[化] 顺式有规聚合物

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
absolute refractory period
administrative situation
ainurs
Alfatiazol
ampato
anharmonicity constant
antivenoms
Arnott's anesthesia
avolating
backstabby
Bascuňana, Sa.de
beer line
Blackfan
Chitrali
crawl dozer
dichroic filter
different responses
dopa reaction
drive (driving) fit
drug peak time
ejection seat trainer
embring
emitter functional logic circuit
exclu
exposed gravel aggregate panel
fixed point of pressure
flabber
flowers and trees
foot rest lever
fubing system
full scale seakeeping trials
furfurals
gamut register
giang
harkat
honeycomb substrate
hot lunch
hypolipidemic
in-teinds
input/output indicator
intelligent computer coaches
interlamination resistance
isofagaridin
isotopic number
isotypism
jatiswaram (india)
large open lamp with stand
Luelmo
lugdorre
median bundle
meritful
Mikindani
mixed cost
multishare system
Musset's sign
narrow molecular-weight distribution
Nunsthorpe
oligomitic sediment
optoelectronic storage
orange peeling
parametric line
physiochemical biology
pigeonites
pilotballoon observation
plasma process
ply stress
podospermic type
pop-r
popinal
postboarding
power winding
quipp
ranging sieve
red wines
Redcliffe, Mt.
resoles
RKA
rotation flow system
round per minute
route of circulation
sengstock
sense of polarization
Simaraňa
single comsumption tax
soundlevel
spread of bearing
SR (silicon rectifier)
Synechocystis
t-biller
text form
thankfulnesses
tractus dentatorubralis
triode driver
Tsaratanana, Massif du
valuational
Vokhtoga
warrantying
wilderness Act
Yamaguchi-ken
yern-bliter
zanthoxylum piasezkii maxim.
zenana