[化] 施密特法; 施密特制氢氧法

发表于:2018-11-29 / 阅读(537) / 评论(0) 分类 迪斯尼儿歌第二集

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(177) / 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(219) / 评论(0) 分类 VOA2003(上)-科技导航

ARI SHAPIRO, HOST: The first Harry Potter book came out 20 years ago today. And before there were multimillion-dollar movies, Sorting Hat Halloween costumes and temporary tattoos of a lightning scar, there were just two books published in England tha

发表于:2018-12-18 / 阅读(188) / 评论(0) 分类 2017年NPR美国国家公共电台6月

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(143) / 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(160) / 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(158) / 评论(0) 分类 漫画搞定六级词汇(文本+音频)

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(192) / 评论(0) 分类 60秒科学

Daylight Turns Thin Plastic Barrier into Germ-Killing Material Daylight-powered germ-killing equipment may someday help protect health workers from deadly microorganisms like Ebola virus disease. That is a finding from a study published in the journa

发表于:2019-01-03 / 阅读(146) / 评论(0) 分类 2018年VOA慢速英语(四)月

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(152) / 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(222) / 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(225) / 评论(0) 分类 Scientific American(四)月

凭借在iTunes和MySpace的成功,来自美国加州的流行女歌手科尔比凯拉特(Colbie Caillat)的处女专辑《Coco》一经发行便得到了很多歌迷的关注。在美国上市第一周,这张《Coco》共售出5万1千张,在本周的Billboard 200专辑榜中跻身前五名. 在没有与唱片公司签订合约之前

发表于:2019-01-23 / 阅读(309) / 评论(0) 分类 音乐咖啡厅

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(153) / 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(264) / 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(178) / 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(172) / 评论(0) 分类 阅读空间

BEIJING, Aug. 30 (Xinhuanet) -- The search giant Google admits it sees the new Google+ social network as an identity service or platform on which it can build other products, according to media reports. Google chariman Eric Schmidt said Google isn't

发表于:2019-02-08 / 阅读(167) / 评论(0) 分类 英语新闻

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(139) / 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(150) / 评论(0) 分类 双语有声阅读
学英语单词
'mong
.udf
a lead
a'la
accounting income
AHVC
air report
alloiometric
ambig class
asks me out
attitude passionnelle
Avahi laniger
bale space
body forming
brandwein
cafe noirs
cement water-ratio
chief stevedore
Clancy process (for gold extraction)
classification of evidence
concordly
container ships
conveying tube
coronaria ventriculi
crawling traction
creatininases
current phase
cut splice
decubitus ulcer
drunk as a bilod owl
dynamic hardware reconfiguration
elimination of tautologies
eomesodermin
Everitt
expansion chuck
fajr
flood irrigation
forum contractus
frame section surface
freelon
frogfarm
Gaigeria
glossoplegia
glued-laminated timber rigid frame
gun spraying
heterogenesis
hoker
Jaggarnat
kalium hydroxyquinolinum sulfuricum
keep the peace
laser ablation
lgth
line outage
liquid helium cooling
lo weite
logging recorder
loss of penis
m. genioglossus
mabolos
machine loads
mechanics of stick-slip
mercury-containing sludge
micromuses
mid-side node
moist timber
nail removal
orthomutation
oscillant
passing up
pick up piston
planesman
power control circuit
power sander
pressure transmitting medium
Prunus spinosa L.
Putabenge
Pyrrhonically
ramped floor
rechosen
retentio basin
right to claim damages
rowdydow
Samia walkeri
schoolboy error
Seti I
shipment schedule
silicide ceramics
Silicoflagellata
single function instrument
small-to-midsize business
special repair truck
St. Mark
static breakpoint
switching knob
Thiele's syndrome
tie-dyer
tishman
toranzo
tromboon
tytonidaes
UNIDCP
working torsion angle