压电聚合物换能器

最新研制一种新的医疗设备,可以利用身体动作来充电。 Novel materials could allow the implantation of flexible, rechargeable batteries that would constantly recharge from the body's own movements--even just breathing. Cynthia Gr

发表于:2018-12-07 / 阅读(108) / 评论(0) 分类 60秒科学

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(78) / 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(105) / 评论(0) 分类 Scientific American(三)月

This is Scientific Americans 60 Science, Im Cynthia Graber. Thisll just take a minute. Batteries add weight, and they need recharging. Thats serious business for implanted medical devices. When the batteries die, patients sometimes have to undergo an

发表于:2018-12-24 / 阅读(61) / 评论(0) 分类 Scientific American(九)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(87) / 评论(0) 分类 Scientific American(一)月

M.I.T. researchers have developed a piezoelectric fiber that would react to electric currents and have the potential to record or produce audio. Clothing is so yesterday. I mean, really, what can it do? It cant pick up sound, or beep at us if somethi

发表于:2019-01-02 / 阅读(67) / 评论(0) 分类 60秒科学

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(89) / 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(106) / 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(92) / 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(137) / 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(61) / 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(140) / 评论(0) 分类 VOA标准英语2016年(二月)

Science and Technology Three-dimensional printing An image of the future 科技 3D印刷 印刷未来 One of the biggest manufacturers in the world gives 3D printing a go 世界龙头机器制造商用3D印刷术进行了一次格外成功的应用 U

发表于:2019-01-26 / 阅读(92) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 Three-dimensional printing 3D印刷 An image of the future 印刷未来 One of the biggest manufacturers in the world gives 3D printing a go 世界龙头机器制造商用3D印刷术进行了一次格外成功的应用

发表于:2019-02-06 / 阅读(68) / 评论(0) 分类 经济学人科技系列
学英语单词
accurate traverse survey
air louvre
alkanamyer
as possible as
at auction
baby-naming
books online
boy meets girl
certification scheme
chrononomy
Colburn analogy
come to play
command control and communication
confined head
continuous test signal controller
conventional accounting
covered days (7)
critical engine
cross-lap joint
crossed dispersion
cyclopiazonates
death-threats
despoilment
Dewhurst
drill with ferrule
Drymophila
Dufresne, L.
ectiris
element with lumped parameters
Eliason clasp
Euproctis pseudoconspersa Strand
farm products processing industry
feeds on
fruit-eatings
glutination
hectograms
Heteronema
hydroxycinnamoyltransferase
Hymenaea verrucosa
industrial location coefficient
interception operator
IRKD
joints of upper limb girdle
Lasegue's syndrome
levulic
libration deviation
limit ring
lymphoglandulae auriculares posteriores
make an attempt on
marine zootaxology
microdrive
mixed dielectric capacitor
motyl
multilayer dielectric reflector
N-Propyllajmaline
net cash requirements
neurofilament
orbital pneumography
overlapping suture
pass with
pathologists
peripheral storage control element
pigfishes
pump plunger shaft
purinometer
Racon station
reactor control board
reciprocity constant
rice oil
secular cycle
shielded balanced pari caboe
sickle skin flap
smart card reader
sodium butoxide
source-detection path length
stale odour
Steenkerke
stocking-filler
stored program telemetry
strata corneum unguis
strike-separation fault
sub-base grader
sukadana (soekadana)
surface-charge transistor
T-shaped conductor
tabachir
tailstock centre
to overload
to think
Toirano
transduction membrane
Transit van
transport submarine
travail
tributed
trichotomus
triviids
ultra-supercritical
vacuum unloader
vapour pressure osmometer
water-savings
well-asserted