配位体聚合物

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
absenteeism rate
Abzac
acidic component
anode modulator
anthophyte
apparent unit stress
auxiliary electric drive
bembex
Booleans to bits symbol
catenane
cholesterolestertransferprotein
combine harvester thresher
common battery private branch exchange
compound die
condensate head tank
cracked
crate washer
cross-classified
delivery status
dieb.alt.
diplomatic prerogative
direct switching starter
dry process silver film
eating-disorder
emotional structure
esophagotomies
feign surrender
ferozepore (firozpur)
festo
fixed-rate pacemaker
flight indicators
forward area warning station
frame switch
genus Astropogon
genus persoonias
intransitive verbs
investment in a wholly owned subsidiary
junction compensator
klippel
laccal
lacquer engraving
lamington drive
line backer
link library
litte
local method
low copper nickel matte anode
luggage carrousels
malcontentedness
Marcinkiewicz's theorem
measures of association
megayacht
missile ignition delay unit (midu)
monocarpian
motz
multiple disc brake
nid-nodding
nonanimation
pennants
photoactive substance
polyhedrical
positioning of product
proteaceaes
question paper
reading skill
relative impact
respiratory flow sensor
retracers
rhIL-8
rhizophagous
rib deformity
room
satellite overall design
scattered X-ray
scout craft, scoutcraft
scrapped ship
self-energizing resilient metal gaskets
silicon lubricant
somatometric
sotogrande
stensons
storying
Stützerbach
subtle scheme to get money
suggestible
super-lawyer
Supporters of Islam
tailstrike
the outer space
tiew
tonsillitides
top of mind
truck mounted water well drilling rig
typography of relief printing
ulocarcinoma
uncooperatively
volume radiation
wall crane
wear data
Welega Kifle Hager
write through cache
Zarū