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Results 711 - 720 of 2555 for Electronic equipment
  • Article - 23 Jul 2001
    Metallic zinc was produced in India by reducing calamine with organic substances like wool, in the 13th century A.D. Marggraf rediscovered zinc in 1746 and showed that metallic zinc could also be...
  • Article - 23 Jul 2001
    Platinum (Pt) was discovered by Ulloa in 1735 and Wood in 1741. Platinum occurs as such naturally, together with negligible amounts of palladium, iridium, rhodium, osmium, and ruthenium.
  • Article - 19 Jun 2001
    Since the turn of the century, the explosion of information technology has created a requirement for large quantities of high-quality fiber optic cables, which are thousands of kilometers long and 100...
  • Article - 29 May 2001
    Invar has the lowest thermal expansion of any known metal or alloy from room temperature up to 230?C. Special low expansion and sealing alloy grades are available. Applications include thermostats,...
  • Article - 28 May 2001
    Processes such as plasma spraying, flame spraying and high velocity oxy-fuel spraying are briefly explained. Applications such as surface protection, wear and corrosion resistance, microelectronics,...
  • Article - 23 May 2001
    Using a hot compaction process, polymeric fibres can be partially melted together. Through control of the molecular structure the mechanical properties compared to the bulk material are improved....
  • Article - 16 May 2001
    Balanced mechanical and manufacturing properties compared with unmodified grades of polyamide 6/6. Relative advantages, disadvantages and applications are listed together with a table of typical...
  • Article - 16 May 2001
    Polyamide 6/6 fire retardant, also known as nylon 6/6 fire retardant exhibits excellent resistance to flame and fire. Relative advantages, disadvantages and applications are listed together with a...
  • Article - 16 May 2001
    Improved mechanical and manufacturing properties when compared with unmodified PA 6/12. Relative advantages, disadvantages and applications are listed together with a table of typical properties for...
  • Article - 16 May 2001
    Stainless steel families including austenitic, ferritic, martensitic, duplex and precipitation hardened are described.

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