[网络] 聚合物渗透性

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(79) / 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(62) / 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
analytic group of a Lie algebra
approved first-aid outfit
be interspersed with
bebop
Biattershyia
block analysis
breedermobile
Bretton Woods Agreement Act
bridesmaided
cast-iron pipe
coherent processing system design
compositive criteria
consumer substation
continuity of care
cryptothermal deposit
cylindrical datum
de nouveau
deck sash
denitrators
desensitises
Donoghue and Bostock centrifuge
druben
Eccoilopus bambusoides
effect capture
elecltroreceptors
exporting firm
eye-protective system
factory payroll taxes
false nostril
family Nepenthaceae
flabbergastingly
flip-chip I.C
fluid capacitor
forequarter amputation
full-lap stop motion
goulburn
grandtravel
grazing ground
herrenvolks
heyl
horse-belly
hospital administrative program
ideal dielectric
isochion
Jenday
launch into sth
leav
licheniform
linearly ordered module
lonchura atricapilla sinensis
lunch
lycopodium power
maximum torque spark timing
melting and refreezing
mesosystem
metal diaphragm
methylmannosides
microwave aerospace navigation
Morchella vulgaris
multidefined label
net income after income taxes
non ferrous rolling mill
nongaussianities
nucleus of facial nerve
nulti-pass arrangement
octomitus pulcher
on-exchange
one's better
palaeobiogeographer
Phaeothamniales
philippine islandss
principal distance error
production sampling tests
quantum line
RADAT
ratio of equality
res nec mancipi
saccolabium
salt thermostat
San Juan Abajo
seriphuss
sideslip angle
Simão Dias
site testing
sodium fluoscandate
speedtainer
spiroscope
split window technique
state description
stellaria media (l.)cyr.
tars
telephone books
Thallus Eckloniae
thickness measurement of hull plates
thiobarbituric acid reagent
touch wood
tris(hydroxymethyl)amino-methane
tsessebi
visualization(in computer graphics)
volcanic winter
wax-polishing machine
weakly complete