仿生聚合物

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(126) / 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(153) / 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(134) / 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(139) / 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(175) / 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(144) / 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(197) / 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(107) / 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(205) / 评论(0) 分类 VOA标准英语2016年(二月)
学英语单词
acid value acid number
aircraft navigation
amphibious striking forces
anti-mycotic finish
antoine laurent lavoisiers
armed service electrostandard agency(asesa)
asyntrophy
Bachelor of Science in Architecture
banana pudding
begathon
beliaev
biotite gabbro
block buffer
box switch
buffer arm
Bursφ
category of behavior
chalcogenide vitreous semiconductor
chicken giblets soup
clamp band
CMC (carboxyl methyl cellulose)
Collyrites
combat pilots
complementary bipolar
coracobrachial muscle
cototients
crude mortality rate
diplomacy of equidistance
double coding
duellos
E-E reaction
epiboly
expectorants
fairweathers
Floating-point coprocessor
foxtrots
gathered
hemi-splenic transplantation
hexagonal nomogram
hyperelasticity
immaterialized
james tobins
joint managing director
Kotturu
laser level
lateral error
liquid cooled gas-turbine blade
lymphocryptoviral
macabrely
massive array of idle disks
MCBF
mean-diameter blade length ratio
membrana reticularis
meso-scale
muddy the waters
mus triton
Nianforando
nj
nonrepresentational
octal timing signal
open government
overflow gate
p-chlorobenzonitrile
photoelectrostatic image
plead no contest
political situation
program copyright
protective cloth
qualification share
quantum cosmology
quinologist
quotient topological group
radiotracking
radisectomy
redox potential (eh)
resource consumption
rockheaded
roll gap indicator
sang by ear
Sarcophaga fuscicauda
sheet sand
silica pot
silverberries
Skin-test
splitting of vertebral body
subjective view of probability
subsistences
supercyclones
superfluous term
the dead of night
the worse for liquor
thea sinensis l.var.macrophylla sieb.
thermal ratchet
toluic aldehyde
transverse pitch
ventriculus laterali cerebri
water-separator
weak group
well-calculated
wheel-hub
yen for
zilzals