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Results 771 - 780 of 782 for X-ray targets
  • Article - 24 Jul 2003
    Mercury is generally considered to be a harmful substance. Presented herein is a unbiased account of mercury, its compounds, and its uses.
  • Article - 25 Jun 2003
    Chemical, electrical, mechanical, physical and thermal properties of cross linked polystyrene are listed as are differences between it and normal polystyrene. Applications are also outlined.
  • Article - 25 Feb 2003
    Methods like X-ray photoelectron spectroscopy (XPS) and time-of-flight secondary ion mass spectroscopy (ToF-SIMS) are two highly sensitive surface analysis tools.
  • Article - 16 Jan 2003
    The design of controlled drug release systems is a difficult task. Once designed, the analysis of the system is critical. Time of flight secondary ion mass spectroscopy (ToF SIMS) provides a technique...
  • Article - 27 Jun 2002
    X-Ray fluorescence is probably best known for compositonal analysis. However, it can also be used as a form of non-destructive testing for measuring coating thickness. The basic system, technique and...
  • 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...
  • Article - 14 Dec 2001
    Photovoltaics (PV) is the conversion of sunlight directly into electricity. This article outlines what it is, what a typical PV system looks like, how it can be used, how much a system costs and other...
  • Article - 23 Nov 2001
    Materials with grain sizes in the order of a billionth of a meter are called nanomaterials, or nanocrystalline materials, which can be used for a range of structural and non-structural applications.
  • Article - 23 Aug 2001
    Gobel mirrors are special mirrors designed for the reflection of x-rays. Produced using pulsed laser deposition they have advantages such as increased primary intensity, more forgiving in the area of...
  • Article - 28 Jul 2001
    Tungsten has the highest melting point (3410°C) and the highest tensile strength at temperatures over 1650°C of all the metals. It is used for lamp filaments, x-ray targets, aerospace applications and...