[网络] 氢氧燃料系统

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(305) / 评论(0) 分类 VOA2003(下)-环境与健康

Well, that's limelight. What exactly was it? Well it was the burning of calcium oxide in a very intense flame. And when did the job of a limelighter begin? Oh, famously, the first recorded instance in

发表于:2018-12-07 / 阅读(180) / 评论(0) 分类 圣诞特辑

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(223) / 评论(0) 分类 VOA2003(上)-科技导航

Item eight. Vocabulary. fossil, molecule, hydrogen, carbon, sulfur. Petroleum has been important since ancient times. In Latin, the name means rock oil. Petroleum is a fossil fuel. The liquid comes from the remains of plants and animals that died mil

发表于:2018-12-27 / 阅读(145) / 评论(0) 分类 step by step 3000 第一册

Matthew / England speaker I hope not. I hope if they are driving cars they are run on hydrogen or perhaps something else, electricity perhaps, but I really hope we don't use gasoline anymore. Maiko / Japan speaker I do think in 100 years people will

发表于:2018-12-28 / 阅读(161) / 评论(0) 分类 一起闲话英语-English Chitchat

图片1 aerial n.天线 例句:The picture is much clearer with the new aerial. 装上新天线后画面清晰多了。 nitrogen n.氮 例句:Air consists chiefly of nitrogen. 空气主要由氮气组成。 oxygen n.氧 例句:Trees relea

发表于:2018-12-30 / 阅读(164) / 评论(0) 分类 漫画搞定六级词汇(文本+音频)

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(233) / 评论(0) 分类 国家地理2008年

One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water

发表于:2019-01-02 / 阅读(193) / 评论(0) 分类 60秒科学

SCIENCE REPORT — February 7, 2002: Fuel Cell Cars By Mario Ritter This is the VOA Special English SCIENCE REPORT. The United States Secretary of Energy, Spencer Abraham, has announced a program to d

发表于:2019-01-02 / 阅读(188) / 评论(0) 分类 科技之光

EXPLORATIONS -February 27, 2002: Fuel Cell Cars By Mario Ritter VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell a

发表于:2019-01-02 / 阅读(224) / 评论(0) 分类 Explorations

Hyaluronic acid - the largest glycosaminoglycan known, it plays an important role of restricting the flow of water in tissues, particularly in synovial fluid where it acts as a lubricant.. Hydrogen bo

发表于:2019-01-03 / 阅读(154) / 评论(0) 分类 医务英语

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(224) / 评论(0) 分类 Scientific American(八)月

One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water

发表于:2019-01-08 / 阅读(227) / 评论(0) 分类 Scientific American(四)月

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 year

发表于:2019-01-22 / 阅读(175) / 评论(0) 分类 自然百科2008年

BERLIN, April 25 (Xinhua) -- A study recently published in the journal Nature Chemical Biology opens up new avenues in biohydrogen research, the Technical University of Berlin (TU Berlin) said on Friday. Scientists at the TU Berlin succeeded in expla

发表于:2019-01-26 / 阅读(158) / 评论(0) 分类 英语新闻

AGRICULTURE REPORT - Compost: an Organic Way to Better Soil and Crops By Gary Garriott Broadcast: Tuesday, July 05, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Many farmers im

发表于:2019-01-30 / 阅读(270) / 评论(0) 分类 农业与发展

The U.S. space agency is moving ahead with preparations for Thursday's scheduled launch of the space shuttle(航天飞机) Discovery on its mission to the International Space Station. NASA said it was loading liquid oxygen and liquid hydrogen into th

发表于:2019-02-02 / 阅读(181) / 评论(0) 分类 英语新闻

German Car Manufacturer Audi Creates Fuel From Air And Water 奥迪用空气和水合成新燃料 Creating an alternative green or carbon neutral fuel to replace gasoline has been the holy grail for scientists for many years. However, while there has

发表于:2019-02-05 / 阅读(174) / 评论(0) 分类 阅读空间

巧妙拒绝别人 Establish boundaries and honor them for all to see 设定让所有人都知晓的界限,并坚决执行 Let your constituents know your priorities and limits. Don't continually break your own rules about when you are available or

发表于:2019-02-16 / 阅读(140) / 评论(0) 分类 英语听力广播—Listening

Hydrogen and Industries Hydrogen,the lightest and simplest of the elements, has several properties that make it valuable for many industries. It releases more heat per unit of weight than any other fuel.In rocket engines, tons of hydrogen and oxygen

发表于:2019-02-17 / 阅读(154) / 评论(0) 分类 双语有声阅读
学英语单词
'at
abrasion resistance alloy
ACATS
adeoniform
amphibian families
amplitude-versus-frequency distortion
anti-ferroelectric ceramics
anticlimactic, anticlimactical
associated Laguerre function
associtation polymer
bahre
ballart
beamsplitter holder
Belgian griffon
bethe-weizasaker cycle
bit-map image
black vultures
blended gasoline
bonytail chub
bowlful
Bren
bromine disinfection
burner phone
caul
check contact
cluster bean
de airing mixer
down sb.'s alley
duveneck
elliptical marker
emergency changeover
engine driven
Falope ring
Ferrotungspath
fine outlet
forecast figure
formamidoxime
frogspawns
gamma amplifier
Godwottery
ground chamotte
guettel
hacked bolt
Homans' sign
inductance-capacitance frequency multiplier
insufficient deliming
IP over ATM
isotensiscope
it refers to
keep on deck
lightning-conductor
like a lead balloon
low flow rate
lutjanus sebae
magnesium lactate
maintenance capital
Manebgan
maternity rights
momentum of development
monied
monohydrogen magnesium orthoarsenate
MyIE
naval missile
New Lebanon
notator
NRK
ozone box
p-ethoxychrysoidine
percent uncounted for
pneumatic caulking
pneumatic tachometer
Pneuropenil
position-registers
pothangers
precondemn
rabbit papilloma virus
reascensions
reciprocating conveyor continuous centrifugal
reduced take-off and landing (rtol)
regulation of tidal river
revelated
rhumb line bearing
Roches, Plaine des
Samit, Koh
self-reduction
semiconductor crystal structurology
semihiant
send someone to glory
shielded cable
speed stability accuracy
split palatal strap
state sector
stiled
surrounding work
thyrotoxic cardiopathy
transportive
uniform temperature region
urethral catheter with rotation tip
vicinal compound
vortex-flow
waste heat recovery
wounded ophthalmology