硷性氢氧电池

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(170) / 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(106) / 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(148) / 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(88) / 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(102) / 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(91) / 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(153) / 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(144) / 评论(0) 分类 各大品牌英文介绍

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(129) / 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(111) / 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(124) / 评论(0) 分类 Explorations

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(134) / 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(133) / 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(108) / 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(88) / 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(182) / 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(117) / 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(96) / 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(85) / 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(85) / 评论(0) 分类 双语有声阅读
学英语单词
additional operating funds
aerospace automatic landing
ALGOL declaration
anterior column or rugae
Avarians
bank teller
banzi virus
basic rights
be a matter of conscience
blue jasmine
brick nog(ging)
bull pines
caryotin
chain of relays
chainwheel with crank
Chesneya
cholive
circles around
compatibility of fixed point constraint
conjugated steroids
Cope's
counterbalance valve
crystal ovens
cymbocephaly
daisy wheel printer
direct road
dispersion shock
educationalized
Edvard
English positives
error free signal message
ertegun
eternitarian
even-numbered observations
exan
foreshore zone
general tectonics
genus gyromitras
guancos
half-life loan value
Halocarpus
heart accentuated
heptanes
high modulus polymer
high oil temperature trip device
high-speed printing machine
hornest
IC lightning
Iles Marquises
indicator equation
intracavernous
island-arcs
ITVA
Lanceoletin
largest logical record size
Lippencott
liquefied petroleum tanker
loess-like loam
Mallory's triple stain
malted piece
metrical structures
miscellaneous data
missile site radar
motordynamometer
mucosa of tympanic cavity
navigation mark
necklace problem
newton law of cooling
Nitrobacterwinogradskyi
no-show
nonallergens
overlapping observations
pilocytic astrocytoma
plick
poisage
psychoanalyser
punched in
rabbits on
reactor coolant system
reducible hernia
relational logic
routing message
screen area
silver maples
Sitnica
snake polypodies
soil microscopy
solid state memory
specialized government agencies
stoplight party
subgrade surface
submediant
tawi-tawi i.
time control conversational
tissue conduction
to be written
tribromoethyl
vik
watchsprings
web-site
wood louver window