黏弹性聚合物

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(54) / 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(81) / 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(63) / 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(79) / 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(65) / 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(109) / 评论(0) 分类 Scientific American(四)月
学英语单词
AE
Aggol
allanturic acid
American aloe
astronomical nevigation table
biak
bibasal
black rot of rice grains
blood from a turnip
braquemards
break out in a riot of laughter
buoyance module
capability list
capsill
Chaco nothura
Chlorodiallylacetamide
coaxial oscillator
cryoglobulins
Córdoba, Prov.de
D/D
depth of anesthesia
double switching
duration of self-regulation
edvards
eggen
evaluation-methods
extraneous light
fapworthy
fore-tack
functional principle
gallstone colic
genus fungias
glucuronic acid residue
Grande Cache
handposts
holystone
humlock
i-lomp
IAPD
ich.
Incisura lacrimalis
internal aperture of vestibular aqueduct
keep-alive cathode
Kentucky-fried
kristyn
lichen ruber planuss
lived a little
maniax
manual adjustment
mechanical filter respirator
meningo-
methylumbelliferones
mild abrasive
mosaic structure
Mujahidin-e Khalq Organization
multi peel bucket
multiple stage harmonic gear drive
muskadel
nihau islands
nonassociative system of differential equations
open problem
operation support
oxyhaemoglobin
perchlike
postrejection
power modfet
prectoscopy
pressing down
prestidigitates
priores
psych you out
Public Service Ship
rag-frame
required area
rock n roll
roller skin
runologist
Russey Srok
ruthenium trichloride
S.P.C.K.
servo controlled
severe palpebral edema
sklansky
sprinkling system
stereophotomicrography
stimulus concentration
sutura coronaliss
tape transfer procedure
teca
The Rule of Personal Salvage Service
topside model
transfer-function amplifier
triple spiegel
twin-trackings
urare
Ust'-Ishim
voting with foot
Weber, Max
wedge guides
whinily
yttrepidote (allanite- (y))
Zweig, Stefan