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  • Article - 4 Jan 2002
    This article discusses photovaltaics (PV) and how they work.
  • Article - 18 Dec 2001
    Gallium is present as a trace element in germanite, sphalerite, diaspore, coal, and bauxite. Although this metal occurs naturally in approximately the same amount as lead, it is extensively dissipated...
  • Article - 14 Dec 2001
    Safety issues associated with the manufacture, installation and usage of solar cells are addressed in the article.
  • Article - 14 Dec 2001
    Have you ever thought about installing a solar electricity system and not known how big a system you require? This article takes you through estimating your power requirements and includes examples.
  • Article - 14 Dec 2001
    Forsterite is a magnesium silicate that has refractory, electrical and thermal properties. Consequently it is used for high temperature applications, solid oxide fuel cells and electronic substrates.
  • Article - 14 Dec 2001
    This article explores the issue of how long a photovolatic system must operate to account for energy and pollution created in the manufacture of the system. It takes into account the different...
  • Article - 14 Dec 2001
    The basic design principles and components of a photovoltaic system are discussed. Other factors such as applications, appropriateness, effects of weather, system size, direct and alternating current...
  • Article - 9 Oct 2001
    Manufactured by sol-gel processes these materials are becoming more popular. One type is the silsesquioxane cage structure and is close to commercialisation. Also called polyhedral oligomeric...
  • Article - 28 Sep 2001
    Fillers such as carbon nanotubes and nanofibres can be used in polymer matrix nanocomposites. Matrices include polymers such as polyamides, polyesters, polycarbonates etc. Applications include...
  • Article - 14 Sep 2001
    Relative advantages, disadvantages and applications are listed together with a table of typical properties.

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