cover will dissipate, according to a new study. The concentration of heat-trapping carbon dioxide in the

发表于:2019-01-14 / 阅读(83) / 评论(0) 分类 VOA标准英语2014年(一月)

Soot was cause for a different concern in another recent study. Scientists with the American space agency, NASA, suggest it as a major cause of global warming. The study says the problem is how soot interacts with snow and ice. Snow and ice have high

发表于:2019-01-22 / 阅读(59) / 评论(0) 分类 英语时差8,16

Just as I arrived at UCLA with my first faculty position, everything was falling into place in terms of the ability to answer this question at the centre of our galaxy. The telescopes were getting bigger so you had the due ability to see fine details

发表于:2019-01-23 / 阅读(55) / 评论(0) 分类 探索与发现2013年

Science and technology 科学技术 Going underground 向地底进军 A project to reveal more about all the carbon on Earth 旨在向人们揭示更多地球碳信息的项目 The Deep Carbon Observatory 深碳观测站 A world still full of secrets

发表于:2019-01-26 / 阅读(65) / 评论(0) 分类 经济学人科技系列

Technology Going underground 科技 去地球深处 A project to reveal more about all the carbon on Earth 一个将会揭示更多关于地球上所有碳的秘密的项目 THE carbon cycle is the stuff of school books. 碳的循环在学校教科书中

发表于:2019-01-26 / 阅读(70) / 评论(0) 分类 经济学人科技系列

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(90) / 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(60) / 评论(0) 分类 英语新闻

本期内容: Couldchipfathelpdirtyshippingcleanupitsact? Theglobalshippingindustryisasbigacontributortogreenhousegasemissionsasaviation, andtheheavyfueloilthatpowersitsgiantvesselsisexceptionallydirty-packedwithsoot, blackcarbonandsulphur.InSeptem

发表于:2019-02-20 / 阅读(68) / 评论(0) 分类 夏说英语新闻晨读

台湾籍旅美老师今天交给我们的句子是: In fact, a black hole with the diameter of a nickel would be slightly more massive than the Earth. It would have a surface gravity a billion billion times greater than our planet currently does. 事

发表于:2019-03-05 / 阅读(118) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
-uretic
.s
a. lingualis
absorbing inheritance
acetopyruvate
agreed
Andretti
annular-valve
Arorangi
aurothion
bank robber
banterings
Barthianism
be sharp upon
be stuck-up
between tracks connection
biorads
Calibangbang
California sampler
Carex aterrima
cartographical sketching
celpovesical ureterotomy
chamber installation
chianti
circle adjunction
circular cylinderical coordinates
Coggia
constant torque motor
cyclamidomycin
doggie doors
don't worry your pretty little head
elephant tusk
empty site
engine sump tank
engineering degree
entershock
epicycloid motor
Etoka
executive worker
exponential expansion
family Chalcidae
filmographies
fineman's nephoscopes
flywheel governor
full bearing period
genus Celosia
greatens
Hangelsberg
herring-bone
high tidal terrace
invalidity date
James Hargreaves
Katsina
l-year
lodge an objection
long-term rupture strength
material unit
materials in process
melitensis septicemia
method of unconstrained optimization
mucous peithelium
narrow angle
Netframework
neurosyphilitic
nonpowdered
oil tight hatch
one way operation
optimum impedance
orchiodynia
paloian
papillons
Pelapis, Pulau
perceivings
pges
pin clover
plant surface microglora
provide bail for
radar troops
savour of the pan
seat kilometers
SEHK
seikosha
sequential design of experiments
sodium dihydrogen hypophosphite
steam seasoned
stenozonal
Struve, Otto
stygiophobia
sulfemoglobinuria
sulfophenylate
surface relief
target kinematics
technical circular
thurstone scale
toilettes
tufted vetches
turn oneself into an expert
unhusbanding
universal resource locators
valemen
variety decline
vitaile