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  1. ... a couple of different ways to do this activity. It.... The focus of the activity is to show... of the method by which the lac operon is... is an example of that dual control. ...

    分類:科學 > 其他:科學 2006年04月21日

  2. ...the current loop must be broken by stopping the electron flow ...various means. Some ways to control corrosion include electrical means (cathodic protection), the addition of corrosion inhibitor chemicals...

    分類:科學 > 其他:科學 2006年06月12日

  3. ... paid attention to by common people in the 1990s, because... is a kind of unit that length measured... is the example , because the size of its...computer board size too in this way , the electricity maybe afterwards...

    分類:科學 > 其他:科學 2005年11月06日

  4. ...nitrogen oxygen circulation and relation picture of temperature) . But the fixed star of big quality, the way that energy produces is to take carbon nitrogen oxygen circulation as the...

    分類:科學 > 其他:科學 2007年12月24日

  5. ...originally, does not need to admire other people to live, for example in the movie mentioned that has a woman...arrive at the disaster relief area, may move things out of the way the heavy item directly as well as ship the commodity. 3...

    分類:科學 > 其他:科學 2010年10月08日

  6. ...basis for something else. For example , the ethics of someone may be seen as a... is a convenient way of reducing the complexity... confirmed by scientific experiments...

    分類:科學 > 其他:科學 2005年09月14日

  7. ... off, in different directions. The different colors of light are all reflected by the particle in the same way . The reflected light appears white because it still ...

    分類:科學 > 其他:科學 2005年09月20日