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Results 24531 - 24540 of 24822 for chemicals
  • An Introduction to Platinum Jewelry
    Article - 11 Feb 2002
    The increased demand for platinum can be seen in the jewelry industry. In one decade, platinum jewelry demand has grown 82% and is regarded as the “Metal of the Millennium.”
  • Film Capacitors - What Are They and How Are They Made
    Article - 8 Feb 2002
    Capacitors are defined, their history briefly traced and construction outlined. Different types of capcitors such as insert tab and extended foil are distinguished. Basic usage configuations are also...
  • Stainless Steel - Sorting and Identification Tests
    Article - 7 Feb 2002
    Outlined are some simple and practical tests that can be used for the identification of grades and types of stainless steel. The tests are inexpensive and non-destructive but do have some limitations...
  • Titanium - Corrosion by Water
    Article - 5 Feb 2002
    Titanium is highly resistant to corrosion by water, steam and seawater, except at elevated temperatures. Other corrosion mechanisms such as stress corrosion cracking, corrosion fatigue, biofouling,...
  • A Summary of Aluminum Titanate
    Article - 4 Feb 2002
    At temperatures greater than 1350 °C, the solid-state reaction of titania and alumina leads to the synthesis of aluminum titanate. Depending on its reactivity, the synthesized powder can be sintered...
  • Tungsten Carbide - An Overview
    Article - 21 Jan 2002
    Scheele discovered “Tungsten” in 1781; however, it took 150 years more before the efforts of Scheele and his successors led to the use of tungsten carbide in the industry.
  • Stainless Steel - Design Considerations
    Article - 2 Jan 2002
    Properties such as high thermal expansion, low thermal conductivity and low machinability compared to other metals need to be taken into account when designing with stainless steels. Many of these...
  • Stainless Steel - Surface Contamination in Fabrication
    Article - 2 Jan 2002
    Optimum corrosion resistance for stainless steels can be influenced by how clean the surfaces are. This can be affected during fabrication with the most likely contaminants being mild steel, chloride...
  • Stainless Steel - Magnetic Properties
    Article - 2 Jan 2002
    All stainless steels with the exception of austenitic stainless steels are magnetic. This can be influenced by processes such as cold working and stress relieving. The effects of these processes are...
  • Photovoltaics - Basic Design Principles and Components
    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...

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Editorial Highlights

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