维素型焊条

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(96) / 评论(0) 分类 Scientific American(十二)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(65) / 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(267) / 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(74) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. It sounds like something out of a bad science fiction novel. During World War II, a fungus called Tricoderma reesei ate its way through US military unifo

发表于:2019-01-08 / 阅读(65) / 评论(0) 分类 Scientific American(五)月

Turning Cigarette Butts to Batteries 烟头转变成电池 If you see a person carelessly throw a cigarette to the ground, what are you likely to think? That depends. If you hate people throwing things on the ground, you might think, That person shou

发表于:2019-01-12 / 阅读(72) / 评论(0) 分类 2014年VOA慢速英语(九)月
学英语单词
abour
acquisition debt
actual fermentation
affrenghtment
air slot
Amazonas
ampersand
antimilitaristic
arena of competition
assessment roll
associate director
auroral cap
Bacterium melaninogenicum
bamba
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be remembered as
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bradytrophic
break the leaf
C sharp
cadmus and hermione
catemer
choirbook
circumflex scapular artery
Coco Chan.
coefficient of contingency
cosmic rays observation room
Crimean Gothic
cross-eyeds
culvert wing wall
david hubels
dearling
DES
disinhibition syndrome
do someone to death
Dokshytsy
domangue
eat one's own flesh
equiaxed zone
explorist
flapped hydrofoil
floating dock pump
fluidizing chlorination
Guyon's method
Haab-Dimmer
handy scanner interface board
holographic tomography
inverted-pyramid antenna
inverted-V-bottom boat
jeck
Kleinleipisch
Lamina horizontalis
lennans
level of zero amplitude
losengers
Lovozero, Ozero
magnesium arsenite
majorss
Marks Tey
masako
metaglucina
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mjt
multiengined
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N'-dimethylguanylguanidine
neccesary
Nesacaine
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Noesske's treatment
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octonare
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Peronal Digital Assistant
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PT (penetrant testing)
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the storm and stress
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uncharnelled
uncounsellable
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Webster Groves
wrapping tape
Wrong foot
Zhang Tianyi