胚内血管

Tiny Camera Sees Inside Blood Vessels Ahead of any surgical procedure, doctors try to learn as much as possible about the state of the organs they plan to operate on. A new camera developed in the Netherlands can now make that easier - giving surgeon

发表于:2018-12-16 / 阅读(125) / 评论(0) 分类 VOA标准英语2015年(四月)

Every time you inhale, oxygen passes from your windpipe to your lungs and on into your bloodstream. But what if your windpipe was blocked? Getting the gas straight to your blood could save your life. Wait, put down that syringea large air bubble in a

发表于:2018-12-24 / 阅读(125) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans -60 seconds science .I'm Steve Murskey.Got the minute? People with high blood pressure are often told to watch the salt, and it's long been far that hypertension related to excess salt is caused by the salt increasing in

发表于:2018-12-24 / 阅读(132) / 评论(0) 分类 Scientific American(一)月

[00:04.44]New studies say that eating chocolate may be good for your heart. [00:10.48]Research shows that eating chocolate may reduce the chance of developing heart disease [00:17.32]by helping blood vessels remain clear and open. [00:21.79]Chocolate

发表于:2018-12-26 / 阅读(97) / 评论(0) 分类 美国英语听力80篇

Doctors Use Virtual Reality to Prepare for Surgeries Felicia Luna had a really bad headache. She said the painful pressure felt like someone was squeezing my head really tight. The pain became so bad that the 41-year-old woman could not lie down and

发表于:2019-01-02 / 阅读(158) / 评论(0) 分类 2017年VOA慢速英语(十二)月

Now as engineers, we think of this as straight-up miniaturization. 作为工程师,我们认为这个就是直接微型化。 You took a big thing and you made it little. 你带来一个大东西并且把它变小。 But what I told you before abou

发表于:2019-01-03 / 阅读(113) / 评论(0) 分类 TED演讲科学篇

HEALTH REPORT - New Drug Cuts Blood Supply to Cancer By Jerilyn Watson Broadcast: Wednesday, March 10, 2004 This is the VOA Special English Health Report. There is an expression that describes the tra

发表于:2019-01-04 / 阅读(111) / 评论(0) 分类 健康与经济

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. They say what doesn't kill you makes you stronger. But sometimes what makes you stronger can kill you, at least when it comes to blood clotting. Because

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 Scientific American(十一)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(157) / 评论(0) 分类 Scientific American(二)月

Tiny Needles Treat Eye Disease 能治愈眼疾的细针 Glaucoma is the second leading cause of blindness around the world. In the United States alone, more than two million people suffer from the disease. Glaucoma results from an over-production of

发表于:2019-01-12 / 阅读(120) / 评论(0) 分类 2014年VOA慢速英语(十二)月

Researchers have identified a link between dementia and the brain damage that can occur in older people with high blood pressure and other forms of cardiovascular disease. High blood pressure, high cholesterol, and other conditions that affect blood

发表于:2019-01-14 / 阅读(203) / 评论(0) 分类 VOA标准英语2010年(十一)月

Nanostructure Promotes Blood Vessel Growth U.S. researchers have developed a new way to promote the growth of blood vessels which potentially could improve treatment in diabetes, organ transplants, stroke, and heart attack. The veins and arteries tha

发表于:2019-01-14 / 阅读(146) / 评论(0) 分类 VOA标准英语2011年(八月)

Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear

发表于:2019-01-14 / 阅读(164) / 评论(0) 分类 VOA标准英语2011年(二月)

HEALTH REPORT - What Happens in a Stroke? Experts Liken It to a 'Brain Attack'By Cynthia Kirk Broadcast: Wednesday, January 11, 2006 I'm Steve Ember with the VOA Special English Health Report. Everyon

发表于:2019-01-16 / 阅读(138) / 评论(0) 分类 2006年慢速英语(一)月

Science and technology 科学和技术 Medical technology 医疗技术 A not-so-hard graft 一个不那么难的移植 Transplantable blood vessels can now be grown as desired 可移植的血管现可随意培育 The old-fashioned way 古老的方式

发表于:2019-01-26 / 阅读(114) / 评论(0) 分类 经济学人科技系列

Science and Technology A not-so-hard graft 科技 一个不那么难的移植 Transplantable blood vessels can now be grown as desired 可移植的血管现可随意培育 Medical technology 医学技术 ANOTHER advance in the emerging technology of

发表于:2019-01-26 / 阅读(268) / 评论(0) 分类 经济学人科技系列

Question: What is the best exercise to control high blood pressure? 提问:控制血压的最佳锻炼方式是什么? Answer: Take your pick, as the best exercise to control high blood pressure seems to be virtually any exercise, like walking or

发表于:2019-02-03 / 阅读(184) / 评论(0) 分类 阅读空间

CHENGDU, Oct. 25 (Xinhua) -- A Chinese biotechnological company announced on Sunday it has developed the world's first 3D blood vessel bio-printer, which makes it possible to produce personalized functional organs. Sichuan Revotek Co., Ltd. based in

发表于:2019-02-11 / 阅读(158) / 评论(0) 分类 英语新闻

Different Blood Pressure in Both Arms Linked to Heart Disease Cardiologist Oscar Garfein takes blood pressure readings from both of his patients' arms. That technique saved the life of one of his patients. I found that in one arm, it was very, very l

发表于:2019-02-12 / 阅读(179) / 评论(0) 分类 VOA标准英语2012年(二月)

A Chinese biotechnological company announced on Sunday it has developed the world's first 3D blood vessel bio-printer, which makes it possible to produce personalized functional organs. 本周日,中国的一家生物技术公司宣布,它已经研

发表于:2019-02-16 / 阅读(150) / 评论(0) 分类 英语新闻
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