[化] 高分子微晶

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

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(64) / 评论(0) 分类 Scientific American(二)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
学英语单词
'Babe' Ruth
Abild
actual hour
Alxiling
astronomy and astrophysics computing
asymmetrical dispersion
azo dyes
beer parlours
Bergading, Gunong
Boer Wars
brachial rheumatism
brown cheeses
Bārah
calculated latitude
cholecalciferol d
color-copy
counterfoil receipt
culrosses
culverwell
De Beque
de-ironing separator
deep twist-off can
deflector coupling
delafossites
dinglehoppers
dog-bite
fetherston
fibra
flatleys
foamest
Fraser River
fungous exostosis
Hamero Hadad
harpstring
have someone's fate in one's hands
health chemistry
hetero-filament
histrionical
hoberman
Hoverla, Hora
inductance standards
joybells
limnodophilus
longipedia scotti
magneto drive
Martens wedge
multipole order
multiunit tubo
musculus lateralis ventr.
NigP
Norris' corpuscles
nullabilities
number of revolution per minute
nym server
Ohisaurus
one's last gasp
orthoprax
ovate leaves
overdraws
Oyahue
pan pot
parallelopipedon
pheasantry
phonemic systems
plank harrow
polyhistidine
power losses
quarter-girth
R. N. Z. A. F.
radiator temperature drop
reciprocal teaching
rouquie
rummager
Saint-Servan
sainted
scheme of scantling
Seguril
sehnkwehn (sangwin)
semiabstractions
ship-to-shore movement
sixteenmos
sodium 12-silicotungstate
solar calendar
somatic reduction
spar for ship
special detail drawing
spray skirt
stationary universe
stratigraphic amplitude
strip to the skin
tank insulation
tape-wound magnetic core
toxemic jaundice
trusthouses
Turing completeness
unbiased importance sampling
usrs
vetoings
vice chairmen
weed attachment
weed regrowth
widegrip pushups