接地电极

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发表于:2018-12-01 / 阅读(95) / 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(89) / 评论(0) 分类 Scientific American(十二)月

September Equinox 秋分 We have an equinox because an imaginary plane extending outward from Earth's equator isn't the same as the plane of Earth's orbit around the sun. Learn more about today's equinox -- on Earth and Sky.. JB: This is Earth and Sky

发表于:2018-12-07 / 阅读(92) / 评论(0) 分类 (科普英语)Earth and Sky

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(63) / 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(265) / 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(72) / 评论(0) 分类 Scientific American(八)月
学英语单词
ADPLL
aircraft history
al mazar
aminocoumarins
Ardminish
attalus
background subtraction
boom outreach
brain cells
Calicophoron
carbonated beverages
Chatel-Censoir
cicada hawk
class merostomatas
close around
cologny
coloproctostomy
comatic circle
Concert of Europe
constant mass division
contents damaged
corresponding images
Dantzig-Wolfe algorithm
displacement boundary
down-warping
dust content measuring instrument
e-prescriptions
empoverish
entry block
Eschscholtzia californica
facial cranium
FDE (failure detection and estimation)
flow-through ionophoresis
gamewise
gas analysis
genus acrocomias
genus vicugnas
Geraci Siculo
go the bundle on
gross vehicle weight scale
Haubourdin
head-of-state
hibbs
highest-achieving
Hobson's choices
horizontal flight
hydrogen humidity
hydrostatic joint
Indraprastha
inner regularity
insultinator
Itapicuru, R.
jark
judicial arbitration
Kotoko
langkawis
leakfree
Lee Krasner
lingayen gulf
main controlling structure
martek
melchs alloy
mereswines
metacarpal ligaments
Morney
murraya jasminorage
nephrotoxicity
niccaz
noninfringers
oil-impregnated bearing
on both sides of the fence
on-off sensor
organic thin film transistor
part-score
phlegm-damp obstructing lung
plumetted
predominance
pricings
pub sb in the corner
quieteners
radiosulphur
rared
relative load capacity
restricted auction
ribooligonucleotide
roush
sanctioned
self-propelled gantry manure crane
senior colonels
sheep-walk
sinsigns
smoothing resistor
sob stuff
spidey sense
steam diagram
strategic road
tea drinking
technology-relateds
teething ring
transport area
underbacks
vestibular dilator