氧化铜光伏元件

By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The

发表于:2018-12-01 / 阅读(122) / 评论(0) 分类 VOA2003(下)-环境与健康

AS IT IS 2016-08-31 Indian Scientists Design Device to Collect Solar Energy 印度科学家设计设备收集太阳能 Indian scientists have designed a new device they hope will solve one of the biggest problems with the use of solar energy. 印度科

发表于:2018-12-08 / 阅读(94) / 评论(0) 分类 2016年VOA慢速英语(八)月

Rock-Consuming Organisms Alter Views of Life Processes LOS ANGELES Kenneth Nealson can be described in many ways, including expert in microbiology and biochemistry. But that's not the one he is most proud of. People call me the 'father of Shewanella,

发表于:2018-12-08 / 阅读(62) / 评论(0) 分类 VOA标准英语2015年(一月)

A new round of food safety checks is underway in China after reports emerged suggesting a number of egg-processing plants have been using potentially-toxic copper sulphate to help pickle lime-preserved duck eggs. CRI's Li Dong has more details. Gener

发表于:2018-12-19 / 阅读(62) / 评论(0) 分类 世界各地新闻集锦

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. One of the problems with large-scale solar power plants is that they require a huge amount of space. To rise above that problem Israeli researchers rece

发表于:2018-12-24 / 阅读(77) / 评论(0) 分类 Scientific American(三)月

Idiom: On good terms 人与人之间关系融洽,和谐 Hit the book: Photovoltaic Face up to Fossil fuel Catastrophic Destruction Burning question Conversion Promising

发表于:2018-12-27 / 阅读(110) / 评论(0) 分类 趣味青春英语

For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea

发表于:2018-12-30 / 阅读(103) / 评论(0) 分类 国家地理2008年

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(233) / 评论(0) 分类 知性英语

By Paul Sisco Washington 08 May 2008 Engineer Hy Brown was the chief engineer of the U.S. World Trade Center in New York City. Years after the terrorist attacks in 2001, he has found a new passion-- developing pre-fabricated solar powered houses in I

发表于:2019-01-11 / 阅读(62) / 评论(0) 分类 VOA标准英语2008年(五月)

Paintable Solar Cells May Replace Silicon-Based Devices 可喷涂太阳能电池可能取代硅基电池板 Solar panels are manufactured in factories. Some of the devices are made with cadmium chloride, a substance shown to be harmful to human healt

发表于:2019-01-12 / 阅读(80) / 评论(0) 分类 2015年VOA慢速英语(十)月

By Danstan Kaunda Lusaka 22 March 2007 A project in Southern Africa is helping promote the use of renewable energy sources. Its called INSABA -- The Integrated Southern Africa Business Advisory and is funded by a German NGO called IN-Went. Voice of

发表于:2019-01-13 / 阅读(75) / 评论(0) 分类 2007年VOA标准英语(三月)

Shams 1, which opened on March 17th is Abu Dhabi's latest step towards achieving seven per cent renewable energy production by 2020. By that date, Abu Dhabi plans to produce 1,500 mega watts of electricity from solar power alone. Various types of sol

发表于:2019-01-19 / 阅读(57) / 评论(0) 分类 英闻天下

It's boating season, which means it'll soon be time for that annoying ritual, the scraping of the barnacle. They latch on tight and don't let go. Barnacles can be a major pain. As they grow they build up calcium deposits under a boat's paint. And the

发表于:2019-01-20 / 阅读(52) / 评论(0) 分类 Scientific American(七)月

By Paul Sisco Washington 17 April 2008 Federal regulators in Washington have approved plans to upgrade the nation's Emergency Alert System to include text messages to cellphones and other mobile devices. VOA's Paul Sisco has more in this Searching fo

发表于:2019-01-31 / 阅读(87) / 评论(0) 分类 VOA常速英语2008年(四月)

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(204) / 评论(0) 分类 英语新闻

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

发表于:2019-02-07 / 阅读(193) / 评论(0) 分类 趣味英语

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi

发表于:2019-02-18 / 阅读(145) / 评论(0) 分类 英语新闻

Why You Shouldn't Leave Nude Photos of Yourself on Your Cell Phone The 23-year-old woman lost her cell phone in a restaurant parking lot. By the next morning, someone was texting nude photos of her to everyone. As regular readers have learned many ti

发表于:2019-02-24 / 阅读(78) / 评论(0) 分类 阅读空间

The Cleaning Power of Soft Drinks! 饮料的神奇清洁能力 Lets begin with a cleaning tip: If you have some tarnished or corroded brass that you want to clean, an old brass candlestick for example, you can use Coca-Cola, or any other cola soft dr

发表于:2019-02-24 / 阅读(57) / 评论(0) 分类 英语听力文摘 English Digest

本期内容: Solar Impulse, a solar-powered plane, completed the longest, transpacific leg of its round-the-world journey. The 72-metre-wide craft, powered by 17,000 photovoltaic cells on its wings and fuselage, has broken several solo- and long-f

发表于:2019-03-02 / 阅读(104) / 评论(0) 分类 夏说英语新闻晨读
学英语单词
Actinoscirpus
Actinothecaceae
aerocannon
alness r.
apsidal surface
aqueous caustic
automatic manual station
Bashkirians
Beuerberg
Bine-el-Ouidane
Biograd
Boltongate
Calanthe graciliflora
Caliciviridae
cathode flame
chored
collector area
color pyramid
coloured gold
come in contact with
common pathway
contra arithmetic series
count wheel striking mechanism
crackable
cubic kilometre
Dalwad
desaxe
diskspace
double dictionary
drawstring bag
energy diagram
enripens
Faverges
fimbristylis autumnalis roem et schult
five o'clock
flenoury
French inhaling
fridrich
Graecicize
gravity purity
guide vane assembly
gyroscopic angular deviation detector
hatchety
higher order predicate calculus
if you'll pardon the expression
in order for something to happen
inter-connectednesses
international standard bibliography
iron(ii) azide
jar proof
kletter
lateral-line organ
light radiation sensor
matzahs
messengership
migrating balloon
mogroester
Montanha
Mother's Night
Motier
no delivery attempted
north atlantic treaties
notched underlated preheater
on weekdays
oscillation impulse
outside mix nozzle
overhelm
oxypropionic acid
paper industry
phenolic glycoside
phymatosorum membranifolium
picket-fence
random connection
reabsorbed cost
redeemed
redimere
reversalability
Rioja,rioja
saxo grammaticuss
schnier
servomechanism compensation
shortsheeted
side wall frame
single-sided magnetically linear motor
soap cutting machine
Sotacor
sound title to land
spinnabler
sports lottery
state court
submirrors
summer term
supertwists
teasings
thermal coil
tricalcium silicate
type selection
underteaches
utets
vaporizing combustion chamber
vitriolating
zonograms