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Results 4691 - 4700 of 9611 for Air
  • News - 25 Feb 2004
    Kobe Steel and Mitsubishi Materials have agreed to merge their copper tube businesses in Japan and South East Asia, thus forming a joint venture. The joint venture will take effect as of April...
  • Book
    Nitrogen oxides are common by-products of fossil fuel combustion and are one of the most significant types of air pollution. The nitric oxides react with UV radiation to form oxides of nitrogen, ozone...
  • Equipment
    The Poroscope Plus from NDT James Instruments is suited to the field test for air and water permeability of concrete using the Figg technique.
  • Article - 31 Jul 2001
    SHS is a process where materials react during a rapid solid state spontaneous reaction at very high temperatures. The rapid heating and cooling and elevated temperatures allow the production of novel...
  • 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 - 17 Jul 2001
    Americium isotope Am241 was identified by a group of researchers at the University of Chicago in 1944 and was the fourth trans-uranium element to be discovered. It is used as a neutron and gamma...
  • Article - 5 Jun 2001
    Porous silicon has semiconducting properties as well as displaying bioactivity. This makes it potentially a useful material for electronic implant devices. Properties and production are described.
  • News - 28 Feb 2003
    Two militias exchanged mortar fire for the second time this week, just north of the US Bagram Air Base in Afghanistan in a dispute over scrap metal. The dispute has escalated over an issue of who...
  • News - 13 Jan 2003
    Alcoa have just approved plans for the construction of the 322,000 ton, Fjaroaal aluminium smelter in East Iceland. The plants is scheduled to be operational in 2007 and will cost Alcoa...
  • News - 5 Dec 2002
    Portable, poster-like television screens and monitors made from a single polymeric sheet are a step closer thanks to research performed by Xerox Research Centre in Canada. In a presentation given...

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