单词：pf (phenolphthalein alkalinity of filtrate)
单词：pf (phenolphthalein alkalinity of filtrate) 相关文章
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
VOA慢速英语2008年（九）月
Study Shows PFCs Can Reduce Vaccine Effectiveness When children are vaccinated their immune systems produce antibodies that protect them from debilitating and potentially deadly childhood infections, such as polio, measles, diphtheria and tetanus. Th
VOA标准英语2012年(二月)
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
Scientific American(八)月
By Carol Pearson Washington 04 July 2007 Researchers have found that chocolate dark chocolate is good for your heart. They say it may stave off hardening of the arteries among smokers, and it has more antioxidants per gram than red wine, green tea or
2007年VOA标准英语（七月）
中文原文： 这台电脑预装的过滤软件是可以卸载的。 正确译文： The filter software programme preloaded on the computer is unloadable / removable. 翻译加油站： 安装是to load, to install;可以安装的是loadable, to u
英语口译
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
美联社新闻一分钟2008年(九)月
Harare's streets are busy as hundreds of delegates to President Robert Mugabe's annual ZANU-PF conference converge from all over the country. The annual conference is being held as the death toll continues to climb from a cholera epidemic that has f
VOA标准英语2008年(十二月)
Although Zimbabwe President Robert Mugabe's ZANU-PF party seems to have accepted, in public at least, that elections are not possible before year end, many new black farmers north of the capital were told Tuesday by senior army personnel there would
VOA标准英语2011年(一月)
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
科技之光
By Melinda Smith Washington 08 August 2007 Scientists are concerned about the health risks of an ingredient in many of the plastic containers used for food and drinks Bisphenol A or BPA is a common chemical used to make tough, shatter-resistant plast
2007年VOA标准英语（八月）
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
英语新闻
Many ZANU-PF delegates say they want to decide who will succeed President Robert Mugabe, who will be 86 in February. President Robert Mugabe received fewer votes in the presidential election last year than MDC leader Morgan Tsvangirai. Peta Thornycro
VOA标准英语2009年(十二月)
A senior ally of Zimbabwe's President Robert Mugabe has accused the European Union of undermining the power sharing agreement with Prime Minister Morgan Tsvangirai. The charge follows the first visit to Zimbabwe by senior EU officials since the Euro
VOA标准英语2009年(九月)
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
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听力内容有不详尽之处啊，欢迎大家留言讨论，纠正。谢谢 在线英语听力室http://www.tingroom.com Wed wines,it contains polyphenol, which have anti-accident properties.And those are known to accede lower our blood pressure b
访谈录2012年
Every time i go to the grocery stores，i consider buying Organic vegetables because they are supposed to be healthier or something，but they are also moreexpensive. So is it worth it to pay more for the supposed health benefits? Well, it might be w
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