电极行程

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发表于:2018-12-01 / 阅读(253) / 评论(0) 分类 用Mp3背六级单词

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(240) / 评论(0) 分类 Scientific American(十二)月

By Nancy Steinbach Broadcast: October 1, 2003 This is Faith Lapidus with the VOA Special English Health Report. Scientists in Iceland say they have identified the first gene linked to common forms of

发表于:2018-12-15 / 阅读(214) / 评论(0) 分类 VOA2003(下)-环境与健康

Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens,found in the mud at Oyster Bay,Virginia,has been discovered to transfer electrons directly onto an electrode

发表于:2018-12-18 / 阅读(208) / 评论(0) 分类 有声杂志阅读

Time for M.I.T.s Clean Energy Prize. The annual competition gives teams of university students a chance to compete for $200,000 to kick-start their new clean energy business. One finalist designed a compression technology for natural gas wells that w

发表于:2019-01-02 / 阅读(408) / 评论(0) 分类 60秒科学

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(226) / 评论(0) 分类 Scientific American(八)月

Diet Rich in Tomatoes May Reduce Stroke Risk A long-term study has found that people who routinely eat a lot of tomatoes are less likely to suffer strokes. Tomatoes are rich in lycopene, an antioxidant that scientists believe reduces the risk of hear

发表于:2019-01-06 / 阅读(199) / 评论(0) 分类 英语新闻

By Jim Teeple Jerusalem 04 January 2006 Israel's Prime Minister, Ariel Sharon, has suffered what his doctors call a

发表于:2019-01-07 / 阅读(267) / 评论(0) 分类 2006年VOA标准英语(一月)

This is the VOA Special English Health Report. A stroke is a loss of blood flow in the brain. There are two kinds of stroke. One is an ischemic stroke. It happens when a blood vessel in the brain gets blocked. The other kind is called a hemorrhagic,

发表于:2019-01-11 / 阅读(218) / 评论(0) 分类 VOA慢速英语2008年(八)月

This is the VOA Special English Health Report. Strokes are a major cause of death and disability. A stroke is a loss of blood flow in the brain. There are two kinds. An ischemic stroke happens when a blood vessel in the brain gets blocked. A hemorrh

发表于:2019-01-11 / 阅读(200) / 评论(0) 分类 VOA慢速英语2009年(八)月

Health Report - Why Sleep Apnea Raises Risk of Stroke, Heart Attack This is the VOA Special English Health Report. (SOUND) Loud snoring can be a problem -- and not just for other people trying to sleep with the noise. It can also be a sign of sleep a

发表于:2019-01-12 / 阅读(184) / 评论(0) 分类 2011年VOA慢速英语(五)月

By Lisa Schlein Geneva 24 September 2006 Spain's Queen Sofia (c) at the opening of World Congress of Cardiology, September 2, 2006 The World Health Organization reports more than 17 million people a year die from heart disease and stroke, making it

发表于:2019-01-12 / 阅读(262) / 评论(0) 分类 2006年VOA标准英语(九月)

By VOA Sports Washington, DC 19 January 2008 German golfer Martin Kaymer has fired a 4-under-par 68 to maintain a six-stroke lead after the third round of the Abu Dhabi Golf Championship in the United Arab Emirates. Kaymer, last year's European PGA T

发表于:2019-01-13 / 阅读(234) / 评论(0) 分类 VOA标准英语2008年(一月)

Telemedicine has been used for years to deliver medical care to remote locations by audio or video links. Now, Canadian researchers are exploring the possibility of using that same technology to provide rehabilitation services to stroke patients in r

发表于:2019-01-13 / 阅读(192) / 评论(0) 分类 VOA标准英语2010年(六)月

A new study of stroke in the United States has found that the rate of brain-damaging blood clots has increased dramatically among people infected with HIV. The increase in strokes coincides with the use of newer, more effective AIDS medicines. Bruce

发表于:2019-01-14 / 阅读(201) / 评论(0) 分类 VOA标准英语2011年(一月)

Lifestyle Changes May Ease Heart, Stroke Risk We hear the message about how to live a healthy life so much, it's hard to imagine there's anyone who hasn't heard it. Heart disease is preventable, said Dr. Patrice Desvigne Nickens, with the National He

发表于:2019-01-14 / 阅读(183) / 评论(0) 分类 VOA标准英语2013年(七月)

RACHEL MARTIN, HOST: About 800,000 people have strokes every year in the U.S. Most are caused when a clot blocks a blood vessel to the brain. We've known about strokes for a long time. But it wasn't until recently that doctors could do anything about

发表于:2019-01-17 / 阅读(203) / 评论(0) 分类 2017年NPR美国国家公共电台5月

By Carol Pearson Washington, DC 06 July 2006 watch Stroke Prevention report People with diabetes, sickle cell anemia, or sleep apnea are at risk for having a stroke. The American Stroke Council has some guidelines that can help prevent stroke. -----

发表于:2019-01-30 / 阅读(217) / 评论(0) 分类 2006年VOA标准英语(七月)

By Lisa Schlein Geneva 13 February 2006 Red lights illuminate the American Falls in Niagara Falls to bring awareness of heart disease in women, February 3, 2006 The World Heart Federation says heart d

发表于:2019-01-31 / 阅读(271) / 评论(0) 分类 2006年VOA标准英语(二月)

1. Thank God! 谢天谢地! 2. It's a big relief. 现在轻松多了。 3. Good for you. 能这样真好! 4. Everything worked out well. 都解决了。 5. I'm so relieved to hear that. 听你这么一说,我就放心了。 6. That's a weight o

发表于:2019-02-19 / 阅读(191) / 评论(0) 分类 英语口语
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