[化] 杂环高分子

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(202) / 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(234) / 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(200) / 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(221) / 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(287) / 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(212) / 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(280) / 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(189) / 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(313) / 评论(0) 分类 VOA标准英语2016年(二月)

If you were going to a restaurant and wanted a healthier option, 如果你去饭店,你想吃得健康一点, which would you choose, grilled or fried chicken? 你会选择哪种食品呢,烤鸡还是炸鸡? Now most people would answer grill

发表于:2019-02-21 / 阅读(245) / 评论(0) 分类 TED演讲教育篇
学英语单词
abortus Bang reaction
all of it
all-optical wavelength conversion
ant bears
aphthongs
apple puree
area subcallosa
Ashtead
asprellas
Bangkok Bank Ltd
bar-codings
bevel pinion front bearing
breaking overvoltage
cargo pipe line
Champtoceaux
chattering
congruent points
Damnacanthus guangxiensis
data location
delivery hose
Dirico
dorgon
dynamic record ranging
electrostatic recording
energy metabolism rate
ensuing year
fluoridization
gold fevers
handsome is as handsome does
hanger abrator
hi-fi
Hokkien
input configuration
inside reports
Intsy, Mys
irrevocable indictment
jasminolene
jun-li
keelavine
kiln white
knee-replacement
laminar wing
late latent syphilis
liquid-filled membrance pressure gauge
locking-type plug
lollypaloozer
mad dogs and Englishmen
magnesio -clinoholmquistite
magnesium coke
magnocellular part
maniluvium
microprocessor address modes
minutias
monic equation
motherfuckingly
multitherapeutic
munchmuseet
mursell
nautical instrument
nephelium malaiense griff.
Nidrapas
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Nýiós
osmiridium alloy
outwash plain shoreline
painted skin
palmately trifoliate
phacochoerus aethiopicus
pisohamate ligaments
pliability
portable frame squeezer
proslogions
rattle trap
reactive paranoid psychosis
real-balances
scoop circulating water system
self-demagnetizing force
shutter-priority automatic exposure camera
sky show
snapring
sodium aluminum phosphate
specification tree
stargate
starnoses
stratum adamantinum
synthetic depolymerized rubber
telemetering pluvio-graph
tessellated macula
Tiber River
tin protoxide
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transpiration steam
trim of the hold
Tsebelda
tuques
unsigned integer format
unvicared
up-thrust
urethrovesiculo-differential reflextonus
wall hanger
yoked together