n. 加聚物

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(85) / 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(111) / 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(99) / 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(96) / 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(115) / 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(101) / 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(145) / 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(65) / 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(144) / 评论(0) 分类 VOA标准英语2016年(二月)
学英语单词
achage
adipose layer
agey
air blast quenching
alkaline china clay
all around the world
amicable suits
analectic
andreioma
andrewsarchus
autoinstall
become excited
bench show
Bethe equation
Bolhrad
buckeroos
chamazulenogene
Cherryfin
churchill stream
class visit
codebook method
cold setting position
commercial traveler
computer-aided geometry design
cynurenic
de-merits
dempseys
Dicerorhinus
displace by
drop open
Dsu, data service unit.
duque
erythrothrombomonoblastosis
extracarpal
five-spot water flooding pattern
flashlamps
flourimeter
general massage
ginko
glotter
glucopyranosides
harbinger of spring
helianthaceous
helina punctata
Horizontal Cross-Connect
hydrolyzed starch
idia
it snows
jenny wheel
keeping a sound mind
Klossiella
Kru Kru
kyodo
layer (lyr)
liquid immersed reactor
Lorrain Smith's stain
make the world go around
marresistance
memnon
menstrual ulcer
mouline
my hands are tied
ner tamid
ollmann
on the impulse of
over-emote
Phyllobius
platinum isotopes
policy indicator
polus anterior (bulbi oculi)
pomels
post-metal
proparacaine
proviance
Puruandiro
Puteran, Pulau
Pyamalaw
radioactivetacer method
rational manuring
Richardson vole
ruve
se-tangle
seal on
sets room
Shimsk
signalosome
stokhli
sub-points
swivel belt sander
taihu lake icefish (neosalanx taihuensis)
tangerine trees
traumatic deformity of lip
travelling jack
truss analogy method
valoniopsis pachynema
variable inductance transducer
vessel with wave-piercing hull
vladislav
voest-alpine
weld junction
worm-type steering gear
zigzag course