太阳电池温度

Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

发表于:2018-12-01 / 阅读(225) / 评论(0) 分类 新东方背诵文选

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(98) / 评论(0) 分类 VOA标准英语2014年(六月)

Technology Report - How to Make Your Own Solar Water Heater This is the VOA Special English Technology Report. Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on a design

发表于:2018-12-16 / 阅读(83) / 评论(0) 分类 2011年VOA慢速英语(四)月

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(124) / 评论(0) 分类 农业与发展

From VOA Learning English, this is the Education Report. A group of students from Kenya was among winners of the 2017 Zayed Future Energy Prize. The 10-member team is receiving a $100,000 award to make their school a green energy institution. The Zay

发表于:2019-01-02 / 阅读(78) / 评论(0) 分类 2017年VOA慢速英语(三)月

They come from all corners of India, devoted pilgrims on their way to Shirdi,a town where a revered Indian guru Sai Baba lived. Legend has it he was a man who performed miracles to help the poor almost 100 years after his death. Shirdi boasts of a mo

发表于:2019-01-07 / 阅读(51) / 评论(0) 分类 万花筒2010年

-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(93) / 评论(0) 分类 万花筒2013年

PCRthe polymerase chain reactionis a crucial tool. The DNA amplification technique is used in genome sequencing, forensics and the diagnosis of various diseases. To give researchers more genetic material to work with, a PCR instrument repeatedly heat

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 Scientific American(十)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(117) / 评论(0) 分类 2007年VOA标准英语(七月)

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

发表于:2019-01-11 / 阅读(114) / 评论(0) 分类 英语杂谈

This is the VOA Special English Development Report. Solar water heaters are devices that use energy from the sun to heat water. Solar water heating is used around the world. An example of a rooftop solar water heater being built in South Africa The

发表于:2019-01-11 / 阅读(104) / 评论(0) 分类 VOA慢速英语2009年(四)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(103) / 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(87) / 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(164) / 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(137) / 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(80) / 评论(0) 分类 VOA标准英语2010年(十)月

the total solar eclipse is one kind of very unusual phenomenon, in that several minutes, the sky brightness will drop 1,000,000 times suddenly, the temperature can fall suddenly suddenly. Moreover the total solar eclipse time is longer, the temperatu

发表于:2019-01-17 / 阅读(81) / 评论(0) 分类 英语作文

By Prospero Laput Zamboanga del Norte, Philippines 16 July 2007 Electricity has yet to reach hundreds of villages in the Philippines. The Philippine government is tapping innovative technology to light up some villages, but in this report by producer

发表于:2019-01-21 / 阅读(113) / 评论(0) 分类 2007年VOA标准英语(七月)

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(78) / 评论(0) 分类 2007年VOA常速英语(十月)

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(59) / 评论(0) 分类 英语时差8,16
学英语单词
5L
activation pointer
activityconstant
adulterine guild
affreighted
air quality and emission standard
amine-galactose
arsacetin
birthrate fluctuation
bottom fired heater
broken udder attachment
bunyoro
cable driven
calculated on the basis of original price
cecere
Chasseral, Mt.
Chatkyi
code breakpoint
color-conscious
combination seal
composition factor series
conversion unit
country-style
dalkon
diagnosis refrigeration
dipivaloylmethane
disimilate
Dobu
dream-machine
electric heater unit
endurance limit diagram
entrenching tools
experimental therapy
exposure ratemeter
genus Scincella
give ... a show
Guruzāla
hardliners
have a cut at something
heat-capacity curve
honeycomb checks
in a world by oneself
infan
internal losses
iqab
iryne
jeets
jim Jam
jumby bean
language less programming
light power
Lintah, Selat
liquid air subcooler
lithagogue infusion of amber
machine chart
minimalised
model of straton
mud screen
mushroom tip
naper
natural number axioms
no acceptance
Noogoora burr
normally deenergized stick relay
omarus
operation for cranial nerve
paddy washing machine
parchment-like transformation
pattern positioner
pikeys
please confirm
poppets
positive electropism
PREFIXES AND SUFFIXES.
premonochromator
primitive glycoside
prolonged breath sound
protomicrocotylids
pyroxamine
read-in a descriptor
relative load capacity
retort
rock - fill dam
self-mortality
Semeiciclina
shore pines
single peak response
skew quardilateral
solenostemons
standard white pulse
stonk
supply phototransistor
syndrome of cold accumulated in liver channel
track lining tool
tungsten oxytetrafluoride
under orders
undermining method
unshadowed
uve(o)-
variation of scan amplitude
vena peroneuss
what's your name