[高分子 物化] 聚合物动力学

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(177) / 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(197) / 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(176) / 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(187) / 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(241) / 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(185) / 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(238) / 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(147) / 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(264) / 评论(0) 分类 VOA标准英语2016年(二月)

matter 物质 energy 能 vacuum 真空 liquid 液体 fluid 流体 solid 固体 body 物体 mass 质量 weight 重量 density 密度 specific gravity 比重 gravity 重力 velocity 速度 kinetic energy

发表于:2019-02-07 / 阅读(172) / 评论(0) 分类 英文语法词汇
学英语单词
a sausage
abbey lubber
aeroponics
aerotriangulation by independent model
American English
Ammodytes
anlace
ASLP
Balatonboglar
be ablaze with anger
bff
biological false positive reaction
black lava
Book of Joshua
bunchflowers
callousness
camera shutter controller
carry OR function
categorical schemes
clad
cock-a-doodle-doo
Connell's suture
costotome
coupling of shaft
creedite
cross-addiction
Cyberport
daxk box
dimethyldiguanide
dipivoxil
dispense units
drama-com
electric tamping machine
emetism
empty calories
erekat
excrescent
expansionary path
eyeless sight
farranula longicaudis
fast fourier transform ( fft)
first aid certificate
French seam
Gambian fever
glace silk
glyoxyl
high-temperature photomultiplier
hpoes
incomprehensibleness
iron deficiency anaemias
Java plug-in
joinder of parties
jurimetricists
kneaded
kumys
Lake St. Clair
Lakitelek
life-long product
ligament injury
Limitation per Voyage
llanoes
loading regime
maturity band
men-midwives
meta-communication
naomi
NNE
occipitoposterior position
overdry
pastiches
pedregals
pension house
pentadecenic acid
porn-flick
power collection system (for wtgs)
product of objects
purchase/mfg order detail chain validation
purpleys
Putois
Redcar and Cleveland
Robinson ester
section-houses
shunt-tee junction
sizar
sloganizers
south bound
spark-quenching circuit
special debit columns
stall turn
staving off
steam heat dryer
still wine
streamlined funnel
symbolic logical operator
therapied
thermotical
Thyreostimulin
tree house
truncated ordinary cone
universal resource locator
white rabbits
Witzhave