单词：cardiac electric field
单词：cardiac electric field 相关文章
第四篇 心血管系统 Section 4 Angiology 第一章 心血管系统 Chapter 1 Cardiovascular System abdominal aorta 腹主动脉 anterior cardiac vein 心前静脉 anterior inferior sinus of pericardium 心包前下窦 anterior interventricular branch 前室间支 anterior inte
医学英语
Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod
(科普英语)Earth and Sky
New data show that when bystanders without emergency medical training try CPR using only chest compression, the results can be better than if they also attempt mouth-to-mouth. Christopher Intagliata reports 看见身边有人突然倒了， 想救人家
60秒科学
This is the VOA Special English Health Report. Cardiopulmonary resuscitation, or CPR, can save the life of someone whose heart has stopped. The condition is called cardiac arrest. The heart stops pumping blood. The person stops breathing. Without li
VOA慢速英语2007年（三）月
Scientists: Spiders Use Electric Fields to Move through Air Scientists have long wondered how spiders can use the webbing they make to fly. The 19th century English naturalist Charles Darwin commented on their behavior when very small spiders landed
2018年VOA慢速英语(七)月
Cameroon Heart Patients: A Bumpy Road to Care YAOUNDE, CAMEROON The best heart care in central Africa is probably found in a sophisticated cardiac care center outside of Kumbo Town, 450 kilometers northwest of Cameroons capital, Yaounde. But the loca
VOA标准英语2014年(四月)
A: Hello everyone， and welcome to our CPR for beginners course. First of all, does anyone know what CPR stands for? B: Cardiopulmonary resuscitation! A: Thats right! We apply CPR in the case of cardiac arrest or pulmonary arrest. B: What does that
纯正地道美语
Once in a while, someone dies and you remember where you were and what you were doing when you heard the sad news. Thousands of people worldwide felt that way when they heard that the beautiful Anna Nicole Smith had suddenly died. It was a tragedy th
365个英语简短小故事
HEALTH REPORT -July 3, 2002: Sudden Cardiac Death By Nancy Steinbach This is the VOA Special English Health Report. An American professional baseball player, Darryl Kile, died recently. He was thirty
健康与环境
You're in the supermarket, and a man collapses. He's gasping. It's CPR time. But wait, was it 20 compressions, two breaths, or 15 to every one breath? Can't remember? Well you may not have to. Because theres hands-only CPRpressing the chest fast and
Scientific American(十)月
UNIT SIX A field trip [00:07.34]Let's chant [00:09.82]Let's go on a field trip.There's so much to do. [00:17.21]We can collect leaves,and take picctures,too.We can watch the ants and see what they eat [00:24.92]Let's go on a field trip.It's quite a t
人教版小学英语五年级
By Carol Pearson Washington 25 July 2007 You may have heard about young athletes, still teenagers, whose hearts stop beating, sometimes while playing sports. In many of these cases, their parents and doctors find out after the fact that these young a
2007年VOA标准英语（七月）
Until then, until then I'm going to keep banging on about trial and error and why we should abandon the God complex. 到那时候，到那时候，我会继续讨论测试和排除错误这个话题，以及为什么我们需要抛弃万能神力的态
TED演讲教育篇
You can't take it with you The Egyptians tried it, and all they got was robbed. 你不可能把它们一起带走埃及人试过 带走的后来都被盗了 So, the question is, what are you going to do with what you have? I'm not talking how much yo
公众人物毕业演讲
Motional Induction Last time, we talked about motional induction , a phenomenon by which the ocean generate s a magnetic field. It works like this: earth has its own magnetic field. The ocean has plenty of charged atoms in it, in the form of dissolve
英语听力文摘 English Digest
These kids are at higher risk for the development of plaque in their arteries as time goes by. - Donald LaVan, MD A new study has found that teenagers who are exposed to second-hand tobacco smoke are more likely to have changes to their blood vessels
VOA标准英语2010年(三月)
Findings convince them children throughout the state should be screened Carol Pearson | Washington, DC 11 December 2009 Some doctors in Texas believe that all children, athletes or not, should be screened before playing sports In the U.S. there is a
VOA标准英语2009年(十二月)
今天我们要学的词是counterpart. Counterpart 指对应的人或物。一项研究发现，African Americans are more likely to suffer sudden cardiac arrest than their white counterparts. 非洲裔美国人比对应的美国白种人更容易出现
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