this study was designed and conducted to find out if there is any significant relationship between iranian efl learners preferance for one of the three degrees of obtrusiveness in foreign language instruction (focus on form, forms and meaning) and their preferred experiential learing style. to collect the data two questionnaires were used. the first one on the degree of obtrusiveness and the se...

Background & Aim: One of the nurses' roles in patient care is frequent position change in patients undergoing mechanical ventilation. Because of attaching many lines and tubes to these patients, they are in supine or lateral positions most of the time. Nurses prefer these positions due to making care simple. Many studies have shown that prone position has positive effects on oxygenation and ven...

Background: A number of studies investigated the effects of maternal position in different stages of delivery. Some of these studies mentioned the effects of maternal position on pain and delivery’s outcome. This study aimed to compare effects of two sitting and supine positions on delivery’s outcome. Materials and Methods: In this quasi-experimental study, 56 pregnant women randomly al...

heuristics are often used to provide solutions for flow shop scheduling problems.the performance of a heuristic is usually judged by comparing solutions and run times on test cases.this investigation proposes an analytical alternative ,called asymptotic convergence ,which tests the convergence of the heuristic to a lower bound as problem size grows. the test is a stronger variation of worst cas...