This paper presents our real-time disk scheduler called the L scheduler, which optimizes unscheduled best-effort disk requests by giving priority to best-effort disk requests while meeting real-time request deadlines. Our scheduler tries to execute real-time disk requests as much as possible in the background. Only when real-time request deadlines are endangered, our scheduler gives priority to...

Vehicle Routing Problem (VRP) is addressed to a class of problems for determining a set of vehicle routes, in which each vehicle departs from a given depot, serves a given set of customers, and returns back to the same depot. On the other hand, simultaneous delivery and pickup problems have drawn much attention in the past few years due to its high usage in real world cases. This study, therefo...

Due to the importance of supplier selection issue in supply chain management (SCM) and ,also,  the increasing tendency of organizations to their social responsibilities, In this paper, we survey the supplier selection issue as a multi objective problem while considering the factor of corporate social responsibility (CSR) as a mathematical parameter. The purpose of this paper is to design a mode...

At times, despite an unripe cervix, induction of labor may be needed. In these cases, a safe and suitable method should be considered for cervical ripening and pregnancy termination. The aim of this study is the comparison of vaginal misoprostol with Foley catheter for cervical ripening and induction of labor. This randomized clinical trial was performed on 108 pregnant women who had referred t...

This paper discovers the necessary variables need for creating models for tacit knowledge acquisition, especially in medical care services. The case studied here, was knowledge of diagnosing and time of delivery in twin pregnancy with nuchal translucency screening. This paper covers the empirical work undertaken on semi-structured interview based on thematic analysis. With regard of theoretical...

background & aim: sexual activity is one of the most important aspects of a marital life. childbirth is also a major event in the life of women, and the period of postpartum is a time of emotional upheaval. since women believe that vaginal delivery could negatively affect their sexual function after childbirth, they tend to give birth through caesarean section. therefore, this study aimed to ev...

background in the early months of life, breastfeeding increases chance of survival, reduces recovery time after disease and mortality due to infections such as diarrhea and acute respiratory infections. however, infants who are exclusively breast-fed for more than 6 months in developing countries may be at increased risk of anemia. therefore, the aim of study was to assess the relation between ...

The location-routing problem is the most significant and yet new research field in location problems that considers simultaneously vehicle routing problem features with original one for achieving high-quality integrated distribution systems in beside of the global optimum. Simultaneous pickup and delivery based on time windows are the two main characteristics of logistic management that have be...

Background & aim: Postpartum period is accompanied by significant changes in women’s quality of life. These alterations can affect the health of mothers and children. Considering the importance of postnatal quality of life and its different contributing factors, this study aimed to compare women’s quality of life after vaginal delivery and cesarean section. Methods:This retrospective cohort stu...