[化] 搅拌式萃取塔

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(72) / 评论(0) 分类 Scientific American(十)月

Gabriela Andersen-Scheiss was a ski instructor in the U.S. state of Idaho when she represented Switzerland at the 1984 Olympics. Twenty minutes after the winner, Joan Benoit, crossed the finish line, the 39-year-old Andersen-Scheiss staggered into th

发表于:2019-01-08 / 阅读(106) / 评论(0) 分类 英美文化

U.S. pharmaceutical giant Merck announced on Monday that it plans to acquire rival company Schering-Plough in a deal worth $41.1 billion. This could help Merck expand its market overseas at a critical time for mega pharmaceutical companies. Merck Co

发表于:2019-01-13 / 阅读(55) / 评论(0) 分类 VOA标准英语2009年(三月)

EDUCATION REPORT – September 12, 2002: 'Liberty’s Kids' Television Show By Jerilyn Watson This is the VOA Special English Education Report. A new public television program is helping American chil

发表于:2019-01-19 / 阅读(69) / 评论(0) 分类 教育与新闻

Chinas return to greatness 中国回归强大 Marching forward 艰难前行 The great power is still licking old wounds 这个强国仍在舔舐旧伤口 Aug 3rd 2013 |From the print edition Wealth and Power: Chinas Long March to the Twenty-First Cen

发表于:2019-01-27 / 阅读(82) / 评论(0) 分类 经济学人文艺系列

ROME, Feb. 6 (Xinhua) -- Italian giants AC Milan will see their striker Zlatan Ibrahimovic sidelined in the clash against league leaders Juventus on February 25, as the Swedish international was handed a three-match ban on Monday. The Swede, who has

发表于:2019-02-11 / 阅读(71) / 评论(0) 分类 英语新闻