[化] 高分子晶体学

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(180) / 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(205) / 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(180) / 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(192) / 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(248) / 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(189) / 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(241) / 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(151) / 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(273) / 评论(0) 分类 VOA标准英语2016年(二月)
学英语单词
accept the call
actual elements
aqueous phenol
Arborio
arch dells
ASILS
behave like
bending roll
blue mockingbirds
boron carbide power
cheque to order
Chroesthes lanceolata
coaligns
cowl lamp bulb
credit for handicapped person
curling-tongs
Dandeldhura
Darwinizes
deck quoit
degree scale
Derreen
diaphragm manometer
drillship
dynamic strategy
electric buoy
elephantiasic
end quenching
endozoic
epistles to the colossians
existen
exposed liabilities
external combustion ramjet (erj)
Factors Lien Act
faggot marriage
fetch quests
fibrin foam
folisols
fuel breeding cycle
fuel burning equipment
gas tight housing
germ line
Goritsy
groban
helicopter mom
high-frequency power
ice-breakers
interdealers
kamiya
label descriptor
labyrinth pump
law of ocean-going trade
lengthier
Little Big Horn
LNG ship
long-course
manufacturing lead time adjustment
marsh violet
mcalesters
microparasites
mike sock
money runners
natrium valericum
Neoparasitus
Nocardia citrea
nonselective radiator
order dishes
overpressure valve
parrin'
part time job
pascrell
peniculus
perform duties
phytologic(al)
plastic theory
postoperative surgical dressing
primary envelope
project team
push-out base technique (pobt)
quench gas
rapid freezing
robbinses
rolling target
Rāyān
San Diego, C.
selflessness
Shaytanka
stansioside
static recrystallization
supercarriers
swamp blueberry
tanks-in series model
teen-speak
thermal consolidation
triangular wire
tribenol
trigeminal nerve
two-track road
unstratified structure
upon second thought
Vaccinioideae
windowsill
zinc pigment