粒状聚合物

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(101) / 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(129) / 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(110) / 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(114) / 评论(0) 分类 60秒科学

factitial urticaria 人工性荨麻疹 film agent 膜剂 finger nail 指甲 fissure 裂隙 fixed eruptions 固定性红斑 folliculitis 毛囊炎 fungus 真菌 furuncle 疖 generalized pustular psoria

发表于:2019-01-03 / 阅读(132) / 评论(0) 分类 医务英语

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(149) / 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(122) / 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(170) / 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(82) / 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(170) / 评论(0) 分类 VOA标准英语2016年(二月)
学英语单词
Acidosasa
after sails
alkali-resistant glass fibre
alsina
ameijden
anaphrodisias
anthracene dye
antiseptic varnish
armor-piercing bullet
axillary sac (or axillary air-sac)
benign mucous membrane pemphigus
black fallow
blind cultivation
botana
boundary pseudograph
brettice
bum chum
cache card
chalkiness
checkability
coating protection
codoped
contravariant
control-joint grouting
Copy Colors from
corporate president
cost of structures of water project
counterfactuality
discharging fire
dolby surround sound
Elecor
empyrean
encephalo-
enhanced rad
EPIPYRODIDAE
extended furnace
facsimile paper
facultative mutualism
favorable receptions
fias
flits
frequency generator
gatherer
Gauss-Codozzi equation
Gibraltar fever
grasp the thistle
Grâce-Hollogne
harbor area
hedging one's bets
hfea
hold something up to mockery
huron, lake
in many respects
industrial load
intercartilaginous
interfacial test
introduct
Investment agreement
isovolumic relaxation period
Izvorovo
joysticked
knew
LED bulb
lentricchias
lithodes turritus
lockpin
loose cookie
main guy
make sad work of it
manian
mechanic bronchitis
missed pulse
mohawking
mould blowing
multiple frequency shift keying telegraph terminal
mumiev
mutually non-soluble liquid
NaOH solution tank NaOH
neodymium-doped
Nottoway County
opinions differ
p-aminophenylacetonitrile
paternal-X-inactivation
penurities
pholidote
pithful
pleit
politiks
postductal
pressurized lamp
reduction of cross-sectional area
repetitive short pulses
rosmary
shade crown
shed leaves
single stage burner
sphyrna tiburoes
subactivity
tattiness
truckbeds
Umm Inderab
viscous heavy oil