[化] 单股聚合物

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(129) / 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(158) / 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(137) / 评论(0) 分类 Scientific American(一)月

今天学的词组是strand. Strand的意思是使船只等搁浅。比如,The receding tide stranded the ship。船因为退潮而搁浅了。 Strand也指陷入困境,无法离开。2006年圣诞旅行高峰时期, 美国科罗拉多州的丹佛

发表于:2018-12-30 / 阅读(107) / 评论(0) 分类 英语每日一词

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(141) / 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(179) / 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(146) / 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(199) / 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(108) / 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(209) / 评论(0) 分类 VOA标准英语2016年(二月)

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2019-01-26 / 阅读(125) / 评论(0) 分类 英语单词荟萃

Edmund Spenser (1552-1599) One day I wrote her name upon the strand, But came the waves and washed it away; Agayne I wrote it with a second hand, But came the tyde, and made my paynes his pray. “Vayn

发表于:2019-01-30 / 阅读(164) / 评论(0) 分类 阅读空间

格莱美年度歌曲:Single Ladies 这首歌的MV一经发布就引发了全美对当中舞步的模仿热潮,在2009年MTV音乐录影带大奖上,《Single Ladies (Put A Ring On It)》一举拿下年度最佳录影带、最佳舞蹈设计、最

发表于:2019-01-31 / 阅读(143) / 评论(0) 分类 流行英文歌曲

今天学的词组是strand. Strand的意思是使船只等搁浅。比如,The receding tide stranded the ship。船因为退潮而搁浅了。 Strand也指陷入困境,无法离开。2006年圣诞旅行高峰时期, 美国科罗拉多州的丹佛

发表于:2019-02-06 / 阅读(131) / 评论(0) 分类 学个词

URUMQI, July 21 (Xinhua) -- More than 400 vehicles are stranded following rain-triggered mudslides that cut off multiple sections of a major road in northwest China's Xinjiang Uygur autonomous region, border police said Saturday. Several stretches of

发表于:2019-02-07 / 阅读(130) / 评论(0) 分类 英语新闻

Single Girls Laura Jansen I think you'd like my new hair I cut it when you weren't there that pieces of us everywhere were falling down My bed is now a girl's bed Pink flowers under my head and pillows on your side instead of you Cause that's what si

发表于:2019-02-08 / 阅读(150) / 评论(0) 分类 好听的英文歌曲

音乐咖啡厅:Laura Jansen - Single girls 相关介绍:很显然对这些铺天盖地的独立音乐已经没什么好评论的了,不过这种欢快的调调真是百听不厌。这妮子在myspace上人气还满高的,非小清新系的甜美

发表于:2019-02-08 / 阅读(209) / 评论(0) 分类 音乐咖啡厅

A human hair consists mainly of a protein called Keratin. It also contains some moisture and the trace metals and minerals found in the rest of the body. 人类的头发主要由一种叫角朊的蛋白质组成,并含有水分及在身体其他部分

发表于:2019-02-08 / 阅读(132) / 评论(0) 分类 阅读空间

A human hair consists mainly of a protein called Keratin. It also contains some moisture and the trace metals and minerals found in the rest of the body. 人类的头发主要由一种叫角朊的蛋白质组成,并含有水分及在身体其他部分

发表于:2019-02-14 / 阅读(163) / 评论(0) 分类 实用英语

So remember, I said 4D. So today for the first time, we're unveiling a new project, which is a collaboration with Stratasys, and it's called 4D printing. 还记得我刚才提到了四维,今天我们首次向大家展示一个新项目,这是和

发表于:2019-02-21 / 阅读(95) / 评论(0) 分类 TED演讲教育篇
学英语单词
a single codominant gene pair
assessio
attractive and durable
automatic stamping and bending machine
badunkadunks
baffle enclosed cylinder
balancing chain
bedminsters
Beinn Eighe Nature Reserve
birth injuries
blue cohoshes
boron
Brachycorythis henryi
braiding netting
Brookings,Robert Somers
Brushfield-Wyatt disease
casting plowing
cloud droplet-size distribu-tion
Cold Finished Steel Bars
community-mindeds
convolution integral
Corpach Bay
crab steering position
cremasco
cresatin
cyber-security
cysteic acid decarboxylase
de Broglie equation
design house
direction of wave travel
Discol
don't try this at home
environee
Eriocaulon alpestre
estopa fiber
fermitron
finalizer
finite memory
follow-through current
force moment
found ice
fracture wear
gas formation volume factor
genus phaiuss
geological survey map
ghost algebraic manipulation language
Gloiosporae
hamulate
image complementation
international steam table bku
lagging casing
least reading
lout
lvs
make peace with
Makutupora(Makatupora)
Maretin
megaentalina mediocarinata
misportrayed
mixed flow-turbine
mixing pattern
modular jack
moneyboy
myoclonus epilepsy
narrow band filter
non symmetrical network
nonmodern
over-flow position
overdreamed
perdeuterated
phenyloxamic acid
postmiotic phase
primage duty
protective device against side running of conveyor belt
psychanopsis
reactivity worth
recockulous
schmidt's number
Seaman First Class
serpents
shotgun offense
sky dive
Socotrine aloe
sound wood
stromal luteinization
sub contract
thigh circumference
Tomkys
tough-cake
tri-p-biphenyl phosphate
try it out on the dog
tucupi
tutor
Tyl'skiy, Mys
underfongs
unwashedness
video sheet apparatus
water purification project
welcome home
well-lubricated
woodsboro
xanthomyeloma