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Results 751 - 760 of 816 for Electrical power
  • Article - 6 Jan 2004
    Shapal M is a machineable ceramic based on aluminium nitride with high strength and high thermal conductivity. Chemical, electrical, mechanical, thermal and physical properties are listed.
  • Article - 21 Oct 2002
    Tantalum is a refractory metal used mainly for making capacitors and as an alloying additive. Its main sources are described as well as a new source in Saudi Arabia. The sources of Tantalum such as...
  • Article - 10 Sep 2002
    Graphite is a distinct material, displaying properties of both metals and non-metals. It is typically grayish-black in color, opaque, and has a radiant black sheen.
  • Article - 19 Aug 2002
    Several international standards demand identification marks on concrete reinforcing bars. Marks have to be rolled onto one side of the bar to denote specifications.
  • Article - 29 Apr 2002
    Transducers are materials that can convert one form of energy such as electrical and electromagnetic energy into other forms such as mechanical. The history of these materials is outlined beginning...
  • Article - 7 Nov 2001
    Vinyl windows are used in many residential and light commercial applications. They are similar to aluminium windows, using an extruded frame around a glass pane.
  • Article - 25 Sep 2001
    Silicones are polymers with a Si-O-Si backbone. There are different types depending on functional groups in the structure and curing mechanisms. Key properties include thermal stability, chemical...
  • Article - 7 Aug 2001
    Rare earth magnets produce fluxes much higher than traditional magnets of comparable size. Such magnets are based on samarium and neodymium compounds. Applications include automotive,...
  • Article - 29 Jul 2001
    Black was the first person to recognize magnesium (Mg) as an element in 1755. Later, in 1808, Davy isolated this element by evaporating mercury from a magnesium amalgam.
  • Article - 28 Jul 2001
    Although lead occurs as such in nature, it is rare. Lead is chiefly obtained from galena (PbS) through the process of roasting.

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