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(120) / 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(91) / 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(116) / 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(72) / 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(103) / 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(83) / 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(103) / 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(122) / 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(107) / 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(154) / 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(70) / 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(151) / 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(101) / 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(78) / 评论(0) 分类 经济学人科技系列
学英语单词
acute pharyngitis
Adelsdorf
advocacy decision making
Aesfarrapa
Alcaeus
angle resolution
Anglesola
ash shuaybah
Bankstown Aerodrome
Bates numberings
befuddled
bistable generator
bits-per-second
blow back
boot disks
cadophore
charpys alloy
cheliceral digit
chiukiangensis
climacter
cobble rifle
collulum
comaster distinctus
comrey
concentrated cooling
Corstiline
cost,insurance,freight and war risks
dietetic neuritis
diffeologies
digital products
distribution parameter
divo
diyers
dual input transistor
eastern spotted skunk
edesin
electron accelerators
eleven-fifteen
enswathing
exclution
feeled
Filter-cell
fleet ballistic missile submarine
follicularly challenged
fore-body waterlines
HP-RT
I-V characteristic
impacific
induction circuit
inimitable
iron handedly
Juraybī'āt
kusimba
manifold chamber
mid-tones
mining rock mechanics
mucosa-associated
multichannel radio communication
myosinic
neetas
NGLs
non discountable bill
observant
open-hearth process
out-of-square
overbite
painswick
picture-caption copy
pleiotaxy
pole strength
pollenger
polymerization technology
prewar car
propeller layout nut
providing that
reconnoitres
regurgitate
remote backup protection
retroanteroammesia
rhizogonium distichum(sw.)brid
rise and fall sawing machine
roger fries
schinus terebinthifoliuss
Seckel syndrome
self-scanned photodiode array
sell by sample
sethera
Silene pseudotenuis
silica-gel desiccant
sling block
solid concentration
soundtrack
speeds up
speelmen
tennis court
thyristor rectifier cubicle
unit control word
us -headed
venous accentuated
wait around
weighting percentage
xenotransplantation