单词：enzyme repression
单词：enzyme repression 相关文章
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Germanys Harald zur Hausen and Frances Luc Montagnier and Francoise Barre-Sinoussi share the 2008 Nobel Prize in Physiology or Medicine, awarded October 6th. Barre-Sin
Scientific American(十)月
A prestigious Indonesian Islamic theologian is traveling to Europe to promote the country's tolerant, pluralist interpretation of Islam and counter the violent ideology of radical extremists. The tour is organized by groups that promote pluralism and
VOA标准英语2010年(九)月
By Peter Fedynsky Moscow 30 October 2007 Russian President Vladimir Putin has commemorated more than 20,000 people executed at a Moscow killing field during the height of Stalinist terror in 1937 to 1938. Mr. Putin said those who perished included th
2007年VOA常速英语（十月）
African Union Official Hopes for a More Peaceful and Democratic Continent in 2010 The U.S. human rights monitoring group Freedom House says Africa ranks as the bleakest region in a bleak year in terms of political rights and civil liberties in 2009.
VOA标准英语2010年(一月)
For the second time in three days, police in Mauritania have used clubs and tear gas to disperse demonstrators calling for the re-instatement of the country's president, who was deposed in a military coup d'etat. The crackdown has heightened tension
VOA标准英语2008年（十月）
An international group of scientists has engineered an enzyme which they say will be able to eat some of the most common plastic. It's being touted as a possible way to fight pollution. Improvements aimed at making the enzyme work more effectively ar
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