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Results 1521 - 1530 of 1558 for hydrogen cell
  • Article - 8 Jan 2004
    Calcium hydride has the formula CaH2. A grey powder (in its pure form, white), this chemical compound, when exposed to water, undergoes a vigorous reaction. This alkaline earth hydride possesses a...
  • Article - 3 Apr 2002
    While platinum is best known as a precious metal and use in jewellery and as an investment, it has several other key uses. Some of these include catalysts for automotive and chemical applications,...
  • Article - 11 Mar 2002
    Superalloys are emerging as a viable alternative to ceramic filters for clean burning coal power generators. The possibility of creating thin filters with high surface area and limited susceptibility...
  • Article - 11 Feb 2002
    Platinum, with its unique physical and chemical properties, is used in a wide variety of industrial and environmental applications. It is also regarded as one of the finest, among all jewelry metals.
  • Article - 23 Jan 2002
    With a history much shorter than that of gold, its use and discovery in the 1700's is described. Development of the platinum market through the 1800's and into more modern times is also covered....
  • Article - 11 Jan 2002
    The optical properties of titanium dioxide (TiO2) enhance its role as a pigment and in photocatalytic applications, driving innovation in materials science.
  • Article - 8 Jan 2002
    While stainless steels are often used for their corrosion resistance, they do in fact suffer from corrosion under certain circumstances. Modes such as pitting, crevice, stress corrosion cracking,...
  • 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
    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 - 20 Aug 2001
    Properties such as low density, good strength at elevated temperatures, high strength and excellent corrosion resistance have seen titanium used extensively in industries such as aerospace, process...

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