[化] 共缩聚物

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(77) / 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(60) / 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(78) / 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
-dactylia
a knight at the hammer
altitude instrument
biosynthesize
burn itself away
cage dances
calcareous spar
capacity of heat conduction
chatted shit
Clostridium caloritolerans
condylar post
core-spun elastic yarn
cross-in-circle
cross-over steam line
deferred address
deuterotheme
Diethylbromoacetamidc
dig and delve
disinhibited syndrome
drag down
drip mats
Dyskeratoma
eudicotyledons
first check
fixed end plate
genus Crotalaria
gilt spurs
gwyn
hanced
headworks
heavyweights
hegiras
high pressure pneumatics
high-key image
India-rubber fig
initiating signal
International pipe standard
intestinal sedative
journalistic practice
Kasagi-yama
kneesy
law case
line printer control unit
lobscuses
Maillardville
medium sodium water
meta-signaling protocol entity
metasubprogram
methyl n-amyl ketone
Microphysa elongata
milicent
multistage ore dressing
non-autonomous system of differential equations
noncuspidal
outside casual labor
Palaikastro
pervertness
photohalida
photovoltaic assembly
Plexus subserosus
plumbingware
position transfer
process card
product improvement audit
pulse synchroscope
puromucous
ran off with
rice milling principle
ride time
round stone
sawed-off
Schizopepon bomiensis
search for moving target
securities-veluation line
sensing unit
seringa
sheepshead porgies
side marker lamp
slop shoot
Solomon Islander
Stranvaesia davidiana
strata granulosum cerebelli
suction vortex
tinier
tongue-and-groove rolling
two-plate variable capacitor
type-b
Umm Laylāyah
uncombated
underworldling
uniselector distribution frame
uradal
valley scenic spot
valse
van der Kolk's law
villi of arachnoid
voice in the wilderness
welcomingness
welfare payment
wideopen
wild dog
with open mouth