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
5-aminolevulinic acid
abdominal heart
ALVT
automizing
baccarin
Baie-Johan-Beetz
Barosma betulina
beeoch
blade tip cavitation
breme
brolly
burr cell
bush violets
Bǔrziya
carthamus seed
chimichurri
chloromorphide
clock-rates
completion of a field
coxo-femoral
denizen
derived unit of measurement
desert mariposa tulips
drachenfels trachyte(drakonite)
Einstein field equations
electronic apparatus
ellipticity of an ellipse
emparadised
equimorphism
euclidean traveling salesman problem
ever-larger
exhaust center
gas index
genia
gentiotannic acid
get cross with
gumple-foisted
heavy-gauge
Hi-bestrol
hucklebilly
Inefficient Market
inside clinches
interrogate interrupt
intervertebral system
intrunking
jig-grinder
laz
light hole
linentape
lube oil base stock
machine labo(u)r
macro-models
mandibular resorption
Matanuska Glacier
mentalities
moame
Morotsuka
n-person zero sum game
nena
niggli value
official holdings of exchange assets
old smokestack industry
option-like
oral ulcer
p-p-t
parallel chorisis
pertransible
phosphatic nodule
polyene macrolide
precritical state
preformed ceramic core
pristane to phytane ratio
Prodixamon
psycho-physiological
puttock
quartz clock
repossessions
Rumont
ruptured yolk
sarisa
seasonal viviparity
self-healing function
side grinding
slowing-down theory
soda-mesotype (natrolite)
soreai cannula
spatiates
spetrometry
spring-load
subclusters
sweat-damp
swineyard
Tana, I.
thermal neutron utilization factor
thorium nitride
trained on
turn over voltage
two-speed feed
tyrosols
vernier-rate control
white spindle oil
zurite