单词:lignocellulosics
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By Challiss McDonough Cairo 04 December 2007 Iran has welcomed the new U.S. intelligence estimate which suggests the Tehran government is not currently trying to develop nuclear weapons. VOA correspondent Challiss McDonough has more from our Middle
This is Scientific American's 60-Second Science. I'm Christie Nicholson. This will just take a minute. So check this out: Hi my name is Adi Rajagopalan, I'm going on 18 in a few days, and my project was Modelling Synergistic Cellulolytic-Hemicellulol
By Michael Bowman Washington 20 May 2008 One of America's best-known political figures, Massachusetts Senator Edward Kennedy, has been diagnosed with a malignant brain tumor. VOA's Michael Bowman reports from Washington, the diagnosis comes days afte
By Carol Pearson Washington 21 May 2008 Doctors performed a biopsy on U.S. Senator Edward Kennedy and announced Tuesdaythat they found a malignant brain tumor. The Democrat and elder statesman of American liberal politics suffered a siezure last Satu
Pope Benedict XVI waves to faithful during his weekly general audience at St. Peter's square at The Vatican, 17 Mar 2010 Pope Benedict has written to Catholics in Ireland to apologize for the sexual abuses carried out by the clergy in that country ov
The assassination of the governor of Pakistan's Punjab province was a shock, coming as it did in the middle of a political crisis for the government. Analysts believe it will have no direct major effect on the central government's precarious stabilit
By Paul Sisco Washington, DC 07 July 2006 watch Asteroid report A major asteroid passed by the Earth this week, and another is heading this way. An asteroid visible in the night sky Asteroids are similar to comets and meteors. But they are larger, m
By Gary Thomas Washington 05 January 2007 The top U.S. intelligence job is changing hands just over two years after President Bush signed a law creating the post. The Office of Director of National Intelligence was established to break down bureaucr
Giving the Seedligns a Hand A man of the state of Song was worried about his seedlingsgrowing too slowly He pulled up the seedlings one by one and went home exhausted.I am tired out today.I helped the seedlings to grow,he said to his family.H