Sludge dewatering is a key element in sludge’s processing and management. Solid-phase separation, sludge volume reduction the separation of high-quality supernatant are main tasks devices. The effectiveness this task, turn, results from selection method conditioning before dewatering. aim research was to determine influence substances (polyelectrolyte, fly ash zeolite) on efficiency at variable...

balb/c mice are highly susceptible to infection with the protozoan parasite leishmania major. this susceptibility has been attributed in part to the expansion of th2 cells and production of their cytokines, il-4 and il-10 and down-regulation of th1 cytokine, inf-γ. the inability of susceptible hosts to mount the immune response necessary to activate macrophage and destroy the parasites can be d...