燃料化学感测器

发表于:2018-11-27 / 阅读(288) / 评论(0) 分类 英语口语1+1

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(205) / 评论(0) 分类 VOA2003(下)-环境与健康

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(163) / 评论(0) 分类 VOA2003(上)-科技导航

[00:21.89]lesson 1 [00:36.05]Have/has got =have/has [00:59.22]I have got a CD player, [01:03.97]but Jim hasn't got one. [01:10.92]Has Lucy got one? [01:22.99]I have a CD player, [01:31.66]but Jim hasn't/doesn't have one. [01:50.60]Does Lucy have a Cd

发表于:2018-12-10 / 阅读(168) / 评论(0) 分类 初中英语人教版初三

[00:03.89]Lesson 5 1 Dialogue [00:09.64]Mr Zhu is showing the students of Class 4 the chemistry lab. [00:16.30]Mr Zhu: Now,this is the chemistry lab. [00:20.45]Have you been in this lab before? All:No. [00:25.50]Mr Zhu: Ok,listen carefully,please. [0

发表于:2018-12-13 / 阅读(189) / 评论(0) 分类 高中英语人教版高一

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

发表于:2018-12-24 / 阅读(141) / 评论(0) 分类 Scientific American(十二)月

One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

发表于:2018-12-24 / 阅读(133) / 评论(0) 分类 2017年Scientific American(二)月

发表于:2018-12-25 / 阅读(142) / 评论(0) 分类 洋话连篇

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(173) / 评论(0) 分类 国家地理2008年

As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la

发表于:2019-01-03 / 阅读(161) / 评论(0) 分类 2014年VOA慢速英语(八)月

Take for an example, bio-diesel fuel can be made from vegetable oil and animal fats, and its chemical make up includes carbin chains, joush worth knows that he didn't learn the chemistry class and hasn't taken chemistry yet. Brook horper, a field in

发表于:2019-01-08 / 阅读(244) / 评论(0) 分类 CNN2012年(五)月

Having the opportunity to take on a diverse range of classes such as economics and chemistry along with her music studies is the perfect combination for Diane. Marsha James | Washington DC 10 August 2010 Oberlin Conservatory of Music Student Diane Ly

发表于:2019-01-13 / 阅读(145) / 评论(0) 分类 VOA标准英语2010年(八)月

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(172) / 评论(0) 分类 2016年Scientific American(十)月

As rising fuel costs drive up the cost of transportation, the transportation industry itself is being forced to change. America's biggest carmaker is closing factories where its largest vehicles are made, and expanding plants that build small cars.

发表于:2019-01-30 / 阅读(109) / 评论(0) 分类 VOA标准英语2008年(八月)

By Tom Rivers London 07 October 2009 Ada Yonath (file photo) Two Americans and one Israeli share this year's Nobel Prize in Chemistry for their work showing how the DNA code is translated into life itself. Americans Venkatraman Ramakrishnan and Thom

发表于:2019-02-03 / 阅读(135) / 评论(0) 分类 VOA标准英语2009年(十月)

By Kevin Billinghurst Stockholm 10 October 2007 The 2007 Nobel Prize for Chemistry has been awarded to Gerhard Ertl of the Max Planck Society in Berlin. Kevin Billinghurst has the story from Stockholm. The Royal Swedish Academy of Sciences honors Pr

发表于:2019-02-04 / 阅读(150) / 评论(0) 分类 2007年VOA常速英语(十月)

今天我们要学的词是fuel。 Fuel, 做为动词,有刺激的意思。The basketball player put his house up for sale, fueling speculation that he is being traded, 这个篮球队员正在卖房子,大家因此猜测,他可能要被球队换

发表于:2019-02-05 / 阅读(150) / 评论(0) 分类 英语每日一词

Kenya is joining a long list of countries planning to produce diesel fuel from the poisonous-but-oil-rich seeds of the jatropha tree, a plant indigenous to South America. The tree is at the heart of a five-year strategy to develop a bio-fuel industr

发表于:2019-02-06 / 阅读(163) / 评论(0) 分类 VOA标准英语2008年(八月)

By Teri Schultz Brussels 20 August 2007 The European Union says a Hamas plan to try to make money off EU fuel donations to the Gaza Strip means the suspension of fuel oil deliveries to the territory will continue. Teri Schultz reports from Brussels.

发表于:2019-02-06 / 阅读(194) / 评论(0) 分类 2007年VOA标准英语(八月)

A Japanese and a pair of American scientists captured this year's Nobel chemistry prize for discovering a glowing green protein in jellyfish that can be used to spot the beginning of diseases like cancer. Lisa Bryant has more on the prestigious awar

发表于:2019-02-06 / 阅读(125) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
-fugal
aiss
all-cotton
Allium teretifolium
amphioxea
andokides
anti-side-tone
Ballarino
beam-loading coefficient
breast tissue
build-up effect
cairt
cash and carry sales
centralized electronic control
centralized leadership
chain pipe cover
Chondrilla piptocoma
Choti Bāla
clay fertilizer
colpohysterotomy
complacency
countermagic
Croton caudatus
disparate paindts
ensiform appendix
file enable input
fluidity factor
flutterer
FOMCL
gangwayed
gas-chromatographic
Golden Temple
Graneros
Grewia urenifolia
ground telemetering station
helicosphaera carteri
hydroxide.
Hysone
identification chart
illegal felling of trees
in line processing
inertial starter
Jasdorf
latent capital
launch hire
lay-up period
longi-
lot by lot
make dead
meidel
Mohammat
Molucca
mychels
Nakwanga
narcissized
not-reversible noting
nothing to write home about
odd leg calipers
P.P.factor P.P.
palladous bromide
Pechlin's glands
phyllachora graminicola
positron annihilation radiation
productive metamember
prosopography
Providence County
Pseudoschwagerina
quadruplex editing
rendzina soil
ribes fasciculatum s.et z.var.chinensis maxim.
seating of the vessel head
seed file
shockheaded
shooting period
side blown basic bessemer steel
Sinosenecio palmatilobus
soft-corest
Softran
soluble theocin
square drives
starved
staymaker
sulfomucin
sulphuretin
teflon insulator
telectrograph
thermolysis curve
tiny engine
to hell with her
top fermentations
Trafonomby
training tower
transaction processing system (tps)
turn lock
tweeked
U-18496
unappropriated budget surplus
undefined record format
vestlike
wood rays
Yankwashi
zizanin