太阳电池的效率

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(199) / 评论(0) 分类 Scientific American(十二)月

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(163) / 评论(0) 分类 VOA标准英语2014年(六月)

Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens,found in the mud at Oyster Bay,Virginia,has been discovered to transfer electrons directly onto an electrode

发表于:2018-12-18 / 阅读(157) / 评论(0) 分类 有声杂志阅读

SCIENCE REPORT — March 27, 2002: New Stem Cell Study By Mario Ritter This is the VOA Special English SCIENCE REPORT. Researchers at an American medical center say special stem cells in normal human

发表于:2019-01-02 / 阅读(191) / 评论(0) 分类 科技之光

DEVELOPMENT REPORT – How to Make a Solar Water Heater By Gary Garriott Broadcast: Monday, November 29, 2004 I'm Gwen Outen with the VOA Special English Development Report. Solar water heaters save o

发表于:2019-01-02 / 阅读(244) / 评论(0) 分类 农业与发展

Homes are rising on the National Mall in Washington, D.C. No, it's not a return of Hoovervilles thanks to the Great Recession. These are solar homes competing in the U.S. Department of Energy's Solar Decathlon, which starts October 8. From Cornell Un

发表于:2019-01-07 / 阅读(167) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(216) / 评论(0) 分类 Scientific American(四)月

By Heda Bayron Zamboanga del Norte, Philippines 16 July 2007 House with solar panel unit in Patagan Electricity has yet to reach hundreds of far-flung villages in the Philippines. But a solar energy system project for the country's remote villages is

发表于:2019-01-11 / 阅读(185) / 评论(0) 分类 2007年VOA标准英语(七月)

Agriculture Report - Improving 'Feed Efficiency' in Cattle 农业报道 - 提高牛的饲养效率 From VOA Learning English, this is the Agriculture Report in Special English. 这里是美国之音慢速英语农业报道。 Animal feed is the bigge

发表于:2019-01-12 / 阅读(172) / 评论(0) 分类 2012年VOA慢速英语(十一)月

Large Windows Could Capture Solar Energy 利用大窗户吸收太阳能 Solar cells have been around since the 1950s. But now there is a race to develop transparent solar cell that can cover windows of buildings and still capture the suns light for e

发表于:2019-01-12 / 阅读(172) / 评论(0) 分类 2016年VOA慢速英语(八)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(154) / 评论(0) 分类 2015年VOA慢速英语(十)月

By Paul Sisco Washington, D.C. 19 July 2007 Silicon Valley in northern California originally referred to the corporate homes of silicon chip innovators and manufacturers, and the high tech businesses in the San Francisco Bay area. Today that region i

发表于:2019-01-12 / 阅读(229) / 评论(0) 分类 2007年VOA标准英语(七月)

By Katherine Cole Washington 25 July 2007 The city of Taos, New Mexico, was known as the Solar Capitol of the World long before then-Governor Gary Johnson officially made that declaration in 1997. The high desert altitude of over two kilometers and c

发表于:2019-01-12 / 阅读(211) / 评论(0) 分类 2007年VOA标准英语(七月)

India seems to excel at making things smaller and cheaper. The $2,500 car and the $35 computer are just two of the country's latest innovations. Now, India increasingly is focused on low-cost solar technology. The front lines of that effort are seen

发表于:2019-01-14 / 阅读(152) / 评论(0) 分类 VOA标准英语2010年(十)月

Volunteers Help Scientists in Search for Cheap Solar Cells Most of today's solar cells are silicone-based and their manufacture requires sophisticated machinery and expertise. An average home in the United States uses between 20 and 24 kilowatt hours

发表于:2019-01-14 / 阅读(154) / 评论(0) 分类 VOA标准英语2013年(七月)

Study: Running Sun Power Plant With Molten Metal May Be Cheaper 研究显示太阳电站运行或拉低熔融金属价格 Power plants that work with concentrated solar power use special molten salt to convert the suns heat into steam which turns the

发表于:2019-01-14 / 阅读(121) / 评论(0) 分类 VOA标准英语2016年(三月)

Paintable Solar Cells May Someday Replace Silicon-Based Panels 新型无机物料或取代硅板成太阳能板材料 Rapidly expanding solar cell technology currently relies on expensive photovoltaic materials such as silicon or cadmium telluride, w

发表于:2019-01-14 / 阅读(123) / 评论(0) 分类 VOA标准英语2015年(十月)

By Paul Sisco Washington 22 October 2007 Twenty college and university teams from around the world competed inthe recentSolar Decathlon that is held every two years in Washington, D.C. The U.S. Energy Department sponsors the event, and this year's wi

发表于:2019-02-04 / 阅读(147) / 评论(0) 分类 2007年VOA常速英语(十月)

By Mike O'Sullivan Los Angeles 16 November 2007 Auto makers who are showcasing their latest models at the Los Angeles auto show are expanding product lines in the hope of staying competitive in a changing market. Mike O'Sullivan reports, carmakers fr

发表于:2019-02-06 / 阅读(189) / 评论(0) 分类 VOA常速英语2007年(十一月)

PV solar technology is more complex. When sunlight hits a PV cell, electrons in the cell are knocked out of their orbits. Electric fields channel the electrons in a current used to generate electricity。 Unlike thermal solar panels, PV technology is

发表于:2019-02-15 / 阅读(116) / 评论(0) 分类 英语时差8,16
学英语单词
ac dialing
ad gustum
aeroplanktophyte
API hydrometer
begold
biochemical mechanisms
bird band
blastodermic disk
burgus
candy man
Cardamine violifolia
cardiomeasurator
cardioplasty
citizenship status
close-up picture
cloudscape
common wealth
companion star
cystogenia
daulte
descending to
die fledermaus
double-line tunnel
driven antenna
Edwin Landseer
Ehrlich's reagent
elastic weight
English reel
ENPEP (Energy and Power Evaluation Programme)
Ewaso Ngiri R.
filial duties
flexible gearing
foch
fungies
gacaca
Gadamer, Hans-Georg
gauze and lenno weave
Gibson, Josh(ua)
green development
greyish-browns
grinding spark
handlists
Hook's coupling
hyperbola of higher order
imagery assessment
instantaneous center of rotation
inter-item relationship
isopropyl thiogalactoside
Kiou Kan
knutzen
leboyer methods
leopard bone
lose efficacy
lycopodiophytes
mesocolon (or colic mesentery)
mocha coffee
morsal
moundville
multilayer motherboard
nada daiquiris
nagilactone
nineteenness
no-par-value share
Nonruminantia
Nämdö
oak leather
old rose
oral declaration
pagical
Paul Heyse
pitch face
plant orders
ploughing disc harrow
precalibrated reference standard
protofascism
Rayleigh disc
residue number system
roapiness
rod end
Saung
shifting clause
snake type strander
stabats
stair-step model
stomachaches
surplus in consolidation
synthal
toxinoses
trapping level
tumbling crusher
umbrella hood
unfunded debts
unmodulated keyed continunous wave
untroubling
uranous oxysulfite
vapor-phase refining
vasectomization
wars of american independence
wave-mechanical perturbation theory
wigglesworth
yesterseason