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Results 931 - 940 of 1111 for Calcium
  • A Helical Aggregation Derived from a Conjugated Polymer with a Cylinder-Like Conformation
    Article - 18 Jul 2006
    The formation of a cylinder-like helical conformation induced by chloroform was observed from a conjugated polymer, which was prepared by Knoevenagel condensation using N-octyl-3, 6-diformylcarbazole...
  • Vanadium - Properties and Applications of Vanadium
    Article - 1 Oct 2002
    Vanadium is a bright white, soft, ductile metal. It most commonly used in steels such as rust resistant, spring and high speed tool steels. Its occurrence, production, toxicity, properties and other...
  • Yttrium - History, Occurrence, Properties and Applications
    Article - 12 Sep 2002
    The discover, occurence and production of yttrium are outlined. Key properties are covered and applications of the pure metal and important ytrrium-containing compounds are described. A detialed...
  • Neodymium - History, Properties and Applications
    Article - 23 Aug 2002
    Neodymium is a rare earth metal. It has uses in glasses, enamels, magnets and steel making. Its discovery, occurence, refining and properties are also described.
  • Gas Cylinders - Development of Pan-European Standards
    Article - 9 Aug 2002
    The issues involved with the establishment of a pan-European set of standards covering gas cylinders is explored. Such things are materials, design, testing and inspection are all covered.
  • An Introduction to Scandium
    Article - 6 Jun 2002
    Nilson discovered scandium (Sc) in 1876. The material was detected in the minerals gadolinite and euxenite.
  • Tungsten Applications - Electrical Applications
    Article - 16 Feb 2002
    The only material that is practically used for electron emitters is tungsten. Although there are other electropositive metals that yield higher emission rates, tungsten has an extremely low vapor...
  • 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...
  • Uranium
    Article - 23 Jul 2001
    Uranium is a heavy, silver-white metal resembling nickel. It is malleable, ductile, slightly paramagnetic and pyrophoric when finely divided. Its main uses are as a nuclear fuel, radioactive isotope...
  • Cerium - Cerium (Ce) Properties and Applications
    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...

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