单词:erythro-diisotactic polymer
单词:erythro-diisotactic polymer 相关文章
Education Report - An Archive of English, Spoken in Many Different Accents 教育报道 - 一份口音各异的英语录音档案 This is the VOA Special English Education Report. 这里是美国之音慢速英语教育报道。 Steven Weinberger is
Dierks Bentley Takes Listeners 'Home' The title track to Home recently became the ninth Number One Country single of Bentley's career. The 36-year-old Arizona native was performing in Australia when he got the news. Its been so cool to see fans react
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
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
Dierks Bentley在亚利桑那州菲尼克斯市一个并无音乐氛围的家庭长大,他常听音乐唱片,依靠自己的努力学得了音乐本领。凭着一种对音乐的热爱,他19岁时就搬去了田纳西州纳什维尔,但很快由
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
By Carol Pearson Washington, DC 29 May 2006 watch Autism Gene report Researchers at the University of Texas Southwestern have been able to genetically change mice so their behavior is similar to some people with autism. The researchers hope their di
By Margaret Besheer United Nations 20 June 2008 Divisions within the U.N. Security Council on the subject of Kosovo were apparent yet again on Friday, when the secretary-general spoke about his plan to transfer some responsibilities from the U.N. mi
Rondi Charleston comes from a long line of singers and songwriters, dating back to her great-grandmother toiling on the Great Plains in the 1800s. Rondi's musical influences come together on her latest album, Who Knows Where The Time Goes. Like the r
'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
Come a little closer baby I feel like layin' you down On a bed of sweet surrender Where we can work it all out There ain't nothin' that love can't fix Girl it's right here at our finger tips So come a little closer baby I feel like layin' you down Co
Got a guitar Got a guitar on my back And I'm standin' on this lonesome railroad track Train's a comin' It'll be here 'fore too long But I don't think I can stop it with a song Girl that's the kind of way I'm feelin' Tryin' to stop your leavin' Got a
Pair of boots and a sack of clothes Free and easy down the road I go Hangin' memories on the high line poles Free and easy down the road I go Free and easy down the road I go Ragweed's rockin' on the radio Free and easy down the road I go So I keep r
Syrian government forces have retaken a hospital in the city of Deir al-Zour after the Islamic State attacked it on Saturday. The militant group's attack against the Assad hospital came after it launched a dawn offensive on the besieged eastern Syria
Becky was a beauty from south alabama her daddy had a heart like a nine pound hammer think he even did a little time in the slammer what was i thinkin? she snuck out one night met me by the front gate her daddy came out wavin that 12 gage tore out th