• Hydrothermally-calcined waste paper ash nanomaterial as an alternative to cement for clay soil modification for building purposes 

      Autor: Robert, Ubong Williams; Etuk, Sunday Edet; Agbasi, Okechukwu Ebuka; Umoren, Grace Peter; Akpan, Samuel Sunday; Nnanna, Lebe Agwu
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      It has been observed that clay soil cannot be used for building design, unless it is modified by firing or with cement. Either method of stabilization can adversely affect the environment and public health just like ...
    • Water-air ejector with conical-cylindrical mixing chamber 

      Autor: Sliusenko, Andrii; Ponomarenko, Vitalii; Forostiuk, Inna
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      In the paper, the hydrodynamics of the liquid-gas mixture in the mixing chamber of the ejectors at different spatial positions was analyzed and the comparative study of such ejectors was carried out. It was found that a ...