[化] 定向聚合物

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(145) / 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(173) / 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(154) / 评论(0) 分类 Scientific American(一)月

Lowering the Ceiling on Roof Energy Losses 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 traditional black asphalt roofs heat up in summer and s

发表于:2019-01-02 / 阅读(158) / 评论(0) 分类 60秒科学

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(205) / 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(161) / 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(210) / 评论(0) 分类 Scientific American(四)月

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(121) / 评论(0) 分类 2016年VOA慢速英语(九)月

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

发表于:2019-01-14 / 阅读(230) / 评论(0) 分类 VOA标准英语2016年(二月)
学英语单词
acrocoracohumeral ligaments
air mass type diagram
at the start of phosphorous depletion measurement
Bad Sooden-Allendorf
ballast fuel
be rent in two
belichick
Big Bear Lake
binding-brauerei
blank with qualified name
boiling point method
Bostrichoidea
Bramantino
breakups
cadiogram
callopistria clava
captain's
carved patterns
combination planes
correspondingly
Crestin
crystal momentum
crystalloiditis
cueingest
DC-8
Deryagin number
disk-type wave generator
East Mariana Ridge
edge thick of flap
electron tunneling effect
entity instance
entourage of building
f--k
flexible machining cell(fmc)
fregola
gear shift operating rod
generator trip signal
Globocephalus
Hang Seng Mainland Composite Index
hydraulic spray
iates
inductotherapy
institutionalization
isoresponse curve
korbin
Kurepa tree
labour-population ratio
law of nation
leave someone
liebhaber
lime tree
logical consequence
Los Alamos County
marog
mean square error efficiency
measure distance
measureb
Methylstanazolum
millesimally
Minnesota preschool scale tests
molecular mark
natural theologies
naushon
nebaj
net balance of trade
oblique cutting
offensive block
one-year file
Oradour-sur-Vayres
pain clinic
parasitic nematodiasis of tussah silkworm
personal computer memory card industry association
pishi
premonitors
profit transferred
receipt of notification
reducing enzyme
representational state transfer
reversible machine
roll magnetic anisotropy
Rostowski
round in
scoria cone
Sen Long
side-of-pavement line
sliding plate valve
snootier
sound-effects
space wind coil
squidders
status-symbols
Stump-height
sx-e
takecharge
titanium oxide porcelain
toxic effects
truhill
veader
visible polygon
volt-ampere-hour
wall-through bushing insulator
waterlogging tolerant crop