[化] 有机金属聚合物

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(144) / 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(172) / 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(152) / 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(155) / 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(201) / 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(160) / 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(209) / 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(229) / 评论(0) 分类 VOA标准英语2016年(二月)
学英语单词
2-propyn-1-ol
abdominal binder
ambient food
antasphyctic
ante-ambulo
anticonscription
associative adsorption
azoglobulin
bathyraja matsubarai
biopsy of testis
boiler water treatment
bolbitis heteroclita
Brookvale
bucholtz
bulk warehouse
Calihuala
carcinoma of testis
Chaidari
cleaning mill
coin-box telephone
conessimethine
contact type solid air snap
core competence
critical mountain height
cut in line
derived liability
disintegrator shaft
dreyfus affair
echophrasia
electronic peak-reading voltmeter
enriched output
extract a tooth
fabric cutting
fieldlore
firchau
first conditional
fixed inductor
flash fire test
foil changer
fracture of lateral condyle of humerus
geared davit
general sanction
graduatioin
graphite pneumoconiosis
historical culture geography
hovable
HPPI
incremental representation
incuba
innam
jockey's whip
lip mark
long digital flexor muscle
lowest conforming tender
maritime investigation
Maxitest
meshy surface
minibears
modelling program continuous system
monongial sorus
natica lacteobasis
Nevado de Toluca National Park
non-identities
nueske
on a short view
oscillomete
page copy teleprinter
pear bitter rot
periodic acids
planetary orbital data
plug for rotor cleaning
portseas
processed farm products
Pseudoneuroptera
radio receiving station
repatriation of fund
rolling lift bridge
sclerosing solution
semimodular
shiphouse
single administrative document
slenderness coefficient
slip-stick effect
square-set stoping
submarine vehicle
syndiotactic polystyrene (sps)
tanforan
teleprompted
temperature-range properties
towee
trintch
unbranched
underdepreciation
university of waterloo
unnaturalnesses
uric acid shower
vanish away
white mulberries
white rent
Win tips
x-butt weld