[化] 全同间同等量聚合物

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(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
absorption of water into plant in this way
Al Hoceima, B.d'
Amphiroa
analysis techniques for production control
as swift as lightning
ash-pit
automatic tally order
backslaps
berengarius
bottleneck operations
butt dial
butterstreams
buty mesityl oxidr oxalate
c-struck
canopy closure
centre on
chan
characteristic curve of film
circuit subspace
Cladothricheae
come on line
cytotaxonomist
dalisons
double pressure feed valve
drop-dead
dynamical loss shear modulus
e.o.
electronic integrating fluxmeter
Elliot, Mt.
enjoyin'
equitable defenses
evaluative model for multiple criteria
ferrari-carano
figuration
geezahs
general culture
Gibbs energy of solution
group mean centering
high-countries
hold a record
homologically equivalence
houranis
hyponymy
ingels
inherent drift
interim estimate
intermediate type bond
karaikal (karikal)
Kent, William
l-names
lapse into something
laundrymaids
layered vessel
litheby
lytoceratids
mesopsychic
mortonhalls
multiple factor
Nasirabad
natural system
Nazko
no room to
oiled coil
originating office
out-of-town
overson
plane
plantar cuboideonavicular ligament
pluckers
postaxial radials
propiconazol
pseudomembrane
pygmy waterlily
racings
radiant heating panel
reciprocal capacitance
refused freight
rhinids
rice rust
rollgang elevator
secondary segregation
shell puncture
short-setting
sialography
sibilities
silage conveyer belt
single acting raising machine
specialiser
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subatomic chemistry
subscriber's switchboard
survey land
sympathizing eye
take after sb
the working class
theory of consumer's budget
unamorous
usan
width of feet
yerba reuma
Yohannes IV