离子交换膜氢氧燃料电池

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(294) / 评论(0) 分类 VOA2003(下)-环境与健康

Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,

发表于:2018-12-03 / 阅读(216) / 评论(0) 分类 初学者听力文摘精选

Rachel Lee: The housing market keeps losing steam. Sales of previously owned homes fell 5. 7% last month according to the National Association of Realtors. If you're looking for a house , the group's

发表于:2018-12-05 / 阅读(179) / 评论(0) 分类 商业报道2006年

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(216) / 评论(0) 分类 VOA2003(上)-科技导航

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(227) / 评论(0) 分类 国家地理2008年

[00:00.00]Fuel CellEnergy in the Future [00:09.66]The price of oil has soared from $43.45 a barrel to $65.35, a 50% gain. [00:19.95]It is transportation such as driving back and forth to work [00:24.32]and visiting companies that burns lots of fossil

发表于:2019-01-02 / 阅读(171) / 评论(0) 分类 晨读英语美文60篇

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(185) / 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(217) / 评论(0) 分类 Explorations

Covalent bond - a strong bond between atoms formed by sharing outer electrons. When an atom has 8 outer electrons it is stable. Those which naturally have 8, like neon and argon gasses are quite unrea

发表于:2019-01-03 / 阅读(220) / 评论(0) 分类 医务英语

On Mondays, we report on the business of technology. Record oil prices and record gas prices are inspiring some Americans to rethink the technology they use in their transportation. People who must drive do have alternatives to the gasguzzling SUV an

发表于:2019-01-08 / 阅读(245) / 评论(0) 分类 2005年NPR美国国家公共电台

This is the VOA Special English Development Report. A hydrogen fuel cell powered bus in Hartford, Connecticut, in 2007. If you travel by bus in Sao Paulo, Brazil these days your vehicle may be powered by hydrogen fuel cells. The city's urban transpo

发表于:2019-01-11 / 阅读(165) / 评论(0) 分类 VOA慢速英语2009年(九)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Steve Ember. This week, we will tell about an American study of the brain disorder schizophrenia. We tell about cars that use hydrogen as fuel. And,

发表于:2019-01-11 / 阅读(278) / 评论(0) 分类 VOA慢速英语2008(十)月

Welsh Company Promises More Affordable Hydrogen-Powered Cars 生产更廉价的氢动力汽车 Green cars, powered by electricity from either rechargeable batteries or hydrogen fuel cells, are already on the market, but still too expensive for most c

发表于:2019-01-14 / 阅读(185) / 评论(0) 分类 VOA标准英语2016年(二月)

We wanted something that was really affordable. The fuel cell looked great: one-tenth as many moving parts and a fuel-cell propulsion system as an internal combustion engine and it emits just water. And we wanted to take advantage of Moore's Law with

发表于:2019-01-18 / 阅读(187) / 评论(0) 分类 财富精英励志演讲

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(172) / 评论(0) 分类 自然百科2008年

Scripts: The first official drive of a hydrogen fuel cell car in china. G.M boss Rick Wagoner telling CNN his company's ultimate financial viability depends on taking a lead in alternative fuel technology. I wouldnt want to try to be the, the you kn

发表于:2019-01-26 / 阅读(158) / 评论(0) 分类 商业报道2007年

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(176) / 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(169) / 评论(0) 分类 阅读空间

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(150) / 评论(0) 分类 双语有声阅读

There are several kinds of odor preventing and odor destroying treatments for textiles. For the most part, they work by killing or inhibiting the bacteria and fungi that cause odors. For example, these socks contain Quaternary Ammonium Compounds, or

发表于:2019-02-23 / 阅读(150) / 评论(0) 分类 英语时差8,16
学英语单词
a slap on the wrist
afro-brazilian
aircraft report
alcogene
aliphatic halogenated hydrocarbon
aloeswood
applicator roller
archduchies
audiograms
baffle cut
bend muffler
bifilarly
Billy Bunters
binge and purge
black silicon carbide
Burka Dare
butylene oxidation
by bike
cartographic data base management system
cellulose ester
Chiang Khan
cocm
continuous mortar mixer
corrective advertising
counselment
covello
covered pot
cultural liaison teacher
curlable
differential fusion
dry steam humidifier
Dukla Pass
dynamic power output
easterly dilution of position
eccentric-andpitman drive
economic decision-making
EIGRP
evaluation unit
flat compound generator
fractionator
gametogenetic mitosis
genus Hymenophyllum
geothermically
hadrodynamic
Hamman-Rich syndrome
hog piece
iccpr
illustrous
indium tin oxide
ion-ion streaming instability
jejuner
Klippan
Komandor Islands
limb bud
line of communication (loc)
LPBP
m. spinalis capitis
marinophenazine
mean division method
memoric instruction
minimodels
multiprocessing mass data
music wire
national airspace system (nas)
not right in the head
Noāpāra
odd-even element
on the backs of
opiomanin
outgoing data
pea bean
photosensitivity disorder
piston connecting rod
planetary interior
pocket barker
Poggendorff's method
Polycyclolithus
polysialoglycoprotein
poopsicle
psycho-visual
rochetta
RS-PC
saniopurulent
sea staff
sergeant york
single-barrel sigmoidostomy
soroti
Spirochaeta theileri
Spivack's rule
sporting events
stibogluconat-natrium
studiest
subjective symptom
tabloidisms
thought bubbles
torsibility
trendline name
ungallant
variable voltage system
vlei rats
Waltershausen
women sociology