[化] 非线型高聚物

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

发表于:2018-12-24 / 阅读(52) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(77) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(60) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 Scientific American(四)月

66 神秘的彗星

发表于:2019-01-30 / 阅读(91) / 评论(0) 分类 科技之光
学英语单词
-cian
abstricting
agented
anti-humanisms
askout
audible aids to navigation
beanflour
bocland
bottomry bondholder
boutros-ghalis
Broz
brush kangaroos
butcher pig
cathode choke coil
cephalon
Chelonopsis albiflora
coasting vessel
coextracted
credit remittance
cybertracker
data processing interface
displacement of spleen
dog tooth leading edge
drynaria baronii (christ) diels
duplus
earthtones
elatior
engineering record
epiphanite
fax to e-mail
FIA Federal Insurance Administration
floats
force method
forced-savings strategies
foveal
freakouts
fuel channeling
full of guts
garden structure
Gaussian reference sphere
Gleina
gossett
hand-stand
hemiphonia
high-tension shielding
hot junction
hysterocataphraxis
hysterolaparotomy
in the middle of
infundibular fold
IRI/G
Krapivna
laboratory mill
lateral inclination of tracks
likishi
lithocarpus hencei rehd.
lorels
lubrication piping
lynestrenol
ma-in-law
main river channel
meprophendiol
midpoint method
millenar
multistage impulse steam turbine
oil transferring
oralistic
Ordoceras
partin
Pecanha
Peyrieu
photo transistor
planetary nebula
potatory
preservative paper
put someone at his ease
putsie
pyodermata
rec-assay method
review method
root celeriac
rubber track
scalariform thickening
Secretary of States
Serridentinae
Signals to Attract Attention
single countershaft gearbox
sliding shim
soil structure grade
Stikine River
strategic reserve
strip show
take responsibility for yourself
to stand up
transition apparatus
transport and communication facilities
triceratium scitulum
twiggier
tylon
variable controlled variable
vegetable oil cleaner
weapon carrier