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What's the relation between chemical compositions and physical properties?

  1. Sep 16, 2011 #1
    Dear all, is the relation between chemical composition of a material and its physical properties a peering relation or a relation of subordination?
     
  2. jcsd
  3. Sep 16, 2011 #2

    berkeman

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    Staff: Mentor

    What are your thoughts on this? Is this for schoolwork?
     
  4. Sep 17, 2011 #3
    nope, it's about my PhD project, we are now starting sorting of the recycled materials based on chemical composition, the traditional sorting criteria is mostly based on the physical and mechanical properties, I am thinking of the relation of this hierarchy, and wondering why is a new sorting criteria advantageous or specific over others.
     
  5. Sep 18, 2011 #4

    berkeman

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    Staff: Mentor

    Okay, I've got it now. PhD work has nothing to do with school. Check.

    Can you post your outline for your PhD work?
     
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