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Results 771 - 780 of 6447 for Control components
  • Article - 28 Mar 2002
    In 1803, Wollaston discovered the palladium metal. It occurs along with other metals belonging to the platinum group in Placer deposits in Australia, Russia, Ethiopia, North America, and South...
  • Article - 13 Dec 2001
    Silica, or silicon dioxide, is essential in various industries, from electronics to construction, due to its unique properties and abundant availability.
  • Article - 16 Sep 2001
    Superior compressive strength, improved heat distortion temperature, tensile strength and modulus compared with unmodified PA 12.
  • Article - 31 Aug 2001
    Relative advantages, disadvantages and applications are listed together with a table of typical properties.
  • Article - 20 Jul 2001
    Caesium is the most electropositive and most alkaline element. It is also highly reactive. It is used as an oxygen getter, a gamma-ray emmitter, in teletherapy, as a catalyst for hydrogenation,...
  • Article - 20 Jul 2001
    Cerium is the most abundant of the rare earth metals. It is malleable and oxidises readily at room temperature. It is used in pyrophoric alloys for cigarette lighters and in the making of some...
  • Article - 20 Jul 2001
    Beryllium is a high melting point metal with low density. It is commonly alloyed with copper, aluminium and nickel. Other applications include aerospace, gyroscopes, radiation detectors and other...
  • Article - 20 Jul 2001
    Bismuth is one of few metals that increase in volume upon solidification. It is the most diamagnetic of metals and has the second lowest thermal conductivity. Uses are catalysts, fire protection,...
  • Article - 20 Jul 2001
    In 1817, German chemist Friedrich Strohmeyer discovered cadmium from an impurity of zinc carbonate (ZnCO3). Cadmium derives from the Latin term ‘cadmia’ and the Greek word ‘kadmeia’, which are ancient...
  • Article - 17 Jul 2001
    Sir Humphrey Davy discovered barium as an element in 1808. In its elemental form it is soft and silvery white resembling lead. It belongs to the alkaline earth group and is chemically similar to...

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