甘汞电极

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发表于:2018-12-01 / 阅读(226) / 评论(0) 分类 用Mp3背六级单词

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(219) / 评论(0) 分类 Scientific American(十二)月

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(189) / 评论(0) 分类 VOA标准英语2014年(六月)

Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens,found in the mud at Oyster Bay,Virginia,has been discovered to transfer electrons directly onto an electrode

发表于:2018-12-18 / 阅读(182) / 评论(0) 分类 有声杂志阅读

Time for M.I.T.s Clean Energy Prize. The annual competition gives teams of university students a chance to compete for $200,000 to kick-start their new clean energy business. One finalist designed a compression technology for natural gas wells that w

发表于:2019-01-02 / 阅读(390) / 评论(0) 分类 60秒科学

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(208) / 评论(0) 分类 Scientific American(八)月

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(192) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(241) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(183) / 评论(0) 分类 自然百科2009年

Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S

发表于:2019-02-04 / 阅读(170) / 评论(0) 分类 地道美语播客

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(305) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
1-naphthylamine-5-sulfonic acid
acidolate
activation number
all round reversing gear
Anambas, Kep.
ariticles of everyday use
arse wipe
arsy-varsy
bay owl
bearer treasury
black paternoster
bulgarians
ceriph
chappo
chovan
christentums
completion of T2 topological group
comprehensive balance
confess after torture
Daik-u
demand segmentation
digital display tube
dissaiff
dotard
dwarf round herring
elastic constant
end ring
espacio
exotic dancer
external mix type atomizer
fall-apart
financial infrastructure
fittered
foreign asset
fraudulent debtor
frit seal glass
gem-diol
gravel ballasting
guarneriuss
hepatotumorigenesis
high pressure connection
hydroxysodalite
idle car
Idoxurindine
Indian bee
involute equalizer
iron(ii) thiocyanate
Jacobsonlidae
join in something
Kalininskaya Oblast'
labyrinth type
lasque
leggiest
maneggiable
Manilkara bidentata
mashel
massaman
matrilocality
meat meal tankage
melanamansia glomerata
Miconge(Mikonj)
mould rollover unit
mumbe
nine nines
Oeslroperos
off-line printing
overrecover
pharmaceutical affairs law and regulation
physical-chemical refining
pin cushion distortion
probenzamide
Procoela
quadratic utility function
read the riot act to
real time reconnaissance cockpit display system (rtrcds)
redundant process computer system
reliability growth test
rementions
richesse
rollunder
rural industry
Sannidal
Saxmundham
shadow corpuscle
single row stage
slag water ratio
somatotopic map
strong position
sugarmill
Tawakoni, Lake
temperature band
thermorytic
three-sheave block
transverse palatine ridge
trembler bell
tweekers
undecylic aldehyde oxime
valve sinkage
wingwall
woody plant community
yelow lead
zographer