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  1. ... is a metabolic pathway that converts light energy into chemical energy. Its initial substrates... to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste...

    分類:科學及數學 > 化學 2008年12月14日

  2. ... to convert sunlight directly into electricity by converting photons ( light particles) into electrons (negatively charged particles) • Photovoltaic...

    分類:科學及數學 > 化學 2007年12月17日

  3. ... in 1969. It is a transparent material that can split a single beam of light into two beams, a property known as birefringence. Very little is...

    分類:科學及數學 > 化學 2006年11月21日

  4. Because the bulb filament will easily be oxidized under high temperature(about 2000 degree C).While argon is an stable noble gas, it will not form compounds with the bulb filament, so that the bulb have a longer service life.

    分類:科學及數學 > 化學 2007年09月20日

  5. ...acid as an electrolyte, we can insert 2 metal different strips, say copper and zinc, into the lemon. Also connect the strips by a pair of conducting wires and a light bulb externally so as to complete the circuit. Owing to the different positions...

    分類:科學及數學 > 化學 2009年02月01日

  6. ... many silver compounds, silver oxide decomposes on exposure to light into its constituents. It also decomposes at ...

    分類:科學及數學 > 化學 2007年02月23日

  7. Prevent it from decomposition by sun light . It includes AgNO₃,KMnO₄ and HNO₃...

    分類:科學及數學 > 化學 2013年10月30日

  8. ...the other hand, involves the usage of solar technology. That is, light from the sun is converted into electrical energy using solar panels. This method of electrical energy...

    分類:科學及數學 > 化學 2009年03月18日

  9. ...white coating inside the fluorescent bulb and the coating changes it into light you can see. Because fluorescent bulbs don't use heat to create...

    分類:科學及數學 > 化學 2007年12月23日

  10. ...important in preveting light reflection occurs in our eyes. When light ways come into our eyes, the black pigment on it will absorb the light ways and...

    分類:科學及數學 > 化學 2007年04月10日

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