[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(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(165) / 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(213) / 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(214) / 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(234) / 评论(0) 分类 VOA标准英语2016年(二月)
学英语单词
a charmed life
aerobic nitrogenfixing bacterium
all-pro
angulated sail
application piston
approximate match
Bansha
Benchmark Bond
block of decomposition
bottle gourd carving
canalure
cand,cann
candidating
Castagneto Carducci
cegs
chungs
color kinescope recording
computer-cutting
conjunctura
cope-man
coprogenous aggregate
crashlands
cycle stand
design approval
dispersion-limited operation
dissociative ligand exchange mechanism
dogwood bark
draw-tube
dufoixes
electrostatic telephone
emberiza spodocephala sordida
emtting
epilenios (greece)
Eutomite
firelessly
flour-mills
flying passage
glandele
Golablatt's clamp
goofy-foot, goofy-footers
gossypin
gravitational double
gynomerogon
half-yearly account
heavy armoring
Humbi
I-Prednicet
in half a shake
inference of mediate
infrared emanation
intrinsic equation of a curve
Karitima, L.
lactic acid fermentation
low toxicity
Microgromia
Mohemmet
murky water
natural convective heat transfer
nature power
non-cisgender
Ogho
old age dependency ratio
OMA DRM
onia
optical character redader (ocr)
overtest
palais
paralogues
party-animal
percent distortion
phaeosphaeria oryzae
plagio
port of discharge
price of labor power
projected route
rack-renter
radiation measuring detector
re cover
reading for
Reeainam
Regstrup
reheat stage
reparail
ridgeland
right of passage
right-hand stairway
sale consignment
sample coefficient of multiple correlation
single user system
sky-wave interference
tea twisting machine
tenan
the old enemy
to lower a boat
tog oneself out
top-most element
trihydroxymethylanthraquinones
two phase mortality
ultraprecision
umbres
ventral surface of cerebrum
yttrium aluminium garnet laser therapeutic machine