螫合聚合物

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
2-tetradecene
acoustic spectroscope
admontites
agreed interest rate
al segno
aluminophosphates
at a sitting
bacchanalians
Balagne
be dim
biounit
blow the fire
buscopan
cartridgebelt
centrifuge test system
channel address word
characters per pica method
chelatases
chess set
chocolate bloom
coefficient of effective action
colleseed oil
Cornus ferruginea
correcting fluid
customer name
Dalchonzie
declientize
diamond stick
discriminant of a field
drovers
dual-processors
featness
fire stick
firingconsole
flat-picked
fracture English
gilt-edge
give sb. the edge of one's tongue
glassphalt
global hydrology
Gouzé
grinding media charge
high-low lamp
HTML
idiorepulsive
illiberalisms
in security for
inclined adit
informance
intracellular product
invite round
kiddie cam
knowlands
Lawrence-Seip syndrome
leucoddy
linkage isomerism
manual metal-arc
marshal the assets
menaphthene,menaphthone
Metanabo
microchemical
mode coupling
moderate pulse
Mosteiros
nankou limestone
national trading policy
non-natural
nonfacilitated
nutrient specification
ophiusa tirhaca
optoelectronic circuit
organisation
OUk.
photoelectrical coded compass
rat-holes
ringshaped
S antigens
same system
saturable resonator
sauer
shell moisture content
Sir Alfred Charles Bernard Lovell
skirting
social overhead infrastructure
sodium cyanide poisoning
STL
swansons
Sweden-style
sweeps along
taxation of income
terminal ileus
the Ordnance Survey
thiry
tombalbaye
turret-hatch race lock
under-sewer
ungrowable
untouchableness
Urupskiy Rayon
utricle
water reducing admixture
yeast beer