The aim of this work is to evaluate the effect of adding different types of fibers on the fresh properties of the self-compacting concrete, SCC.The used bar drain board types of fibers were steel (with volume ratios of 0.75, 1.0 and 1.25 %) and polypropylene fibers (0.10 and 0.15 %) and a hybrid system of these fibers (0.65 % steel and 0.10 % polyp
Antibiotic resistance is recognised as a global threat to human health by national healthcare agencies, governments and medical societies, as well as the World Health Organization.Increasing resistance to available antimicrobial agents is of concern for bacterial, fungal, viral and parasitic pathogens.One of the greatest concerns is the continuing
Structure of forestry organizations, managers, legislation and accordingly forestry practices change frequently.The previously mentioned aspects carry many negative and positive effects on organizations and workers.This article read more focuses on the effects of certain factors occupying public opinion on forestry on the facts of organizational co