单词：ultrasonic Doppler blood flow imaging
单词：ultrasonic Doppler blood flow imaging 相关文章
Clinton Recovering From Blood Clot In Her Head Charles Eyler knows all about blood clots. Hes had two. Theyre painful, I mean really painful. Really bad pain, Eyler said. And now, Secretary of State Hillary Clinton has her second blood clot. The firs
VOA标准英语2013年(一月)
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. For decades, scientists have used an imaging technique called functional magnetic resonance imaging, or fMRI, to chronicle the brain in action. But a stu
Scientific American(一)月
What Causes A Lump In Your Throat? Oftentimes when we cry, we feel a lump in the throat. Does a lump actually form, or is there some other explanation? 图片1 Explanation The lump-like thing we feel when overcome by emotion has to do with how the ne
英语听力文摘 English Digest
Why Does Altitude Cause Headache? Mountain climbers face many dangers as they brave the cold winds and icy slopes and jagged cliffs of the peaks they climb. But one of the most serious dangers they face is all in their headsliterally. Why does altitu
英语听力文摘 English Digest
Its called functional magnetic resonance imaging, or FMRI. And some neuroscientists call it the greatest scientific advance of the last 25 years. Because FMRI lets researchers look at the human brain in action. By measuring blood flow, it produces co
Scientific American(二)月
VT tidal volume 潮气容积 TLC total lung capacity 肺总量 VC vital capacity 肺活量 IC inspiratory capacity 深吸气量 ERC expiratory reserve capacity 补呼吸量 RV residual volume 残气容积 FRC functional residual capacity 功能残气量
医学英语
AS IT IS 2013-09-11 Rising Temperatures Could Mean More Wildfires 不断上升的气温可能会意味着更多的森林大火 From VOA Learning English, welcome to As It Is! Im Mario Ritter. On our show today, we hear from two weather experts. We he
2013年VOA慢速英语(九)月
Doctors Achieve Milestone Using Artificial Heart With No Beat In March, two doctors at the Texas Heart Institute in Houston achieved what medical experts call a major milestone by implanting a continuous-flow artificial heart in a human patient. The
VOA标准英语2011年(七月)
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
VOA标准英语2010年(十一)月
It seems like from the time we are very young women are affected in some way by the monthly cycle. For young girls it is through our older sisters, cousins, aunts, and female relatives where we see the effects of menstruation, in how they change thei
实用英语
A technology company is developing a lie detector app for smartphones that could be used by parents, teachers - and internet daters. 一家科技公司正在研发一款面向智能手机用户的测谎软件，家长、教师甚至线上约会者都可
阅读空间
生活大爆炸第一季第六集_1：The Middle Earth Paradigm -Rajesh: Okay, if no one else will say I will. We really suck at paintball. 好吧，如果没人说那就我来说。我们在彩弹比赛中的表现实在太差了！ -Howard: That wa
生活大爆炸第一季
HEALTH REPORT - Scientists Find New Clue about Acupuncture By Jerilyn Watson Broadcast: Wednesday, March 17, 2004 This is the VOA Special English Health Report. A Chinese book on the ancient practice
健康与经济
HEALTH REPORT - Study Suggests Laughter Is Good for the Heart By Cynthia Kirk Broadcast: Wednesday, May 25, 2005 I'm Gwen Outen with the VOA Special English Health Report. Study says: laughter is the
健康与经济
BEIJING, May 24 (Xinhuanet) -- CT scan, a widely used heart-imaging test, is likely to result in the over treatment for patients with heart disease, according to a study published online by the Archives of Internal Medicine on Monday. CT, which produ
英语新闻
Doppler on Wheels Rolls Into Tornados Doppler radar reads the weather based on reflections from items moving through the air. Joshua Wurman was the first to put the technology on wheels and drive it directly into the path of a tornado. I invented Dop
VOA常速英语2013年(八月)
Do you remember who won the world series in nineteen sixty- eight, but forget where you left your keys? Are you great at remembering all the details of a story, but lousy when it comes to remembering peoples names? What our brains choose to remember,
英语时差8，16
Is there any way to prevent or cure dementia? Unfortunately, no: theres no cure for dementia. And theres no sure fire way to prevent it, either. But scientists suspect that some types of foods may help the brain stay healthy longer. Right.For example
英语时差8，16