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(147) / 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(178) / 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(158) / 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(163) / 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(200) / 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(210) / 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(164) / 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(213) / 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(122) / 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(233) / 评论(0) 分类 VOA标准英语2016年(二月)
学英语单词
abate a nuisance
acroclinium roseums
anthroponymous
associate researcher
axis of trunnion
basic program preparation facilities
Billesdon
brim-curling machine
bubble size
cadge
case agreed on
Chapada do Norte
chell
comparative cost sheet
conflict avoidance strategy
Congosto
consumer budgets
conversion efficiency
coolant leakage
decorative coating
double null diverter
douglas pine
duct obstruction pancreas transplantation
ectdms (electrochemical thermal desorption mass spectroscopy)
equally probable
face-work
feering
Ferdinand II
file rentals
firefly luciferin
Gainesboro
Giemsaband
goal-oriented
goya y lucientess
grain warehouse
gravenites
hard-to-cut rock
haybale
heptylene dicarboxylic acid
herbaine
hobby-eberly
ice-bank evaporator
illegal omission
inflammatory rheumatism
jamb
judit
kasarda
key chains
Kilindini Harb.
law of alternate specialization
life salvage
light-case
luckhams
magnetic indicator
mahals
mamelucos
marah
mclnnes
Meiji Tenno
migration shift
mineralizing equipment of drinking water
modestinuss
mueller (density) matrix
neadmete japonica
non-operating outlay
noninertial
nonoxynols
orphenadrine
parallel knitting machine
phenacyl alcohol
present position
primes
pro-ubisch body
pyrosulphates
redelivery clause
refringe
retacked
retail price survey
safety cover
scatophagous
schalde
scotomas
serum cholinesterase
shoeboxes
smailes
spheniscidite
squabbly
squattage
steam line repture
Steinheim am Albuch
Streeter developmental horizons
Styrax L.
Suaita
swange
telnetted
THDR
Toltec
tube splicer
unpin
validity check
vegetation analysis
visceral fat