高分子材料化学灌浆

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(116) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(191) / 评论(0) 分类 Scientific American(十)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(139) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

发表于:2018-12-24 / 阅读(108) / 评论(0) 分类 Scientific American(四)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(128) / 评论(0) 分类 Scientific American(一)月

I dont believe, in all my years, I have ever seen a fruit fly I would consider obese. But, thanks to the wonders of modern science, thats all about to change. Because a team of researchers from Cold Spring Harbor laboratory has produced the first fli

发表于:2018-12-24 / 阅读(103) / 评论(0) 分类 2017年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(127) / 评论(0) 分类 60秒科学

The United States has partnered with the United Nations Foundation's Girl Up campaign, Intel Corporation, Google, and other partners to lead the third annual Women in Science Girls STEAM Camp, to enable to girls to study the science, technology, engi

发表于:2019-01-03 / 阅读(156) / 评论(0) 分类 VOA标准英语2017年(8月)

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(168) / 评论(0) 分类 Scientific American(九)月

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(128) / 评论(0) 分类 Scientific American(十)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(137) / 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(188) / 评论(0) 分类 Scientific American(四)月

[00:11.60]WARMING UP [00:16.04]How many new uses can you think of for the folowing items? [00:36.49]reminds us of the appearance of nanotechnology, [00:53.76]according to which nothing is useless and [01:04.91]no garbage or waste material to speak of

发表于:2019-01-10 / 阅读(250) / 评论(0) 分类 高中英语人教版高一年级

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(94) / 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(186) / 评论(0) 分类 VOA标准英语2016年(二月)

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(156) / 评论(0) 分类 2016年Scientific American(十)月

Sicience and technology 科学和技术 Cancer and obesity 癌症与肥胖 Malignant flab 恶性松弛 At last, an understanding of how overeating causes cancer 吃得过多如何导致癌症 OVERWEIGHT women are more likely to develop breast cancer

发表于:2019-01-26 / 阅读(121) / 评论(0) 分类 经济学人科技系列

EDUCATION REPORT - Intel Science Talent Search Winners AnnouncedBy Nancy Steinbach Broadcast: Thursday, March 23, 2006 I'm Steve Ember with the VOA Special English Education Report. An eighteen-year-o

发表于:2019-01-30 / 阅读(131) / 评论(0) 分类 2006年慢速英语(三)月

The discovery of cells in the brain that act as the body's internal global positioning system, which won three scientists the Nobel Prize for medicine on Monday, opens an intriguing new window onto dementia. Since these spatial cells are among the fi

发表于:2019-02-07 / 阅读(121) / 评论(0) 分类 阅读空间

How Do You Make A Diet-Coke Float? 你能让无糖可乐浮起来吗? Heres an at-home experiment you can try. Take a can of classic Coca-Cola and a can of Diet Coke, and without opening either one submerge them in water. A deep sink or a bucket wi

发表于:2019-02-24 / 阅读(97) / 评论(0) 分类 英语听力文摘 English Digest
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