碱性锌锰电池

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(215) / 评论(0) 分类 VOA2003(下)-环境与健康

CHAPTER TWO Reading POLLUTUO FIGHTERS [00:09.90]Judy is collecting some facts for a class project on pollution. [00:18.44]She is interviewing Doctor Ray,a scientist,about trees. [00:27.51]Judy:Why are you so interested in trees,Doctor Ray? [00:38.16]

发表于:2018-12-01 / 阅读(495) / 评论(0) 分类 上海牛津初中英语八年级

[00:04.88]LISTENING [00:07.63]Listen to the description of the three culture sites. [00:12.67]Complete the map of each site based on what you hear on the tape. [00:18.55]List the names and the importance of the sites,and what is being done to protect

发表于:2018-12-13 / 阅读(246) / 评论(0) 分类 人教全日制普通高中英语(必修)高一

[00:05.07]Unit 22 Environmental Protection Culture Corner [00:10.88]The World Wildlife Fund [00:13.93]The World Wildlife Fund (WWF) [00:16.91]was found by Sir Peter Scott in 1961. [00:20.98]His goal was to help protect the Earth's [00:23.39]natural e

发表于:2018-12-13 / 阅读(201) / 评论(0) 分类 北师大版高中英语模块8(选修)

Unit 8 [00:02.90]Save Your World!What Is Garbage?Garbage is everything that you throw away. [00:13.06]What do we do with garbage?We bury or burn most garbage. [00:19.54]Burying garbage is quick and easy but uses a lot of land. [00:26.07]Most land nea

发表于:2018-12-17 / 阅读(302) / 评论(0) 分类 河北加拿大版初中英语读物

金霸王国际公司是世界上制造和销售高效碱性电池的领先企业。金霸王是世界上最 知名卓越的消费品品牌之一。对于世界各地的人们来说,金霸王这个品牌代表了高品质的电池产品和不断创新

发表于:2018-12-28 / 阅读(157) / 评论(0) 分类 世界名牌博览

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(176) / 评论(0) 分类 国家地理2008年

Duracell is perhaps the worlds best known make of batteries. The brand is owned by the multinational conglomerate Proctor and Gamble. Duracell was founded by scientist Samuel Ruben and entrepreneur Philip Rogers Mallory. They developed an alkaline te

发表于:2019-01-01 / 阅读(172) / 评论(0) 分类 各大品牌英文介绍

Study: Planet-Warming Gasses Make Food Less Nutritious A new study shows that rising levels of planet-warming gases may reduce important nutrients in food crops. 一项新的研究表明,温室气体可能会减少粮食作物中的重要营养物质

发表于:2019-01-03 / 阅读(111) / 评论(0) 分类 2018年VOA慢速英语(六)月

By Greg Flakus Scientists in Texas are trying to find a way of reducing carbon dioxide air pollution by capturing the gas, compressing it and then putting it underground. This technique could also yie

发表于:2019-01-03 / 阅读(130) / 评论(0) 分类 VOA2004(下)--健康科技

This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. It might look and even feel like paper, but a new material created by scientists at MIT is designed to be an oil spill super-absorber. This technology d

发表于:2019-01-08 / 阅读(174) / 评论(0) 分类 Scientific American(六)月

DAVID GREENE, HOST: The amount of carbon dioxide in the air is rising because of human activity. And NPR's Merrit Kennedy reports that scientists around the world are trying to understand how more CO2 is going to impact the plants we eat. MERRIT KENN

发表于:2019-01-17 / 阅读(109) / 评论(0) 分类 2018年NPR美国国家公共电台6月

Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y

发表于:2019-01-30 / 阅读(237) / 评论(0) 分类 60秒科学

AGRICULTURE REPORT – March 12, 2002: Carbon Dioxide and Crops By George Grow This is the VOA Special English AGRICULTURE REPORT. Increasing levels of carbon dioxide gas in Earth’s atmosphere have

发表于:2019-01-30 / 阅读(172) / 评论(0) 分类 农业与发展

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(297) / 评论(0) 分类 英语新闻

China's father of hybrid rice is planning to expand its production of sea-rice at a newly founded research center in Qingdao, a port city in the eastern province of Shandong, local sources said last Saturday. 据当地知情人士上周六透露,中国

发表于:2019-02-06 / 阅读(158) / 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(262) / 评论(0) 分类 趣味英语

Drivers in the eastern United States may soon start paying for the pollution made by their motor vehicles. Nine eastern states and Washington, D.C. are launching a system of pricing the carbon dioxide produced from burning gasoline and diesel fuel. M

发表于:2019-02-14 / 阅读(158) / 评论(0) 分类 2019年VOA慢速英语(一)月

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(215) / 评论(0) 分类 英语新闻

ways to kill stress 减压秘诀 Eat Healthier 吃健康的食物 Though a lot of stress is psychological, there are also plenty of physical factors that contribute to this natural human response to perceived danger. In order to mitigate stress, make

发表于:2019-03-06 / 阅读(186) / 评论(0) 分类 英语听力广播—Listening
学英语单词
acid vapor
acid vat
all one needs
alloclase (alloclasite)
american grey birches
amoraim
battle - scarred
bevelled
birdsong
body heat
Bol'shaya Glushitsa
border ice
chairman of board of directors
chokeout
colletotrichum indigoferae
commencement of commercial operation
commercial base
dagger boards
difference sensitivity
Dinatrii
division device
earth foam
economic velocity
electric insulation glass fiber
ergatandromorph
F-mode record
family acrididaes
fasolds
fertility characterization
fluorspar structure
fusarium oxysporum lactucae
glycosuric acid
Goebbel
have no business to
heavier duty contact
heterokaryons
Histomibal
ice-borne
iodolium
ISCII
Liley
live-in circuit judge
magnetic deflection mass spectrometer
match wagon
meteorological report
mexafylline
mo(u)ld
mobile radio channel
myelocytic leukemoid reaction
non-practitioner
nuclear power stations
original term
out of my head
paracmasia
Penthaleus major
Pershotravens'k
phoma okura cooke
pivoting station
point reactor model
principle-based
private bag
proportional controller factor
Pteroearpin
pvc flooring welder
railway and highway combined bridge
rearaxle
reproductive anatomy
rewinding coil
S4B
Sambucus chinensis Lindl.
semiclosed impeller
set of strategy
sms.ac
SOM (start of message)
steam cross-cut saw
sub-contractors
survey camera aerial
task condition
tegmina
thivierge
thymol blue
tin anniversary
to tie the knot
tortora
towbin
trig dossier
Truchtersheim
uncry
untroubled
up path
upon closer acquaintance
uswest
Val-Limoges
varitypes
vector cross product
veranos
Victoria, L.
Vila Real
wear out failure
whight
William Richard Morris
Writing cash-secured puts