Abstract The validity of Darcy’s law at very low Reynolds numbers is discussed controversially in literature, as some authors propose a pre–Darcy flow regime below critical number. scope this work to investigate problem experimentally. Therefore, packing glass spheres perfused by different glycerin–water solutions. A linear behaviour between the velocity and pressure drop through packed found c...

objective: working memory is the ability of maintaining and manipulating the required information for operating generalization in future. the aim of the present research is to investigate the effectiveness of neurofeedback therapy on the working memory in children with adhd.  methods: 24 children with adhd who had the required standards to participate in the study were selected by accessible sa...

the study designed to evaluate the effectiveness of  narrative therapy on improvement of verbal skills ‎and ‎social ‎communication of children with autism.research design was  quasi-experimental  that included a pretest and posttest that was conducted on both the experimental group, and control group. 20 children with autism were recruited through simple random sampling and randomly assigned to...

Heart transplantation is a life-saving procedure for patients with end-stage cardiac dysfunction. Currently one-year graft survival ranges between 77-88%, three-year survival between 77-79% and five-year survival between 67-73% (http://www.americanheart.org/presenter.jhtml?identifier=4588). Despite these encouraging results, primary graft failure accounts for about 23% of deaths in the first 90...

the aim of this study was to evaluate the effectiveness of reality therapy ingoup method to enhance self eseem of the students of ferdowsi university of mashhad .thehypothesis of research is reality therapy in group method increases students self esteem.the research desing was experimental as pre- test,post- test and followup with experimental and control groups.the research sample involve 22 s...

purpose: to examine the effectiveness of group cognitive-behavioral therapy (cbt) based on schema on impulsiveness of substance abusers in karaj. materials and methods: this study was quasi-experimental with pre-test, post-test and control group. the statistical population of this study consisted of male substance abusers who referred to addiction treatment clinics of karaj in 2010. the sample ...