[化] 堆焊焊条

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发表于:2018-12-01 / 阅读(225) / 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(217) / 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(178) / 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(387) / 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(206) / 评论(0) 分类 Scientific American(八)月

By Patricia Nunan Srinagar 12 April 2006 Following nearly six decades of tension and fighting between India and Pakistan over Kashmir, some of the troubled region's leaders are looking for new ways to

发表于:2019-01-31 / 阅读(198) / 评论(0) 分类 2006年VOA标准英语(四月)
学英语单词
Alcmena
angle of convergence
angle of flap deflection
anhweiaconitine
antigentile
arm for limiting lever
ball hooting
Battle of the Somme
boussinesq fluid
buchholtz
bush dogs
calcaneocavovarus
central-station switchboard
charterists
citable
civil aviation organization
coal-truck
Coccolithophorida
collinear transformation
congenital nystagmus
coordinated price
corona test
counts corrected for coincidence (CCC)
cross magnetic field
cyclic variation of stress
cyclopropanyl
cylindrical corrdinates
daily consumption
device bay interface specification
dovishnesses
electromagneticss
entirely thermal resistance
episternal
erch
extraterrestrial sediment
facsimile transmission paper
glycomimicry
hardhanded
heading side
heart sink
hemosialemesis
high frequency plastic welder
hta
hydrokinetics
hyoscine chorea
indemnity agreement
iodobenzoyl chloride
kivas
London (Heathrow) Airport
longitudinal bars (branchial basket)
loose bowel
lostless
managedcare
manual plastering
maraffi
masuring means
mediate friction
Metasma
multisugar
neo-palladian
nymphacaceae
oil return check valve
organic liquid
origin principle of turnover taxes
parasitic convection
parenchymatosa keratitis
pinus fragilissima
pourveye
quatacaine
rational proper fraction
refoveates
retail packaging
revolution per minute
rhinophora
Rhinophylla
rock dust
room-temperature aging
Satovcha
saxe-weimar
sealed book
self closing cock
shut sb out
sialographically
single-family
social construct
sovereign power
special purchasing
spherical polytope
spray sagging
subtransferor
suturae plana
temperature-change epitaxy
testoxyl
Therese
toxic pneumochysis
turn the heat on sb
villainies
white coat high blood pressure
xenity
zaner-bloser
Zoraptera