[化] 电子交换聚合物

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(85) / 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(112) / 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(99) / 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(96) / 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(115) / 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(102) / 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(145) / 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(68) / 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(144) / 评论(0) 分类 VOA标准英语2016年(二月)
学英语单词
ababas
acanthophora muscoides bory
adnato-decurrent
agogos
Aitken's linear least squares method
amenability
american-italian
anamigmatization
Antiribosomal
aqs
benzenepentacarboxylic acid
binary electrometer
blinkss
broadgates
captive finance companies
carabus (coptolabrus) nankotaizanus kano
character blink
cortical region
cypress knee
damn with faint praise
data break
dattas
deadweight displacement coefficient
defence to criminal charge
degenerate quadric
dehavilland
deimmunizes
delayed implantation
dietless
disciplinative
djenkolic
Draco Malfoy
engine girder
eolian transportation
equianharmonic tetrad
fleet the block
gradatories
Hadid, Jeb.
heptameric
high-voltage glow discharge lamp
hydrographic survey and charting system
I/O (input/output)
Indigofera nigrescens
intellectualisms
inter-university
Joplin, Janis
journalistic autonomy
jurisdictional princple
Kelafo
kepili
Kodiak Seamount
lento
Lewis County
London theory
longnose(d) sucker
lubartow (lyubartov)
matrix lane
measuring reservoir
mental status
mirror troght lighting
movable bridge
N,5-hydroxymethyltetrahydrofolic acid
noise-modulated
nonlate
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packag
pancreatic succorrhea
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POH
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portere
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pressure-regulating valve
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raphetamine phosphate
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ST_happenings-and-events_expressions-used-to-describe-situations
state of mind
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tool-to-tool
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vendroux
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