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  • Copper extraction by wet chemical method 

    Kugeria, Peterson M.; Mwangi, Isaac; Wachira, Jackson M.; Njoroge, Peter (Elsevier, 2018-07)
    In many countries large deposits of copper with no locally established copper based industries occur because known methods for extraction are prohibitively expensive and unaffordable. This study reports on an affordable and ...

  • Properties of activated blended cement containing high content of calcined clay 

    Marangu, Joseph M.; Karanja, Thiong’o J.; Wachira, Jackson M. (Elsevier, 2018-08)
    This paper presents findings of an experimental investigation on sodium sulphate (Na2SO4) activated calcined clay e Portland cement blends in sulphuric acid media. Calcined clays were blended with Ordinary Portland Cement ...

  • Review of Carbonation Resistance in Hydrated Cement Based Materials 

    Marangu, Joseph Mwiti; Thiong’o, Joseph Karanja; Wachira, Jackson M. (Hindawi, 2019)
    Blended cements are preferred to Ordinary Portland Cement (OPC) in construction industry due to costs and technological and environmental benefits associated with them. Prevalence of significant quantities of carbon dioxide ...

  • Properties of activated blended cement containing high content of calcined clay 

    Mwiti, Marangu J.; Karanja, Thiong’o J.; Wachira, Jackson M. (Elsevier, 2018-08)
    This paper presents findings of an experimental investigation on sodium sulphate (Na2SO4) activated calcined clay e Portland cement blends in sulphuric acid media. Calcined clays were blended with Ordinary Portland Cement ...

  • Common Cerambycid Pheromone Components as Attractants for Longhorn Beetles (Cerambycidae) Breeding in Ephemeral Oak Substrates in Northern Europe 

    Molander, Mikael A.; Winde, Inis B.; Burman, Joseph; Nyabuga, Franklin N.; Lindblom, Tobias U. T.; Hanks, Lawrence M.; Millar, Jocelyn G.; Larsson, Mattias C. (Springer, 2019-06)
    Longhorn beetles are ecologically important insects in forest ecosystems as decomposers of woody substrates, microhabitat engineers, and as components of forest food webs. These species can be greatly affected both ...

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