铁磁共振

'Face Blind' People Cannot Remember Faces From VOA Learning English, this is the Health Lifestyle report. Some people are great at remembering faces. Once they meet you, they never forget how you look. They might say things like, I never forget a fac

发表于:2018-12-16 / 阅读(40) / 评论(0) 分类 2018年VOA慢速英语(十)月

By Melinda Smith Washington 30 March 2007 Since the mid-20th century the World Health Organization reports there has been an increase in the rate of breast cancer among women in developed countries. For decades, doctors have urged their patients to d

发表于:2018-12-16 / 阅读(125) / 评论(0) 分类 2007年VOA标准英语(三月)

Looking Into Your Brain Just Became Easier Researchers and engineers keep improving the machines that help doctors better understand and diagnose conditions that affect our brains. One of the goals is to find causes of Alzheimers and Parkinsons disea

发表于:2018-12-16 / 阅读(36) / 评论(0) 分类 VOA标准英语2016年(六月)

Searching the Internet can be a totally exhausting experience, as you bounce from one site to another to another, sometimes until you cant remember what you were looking for in the first place. But according to scientists at U.C.L.A., all that virtua

发表于:2019-01-08 / 阅读(60) / 评论(0) 分类 Scientific American(十)月

Almost all cells need iron to grow. Now, researchers have identified a link between the body's system for regulating iron and breast cancer. The discovery could help doctors predict the course of breast cancer disease and even help them decide the mo

发表于:2019-01-13 / 阅读(185) / 评论(0) 分类 VOA标准英语2010年(八)月

全息图或可与CT及超生扫描仪兼容 Since the 1980s, doctors have used Magnetic Resonance Imaging machines, or MRI scanners, to look into patients bodies without exposing them to the harmful effects of X-rays.An alternating magnetic field cr

发表于:2019-01-14 / 阅读(39) / 评论(0) 分类 VOA标准英语2016年(六月)