Now showing items 54-55 of 55

    • UV Absorption and dynamic mechanical analysis of polyethylene films 

      Kamweru, Paul; Ndiritu, Francis; Kinyanjui, Thomas; Muthui, Zipporah wanjiku; Ngumbu, Richard; Odhiambo, Peter Migunde (2014-12)
      Photooxidative processes that lead to chain scission and chain linking in polymers play an important role in polymer degradation. These processes are induced by both ultraviolet (UV) and visible light absorption. The ...
    • Volatility Modelling of the Nairobi Securities Exchang 

      Wagala, Adolphus; Nassiuma, Dankit K.; Islam, Ali S.; Mwangi, Jesse W. (2012-03)
      In this paper we identify the most efficient ARCH-type model that can be applied to the Nairobi stock exchange data for forecasting and prediction of volatility which in turn is important in pricing financial derivative ...