单词:final anode
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By Barry Unger Washington, D.C. 19 July 2007 Fans of the Harry Potter book series are anxiously awaiting the release on Saturday of Harry Potter and the Deathly Hallows. The book will be the seventh and final in the popular series from author J.K. R
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion
Final Goodbye I am going home to Denmark, Son, and I just wanted to tell you I love you. In my dad's last telephone call to me, he repeated that line seven times in a half hour. I wasn't listening at the right level. I heard the words, but not the me
DOHA, Jan. 7 (Xinhua) -- Defending champion Nikolay Davydenko of Russia beat Rafael Nadal of Spain 6-3, 6-2 for the final at the Qatar Open on Friday. Two-time champion(冠军) Roger Federer of Switzerland reached the final by beating third-seede
THE HAGUE, Feb. 27 (Xinhua) -- PSV Eindhoven and AZ Alkmaar qualified for the final of the Dutch Cup, the KNVB Beker, on Wednesday by beating PEC Zwolle and Ajax by identical 3-0 respectively. Ajax dominated the first half against AZ in Amsterdam, bu