含硼聚合物

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(199) / 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(219) / 评论(0) 分类 60秒科学

New Report Shares Secrets of Rare Blue Diamonds History The Hope Diamond is one of the worlds most famous jewels. It was in the possession of a series of people: kings, bankers, rich women and thieves, before its arrival 60 years ago at the Smithsoni

发表于:2019-01-03 / 阅读(257) / 评论(0) 分类 2018年VOA慢速英语(八)月

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(312) / 评论(0) 分类 VOA标准英语2016年(二月)
学英语单词
'Umar
airport tower
amphivasal vascular bundle
ancille
animee
antenna beam compression
apriorientropy
arval
ASPHV
autoimmune polyendocrine disease
average-position action
back washing machine
Bogie-car
Brighton and Hove
byte error correcting code
calculated risk
cambering
chapes
Cheron's serum
chief agglutination
Cipadessa
coal layer loading
cognitive agent
Colclough
computer vision
control network for deformation observation
cordia aspera kanehirai
cosmic hypothesis
crown wart
d-xylose
dynamic action management operations
electrical engineering department
electron data processing
environment cooling
epcot
ever sharp pencil
Fellowship of Reconciliation
filter attenuation band
floorings
Fluocinolide
folk dancer
fork and blade connecting rod
goddards
Hydraulic Seals
interest sb in sth
IREP
jelab
Joe Cole
jonty
leaped out
LEOC (local emergency operating centre)
lonicera gracilipes miq.
low lead fuel
macrinite
malleus malleus
meirelles
MiWi
mould for plastics
Mouzaki
neadend
no worry
osmian
patent collection
percival circuit
perfluoropropane
periblepsis
picking unit
picture chasing
precentorial
principal angle
product variables
pronominalize
proshika
pulse limiting rate
Railway Act
recovering
reversal coulometry
rotor length
safe carriage of grain
salt-water wedge
Saulx
series transistor regulator
Shībīan, Kowtal-e(Shībīān Pass)
socializable
some-what
space station antenna discrimination
spark-quenching device
special physical examination
strike the root
Sylvilagus aquaticus
T'aech'ǒn
teto
toggle joint unit
tracheofistulization
transformity
trigonal antihemihedron
ulric
unflocked
weather bulletin
wrinkle city
wygod