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  • Photovoltaic Cells and Arrays
    Article - 4 Jan 2002
    The photovoltaic or solar cell is the basic building block of a photovoltaic system. Several cells make up a module and several modules make up an array. This article explains why arrays are needed to...
  • Photovoltaics (PV) - How They Work
    Article - 4 Jan 2002
    This article discusses photovaltaics (PV) and how they work.
  • Stainless Steel - Design Considerations
    Article - 2 Jan 2002
    Properties such as high thermal expansion, low thermal conductivity and low machinability compared to other metals need to be taken into account when designing with stainless steels. Many of these...
  • Superconducting Magnetic Energy Storage (SMES) Systems
    Article - 17 Dec 2001
    Superconducting Magnetic Storage Energy Systems store energy within a magnet and release it within a fraction of a cycle in the event of a loss of line power. How they work, how fast they recharge,...
  • Photovoltaic Systems - Estimating Size Requirements
    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.
  • Retread Tyre FAQs (Frequently Asked Questions)
    Article - 28 Nov 2001
    All the questions you wanted to ask about retread tyres are answered. Aspects like safety, manufacturing standards, which types of tyres can be retreaded, can they be used at highway speeds, life...
  • Retread Tyres - General Information
    Article - 27 Nov 2001
    This article covers statistics associated with retreaded tyres usage during 2000, as well as the benefits associated with their use, safety features and economic benefits.
  • Kaolin in the Paper Industry - Focus on the Asian Region
    Article - 9 Nov 2001
    Various grades of kaolin are used in the paper industry. These are outlined as are factors affecting the usage of kaolins in the Asian region. Other areas covered include pricing, consumption, markets...
  • Vinyl Wallcoverings
    Article - 31 Oct 2001
    Vinyl wall coverings are used in both residential and commercial applications for aesthetic and practical reasons. Properties, design considerations, types, installation, maintenance, manufacturing...
  • Polymethylpentene - TPX
    Article - 10 Sep 2001
    TPX has a very low density (0.83g/cm3) and is transparent. Has a reasonably high continuous use temperature (approx. 75°C (170°F)) and may be autoclaved for sterilisation. Good high frequency...

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