单词:double-strand polymer
单词:double-strand polymer 相关文章
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
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
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
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
Sherlock's fall to his death put the public in the same hiatus as it had done 120 years before. 夏洛克坠落身亡让公众们体会了与120年前相似的失落感。 In 1893, Sherlock Holmes' author, Arthur Conan Doyle, pushed him and Professor
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
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
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
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
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
'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
Double, Double play pause stop mute unmute max volume 00:0005:28repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. OPHIRA EISENBERG, HOST: Now it's time to
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Chapter 11 The Miracle 第11章 奇迹 The next day was foggy. 第二天有雾。 Everything on the farm was dripping wet. The grass looked like a magic carpet. 农场里什么东西都湿嗒嗒的。草地看上去像一张魔毯。 The asparagus pa
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
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
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
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
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
Charlotte's web never looked more beautiful than it looked this morning. 夏洛的网从来没有像今天早上这样漂亮过。 Each strand held dozens of bright drops of early morning dew. 每一条丝上停着几十颗清晨闪亮的小露珠。