abstract: one of the most visited & important spaces in different countries by tourist are urban areas. the old tehran which major part is located in district 12 is historical showcase of the capital, but, its hiidden cultural attraction is not used as it should be. this thesis occasionally engage in studying the efficacy of correct installation of travel guide boards in welfare & easily acc...

this exploratory study aimed to investigate a possible relationship between learners’ beliefs about language learning and one of their personality traits; that is,locus of control (loc). both variables, beliefs and locus of control, are assumed to influence the language learning process. the internal control index (ici) and the beliefs about language learning inventory (balli) were administered...

abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...

 Background and aim: Hypertension (HTN) is a common disease with various complications for health. A number of studies suggested that some organic solvents can affect blood pressure and usually workers in work environments expose to mixtures of solvents. We decided to survey the effects of a mixture of organic solvents on blood pressure in workers of a car manufacturing company.  Methods: In a ...

Abstract Background and Objectives Coronary artery bypass grafting is common in coronary artery disease. Some patients will need a blood transfusion. Despite the known complications of blood transfusions, there are different conclusions about the clinical significance of fresh and non-fresh red blood cells transfusion.   Materials and Methods In this Cohort study, patients were divided in tw...