Let G be a simple graph with vertex set {v1, v2, … , vn}. The common neighborhood graph of G, denoted by con(G), is a graph with vertex set {v1, v2, … , vn}, in which two vertices are adjacent if and only if they have at least one common neighbor in the graph G. In this paper, we compute the common neighborhood of some composite graphs. In continue, we investigate the relation between hamiltoni...

background: paraquat is a non-selective contact herbicide, widely used to control weeds in agriculture farms and aquatic plants in surface waters. paraquat can have adverse effects on the health of aquatic organisms. the aim of this study was to detect the alterations in the blood biochemical parameters of common carp exposed to sub-lethal concentrations of commercial formulations of paraquat. ...

chlorpyrifos, an organophosphate pesticide, is widely used to control pests in agriculture farms and orchards of fruit trees. in this study, the fish were exposed to sub-lethal concentrations of chlorpyrifos which were determined based on numerical value of 96 h lc 50 . blood was sampled after 10, 20 and 30 days and biochemical parameters including glucose, total protein, albumin, globulin, tri...

malignancy and tumor in ent are less common but more important, also they have not any certain sign until they progress thus it will be so important that we consider some abnormal common signs when we are examine patients until do not miss them, this study was conducted to establish the various clinical modes of presentation of pharyngeal neoplasm and their correlation with final histopathologi...