[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(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(285) / 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)
学英语单词
2-Hydroxydiphenyl
Aditendan
aluminium oxide cloth in roll
anthocyania pigment
art-houser
Baichongwo
barsukov
bearing seat
bevvies
bit-line
blade centrifugal tensile stress
bulldiker
cardboardy
Carvajal syndrome
cathode-ray h.f. direction finder
chauhans
chedli
chlorates powder
chorionic angioma
chuen
close to ... heart
code-sensitive system
coindication
continued ownership
cumberland caverns
dacrystenosis
dialed
diodic
divertingness
dobias
encyclopedical
enteritis cystica chronica
export advance
extrn
fen runners
following limb
frontboard
fuel control unit
funes
fwd.
genus of a quadric field
gloved
graftingtool
half speed (saturated steam) turbine
Hirudinaria
husking yield
hyperdiverse
hypothalamic regulating factor
hypothetical question
in-seam methods
indicating flow meter
infrared maser
institute of electrical and electronic engineers (ieee)
intermingled cold and heat
International Tort Act
International Ultraviolet Explorer
juniber berry oil
kotmales
Lalique glass
laserprint
limbate
macrolanguage code element
marckidine
meteor-stream
mixer-settlers
moisture examining instrument
nameless dead
null-indicating oscilloscope
officious will
orthoaluminic acid
output network
pancks
pathogenic QI in the body
Prakham
propend
property-owner
Pulheems
rabut
radio-frequency welding
Ramsberg
relational model
reticular formation of brain stem
Reverin
rippey
rotary tables
Sabuli
schedule of tariff concessions
scotylle
screw rod
silverish
solid state UPS
super-lattice
terminal transformer
trangcanthin
twist pair type telephone cable
unique consignment identifier
VoATM
wet solonchak
wide profile tire
Winisk R.
written authorization
zero gain relay