氢氯电解槽

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(247) / 评论(0) 分类 VOA2003(下)-环境与健康

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(151) / 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(186) / 评论(0) 分类 VOA2003(上)-科技导航

General Motors calls it one answer to the problem of Americas heavy dependence on foreign oil--Hydrogen fuel cell vehicles. At the only gas station in Washington capable of fueling the vehicles, GM showed off few of its hydrogen-fuel-cell powered ve

发表于:2018-12-11 / 阅读(116) / 评论(0) 分类 万花筒2008年

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(195) / 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(147) / 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(156) / 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(179) / 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(185) / 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(214) / 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(143) / 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(224) / 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(155) / 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(168) / 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(146) / 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(128) / 评论(0) 分类 商业报道2007年

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(317) / 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(279) / 评论(0) 分类 趣味英语

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(223) / 评论(0) 分类 英语新闻

Oxygen itself is not combustible; it merely facilitates the combus tion of other things. (氧本身是不可燃的,它只是帮助别的东西燃烧。 This is just as well, for if oxygen were corn bustible, each time you lit a match all the air

发表于:2019-02-25 / 阅读(143) / 评论(0) 分类 万物简史
学英语单词
absence of testis
aotenesis
apparen density
be tired
beechwoods
bourgeoisie
brine spring
cancer patient
catalyst tower
chinese brown sauces
chip steaming
clumpinesses
come to blows
concepcion del uruguay
continuous plant
cotton suture
Cyclamen europaeum
dallavalle
dimethylethylpyrrole
distributed combustion
duckwheat
Earth Station-South Africa
economic growth at an appropriate speed
endangereth
exilement
face side
faggot sausages
famvir
fight or flight response
financial treasury
flame thickness
flapperish
garlic sauce
genus Stachys
globe rivet head
gojeb wenz (gojab)
goloe-shoes
good holding ground
gradient metre
guanabana
half-wave zone
hexatonic
hypopallium
inoxidability
intensive type mixer
key activity
kunoichi
Kǔjand
laying nest
length shear gauge
light emitting diode coupler
lower screen
lysionotin
material inspection record
metabolosome
midless
nesters
non-reusable twist-on connection device
oestrus oviss
okagura (japan)
omnifont reader
one-box
parallel action
perfect gas laws
Photokeratectomy
pied a terre
pillar bracket bearing
poetized
protective-equipotential-bonding
public folder
purles
ranney
regional bureau
rocked the boat
royal jasmine
safe landing
scissorbird
score system
set something aside
sobbingly
sorscher
spastic spinal paralyses
spayer
spheridal angle
spindle apparatus
squillgeed
stagger scheme
system optimize
tank hoods
telefrag
thumbwheels
tin-coated hurricane lantern
tramp iron rejector
travelling gantry tower
trochinian
universal hardness tester
vinylpyrene
walkmills
x ray line spectrum
Xin Qiji