同极聚合物

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

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
.pgm
abyssal assimilation
ADA,A.D.A.
analog operational unit
artificial croup
authenticating
bag of nails
Berkeley Software Distribution
boulder ditch
Brandt, Willy
brass polish fluid
broadcast mode
cab apron
camerie
chlorophenates
classification of characteristics
cold inspection
concentration ellipsoid
conducing conduct
degrees of a polynomial
destinative
DIOGENE-2
earth-color
elaphe guttatas
electric check valve
equivorous
every like
exercising
Exosuit
extrafollicular zone
Filaria hominis oris
flyer lead
fo' shizzle my nizzle
four-seat
given-off neutron
granular limestone
green engineering
heads roll
high frequency seal(ing)
high noon
high-speed drivage
hydrodynamic transmission
idleness expense
inductive pick off
interequinoctial
isopropyl-malonic acid
jupes
lamkin
lay speakers
leibers
less-than-truckload
liposculpt
liquid chromatographic mass spectrometry
liukkonen
loan creditor
macroeconometric
manicure set
moulded powder
movida
nemara (an nimarah)
nonnecessities
Oldroyd model
ossomucin
own to
passenger agent
path-finder
precautionaries
probability proportional to size
pykonmorphous
Querpon
Raabe's convergence test
ramplor
regulation of servitude
renownless
rubstics
rulest
S hormone
shock concrete
sign manual
single fall and skid method
sith
spatial function
splash-and-dash
sprayability
spread-eagles
state coordinates
subadult
subpattern weakening procedure
superbiens
surgeons
swivel-pin
tabacosis pulmonum
thermosensitive luminescence
thymus epithelium
tsuneo
ultratraditionalist
vapor drying plant
voluntarisms
whatchas
wounding
ziczac
Zurich