[医] 迈-法二氏试验(检淀粉分解力)

This is the VOA Special English Health Report. Bisphenol A is a chemical widely used to make hard, polycarbonate plastic. Food storage containers, reusable water bottles and baby bottles are among the many different products that may contain BPA. BP

发表于:2018-12-15 / 阅读(56) / 评论(0) 分类 VOA慢速英语2008年(九)月

This is scientific American sixty seconds science. I am Amy Kraft. Got a minute? Sweat potatoes contains fiber, vitamin A and calcium, but the way that scientists think they can make them even more healthful is literally shocking. Researchers found t

发表于:2018-12-24 / 阅读(41) / 评论(0) 分类 Scientific American(八)月

1. The Dow Industrials rose nearly 142 points after more than a 500-point drop Monday. The move came as the Fed left interest rates unchanged and also pumped 70 billion dollars into the financial system. 2. Residents of Galveston in Texas have been

发表于:2019-01-11 / 阅读(131) / 评论(0) 分类 美联社新闻一分钟2008年(九)月

SCIENCE REPORT – January 9, 2002: Red Wine and Heart Disease By George Grow This is the VOA Special English SCIENCE REPORT. British scientists may have discovered the reason why red wine appears to

发表于:2019-01-30 / 阅读(70) / 评论(0) 分类 科技之光

BRUSSELS, May 31 (Xinhua) -- Baby bottles containing the substance Bisphenol A (BPA) would have to be pulled from the shelves across the European Union (EU) starting from Wednesday, in a milestone move to better protect the health of EU citizens, an

发表于:2019-02-08 / 阅读(51) / 评论(0) 分类 英语新闻

Tea has complex compounds called polyphenols which are believed to help the arteries to relax or dilate, thus enabling a smoother flow of blood. 茶中含有一种叫多酚的复杂混合物。这种物质据信能帮助放松或扩张动脉,从而使

发表于:2019-02-17 / 阅读(87) / 评论(0) 分类 实用英语