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  1. ...of the pesticide lindane for treatment of lice and scabies. The bill will take effect in California on January 1, 2002. Between 1972 and 1994, use of lindane to treat ...

    分類:科學 > 化學 2005年06月08日

  2. ...not clear, even brought many side effects .Supports Antisense...of time to mature commodity going on the market, not yet completes...medicine to be ordinary, starts to take as an example or precedent from the ...

    分類:科學 > 化學 2008年05月08日

  3. ... (evaporating). Consequently, it takes a lot of heat to evaporate water. This high heat of... for melting ice have a very important effect to the climate, because these processes smoothen the...

    分類:科學 > 化學 2005年09月14日

  4. ...equilibrium that counteracts the effect of this change. Le Chatelier... to a system when something momentarily takes it away from equilibrium. This section focuses on three ways in which we can change...

    分類:科學 > 化學 2006年12月07日

  5. ...: It explains why they have to take on water at the station -- the water is constantly ... the piston gains speed. The effect of this is the "Choo..... choo.... choo...

    分類:科學 > 化學 2005年05月01日