聚合物浓溶液

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(78) / 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(61) / 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(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
acetyl triethyl citrate
air disc brake
Alleizettella leucocarpa
anacardium
anosia
article of agreement
avalanche noise
Bacillus ulceris cancrosi
biogenic greenhouse gas emission
blissing out
borispol (boryspil)
brush-cut
business logic layer
carboxylate lubricant
cashew nut oil
chemical study
CL (confidence level)
consumer obsolescence
diagram language
dindal
dust-guard
edge venting
effective cylinder volume
elastico-viscous liquid
factory processing
ferrugineas
fitzgerald trait
fusion-power
genus pothoss
green potato
guide seam
hair-driers
hi pot
hurumite
in-house counsels
indentureships
IRS-PCR
jody
Kavitate
kempes
kineto-elastodynamic analysis
kovar wire
kuhak (quhajin)
kumaon
lady's thistle
lesser cardiac veins (or small cardiac veins)
Lumatron
magnetic power-factor
matrix-valued
microbores
microprocessor system software tool
microraptor
nautical medicine
nonheroes
Notocheiridae
oxygen bomb test
percussional
perennial pea
Persee
phase structure function
photoconductive layer
photofabrication
plural production
preparation by magnetic separation
protest group
radial cutter
railway engineering
Raisio
rate accelerating material(RAM)
Rauchfuss'sling
rejigs
right aileron and trim tab
roomette car
RP6140
selection option
shaggy - dog story
single-phase earth fault
sliding blade compressor
sodium salvarsan
stability power limit
state - of - the - art facility
sugar house
sumac fragrant
tank inductance
the spider's banquet
Thometzekite
timasius lundbladi
transitional motion
trichophyton gypseum granulosum
trigonal hybridization
tuskier
tussock moths
two-storied gallery
university of chicago
variable coefficient
volume-heated
Watson Peninsula
wearcomp
Welland
xalostocite
xylophagic
yeast protein isolate