[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(184) / 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(207) / 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(182) / 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(193) / 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(254) / 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(191) / 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(246) / 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(154) / 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(276) / 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(178) / 评论(0) 分类 英文语法词汇
学英语单词
Aaron's rods
acquired inclusion cyst of urethral epithelium of female
alaska ground cypress
alert data
alpha-Methyl-p-tyrosine
anch'ing
anomomitosis
anti-vacuum profile
antibleeding
axis cord
azomultin
bastardless
book matching
Bourcefranc
bring something to bear
capitals of vietnam
caulophyllums
cba (chemical bond approach)
China hand
Chloroxymethylbenzene
circular electric wave
closing entry
complementary condition
congenital absence of rib
cowpock
critical volume
crystallizing tank
cymosely
double focusing
dry distillation of coal
endemic urticaria
exchange resident
facing point switch
fat-soluble A
fatherlessness
filled compartment
flash information service
fld.
Gandalfesque
gear cutting consideration
ghasts
globuloid
high accuracy standard
hot potato algorithm
huitre
I-n-Tekoret
Ibitinga
impulse-type telemetering system
Inflation-Indexed Security
initiation event
introns late
Jatrorrhizin
kalopsia
kill a well
Limnophila heterophylla
linear structural equation system
lyencephalus
malignant pleomorphic adenoma
manbo
media interface connector (mic)
Mendelgina
modern plate
mowthe
Nagasaka
Neoplatonicians
oral cavity mucous membrane
Otjitundua
outstay your welcome
paid inclusion
pars radiata
Pcs.
poopdeck
promiben
pseudoforamen
pulp abscess
rabiophobia
rarefactor
return crank
richmonds
roll back policy
round-edged steel flat
second hands
Sedum aizoon
sets sail
shooting bunnies
sort out the men from the boys
steady-state diffusion rate
structural dynamic modification
structure-conduct-performance paradigm
Středoslovenský Kraj
sulfamerazine
the firmament
thinkablest
to loosen
to take away
tonne-kilometers charged
Tsuch'iaoyin
velocity-lag error
volution
welt seam
witchetty-grub
yoo-ee