[化] 氧化性聚合物

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(154) / 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(186) / 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(164) / 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(170) / 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(227) / 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(167) / 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(219) / 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(130) / 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(244) / 评论(0) 分类 VOA标准英语2016年(二月)
学英语单词
administratrixes
alj
alkalize cocoa
ambitious
amyles
anti-strange quarks
aplastic anemia
archocystocolposyrinx
Arthaxan
AS (aeroball system)
autopolyploidization
axial-flow speed
balancing an account
bar-and-dot generator
benjamin-constant
Buriti, Cachoeira do
choral symphony
coded directing character
composition of commodity demand
continuously circulating ropeway
corneal trephine
coventurers
creolisms
cyproheptadines
declining-unit-use charge method
demigrations
denitrosation
deperched
depth direction
detention officer
distinctional
dosimetric characteristic
dyncm
edge water
electron ballast
equal-sided angle iron
extensive forestry
feebly excited
Fenospen
flux albedo
Fraxinus retusa
fretting corrosion wear
full contribution mortgage clause
future copyright
gealousy
genus adalias
giantess
glass encapsulant
go around
groos
group of coboundaries
hand-stitch
high-pressure extruding machine
highly maneuverable aircraft technology (himat)
homeostatic response
instantaneous loss of shunting
JSTAR
judicial circuit
lan-guage
left hook
leftridge
lemish
maggoty-pies
Matthat
monostomatous
monotonic set
mucor sciurinus
national assimilation
nitrate asphalt
nucleophilic reaction
number of periods
orderly shutdown
percarbonic acid
peripheral trunks
photos
physics of mineral
place information
policy monitoring
radiospectrography
read-write check indicator
relative luminous efficiency
resistant to tarnishing
saredutant
scoolde
shift assembly
shock countermeasure
sialoductilitis
silver brain clip
slice up
strip heater
strip type magnetron
terminography
the authorities concerned
toot-a-loo
turn something over to somebody
underapplying
underappreciates
unwell
vernantia
warehouse certificate
why ever
zapanta