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  1. ...pcr? PCR is used to cut the dna into shorter fragment, in a particular length. In pcr, polymerase chain reaction, we use a enzyme, polymerase to cut and copy...

    分類:科學及數學 > 化學 2009年07月22日

  2. ... of chemical bonds, although the general concept of a chemical reaction, in particular the notion of a chemical equation, is applicable to transformations of...

    分類:科學及數學 > 化學 2007年12月14日

  3. ..., a cognate of English "cinder". Sintered bronze in particular is frequently used as a material for bearings, since its...

    分類:科學及數學 > 化學 2008年02月03日

  4. ... is limited, especially so for p-block elements in particular . Based upon that oxidation number, an electronic configuration is also...

    分類:科學及數學 > 化學 2007年04月20日

  5. ...neutron capture often results in neutron activation, inducing radioactivity. In particular , knowledge of neutrons and their behavior has been important...

    分類:科學及數學 > 化學 2006年11月20日

  6. 5) The starting reagent is 2-methylpropan-2-ol. When the acid is added, the OH group becomes (OH2)+ and depart from the alkyl chain. The Carbonium ion is tertiary one and is very stable so the less serve...

    分類:科學及數學 > 化學 2007年10月24日

  7. ... with means "to behave towards someone or deal with something in a particular way" For example: I treat remarks like that with the contempt...

    分類:科學及數學 > 化學 2010年03月28日

  8. ...value that shows the relationship between the concentration of H+ and OH- in any particular pH. the relationship simply is based on the concentration of H...

    分類:科學及數學 > 化學 2008年05月02日

  9. ... to break one mole of specific covalent bonds of a specific substance in gaseous state. Q2. In the definition, the specific substance must be in gaseous...

    分類:科學及數學 > 化學 2008年02月17日

  10. ...for example the metal alloys consists of different elements ( in the case of stainless steel, carbon is also involved). In the case...

    分類:科學及數學 > 化學 2009年01月23日