In present competitive environment, it is necessary for companies to evaluate design time and effort at the early stage of product development. However, there is somewhat lacking in systemic analytical methods for product design time (PDT). For this end, this paper explores an intelligent method to evaluate the PDT. At the early development stage, designers are short of sufficient product infor...

Background: In recent years, many journal editorial departments have begun to employ freelance editors rather than an exclusively in-house team. Although a freelance editing model offers greater editor availability and subject-matter expertise, it necessitates better quality control. We hypothesize that although a freelance model is best equipped to offer subject-matter expertise, a uniformly t...

background and purpose: quality of life is a ubiquitous concept, and improving quality of life plays a pivotal role in the promotion of individual and social health. this parameter requires exclusive attention in case of students since quality of life remarkably affects learning and academic achievement.this study aimed to evaluate quality of life among the students of islamic azad university o...

Introduction: The accuracy of patient positioning plays an important role for radiotherapy tasks. Short and automated Quality Assurance (QA) programs are becoming one of the challenging tasks in Radiotherapy. The current study, investigates the accuracy of treatment couch positioning with four degrees of freedom (4DoF) using a fast and accurate method based on an image acquired...

one of the most important issues in the management of production is select the best option for each production activity, so that the time and cost of production is minimal and quality is the maximum. considering to the large number of activities and options for each activity, usually, this choice does not have a unique solution and can be used the utility function and assign weights to time, co...

-Previous research on House Sparrows (Passer domesticus) in Europe indicated that males with larger bibs are more likely to obtain nest sites with multiple potential nests. To test this observation experimentally, I created nest sites containing either one or two nest boxes. 1 found no morphological differences, including bib size, between males at single-box nest sites (SBNS’s) and those at do...

This paper extends work in the field of Constant Quality Price Indexing by using Neural Networks to estimate the model. A series of housing data sets is used to develop constant quality price indices using traditional econometric techniques and using neural networks incorporating genetic algorithms. The analysis indicates that neural networks are a real alternative to the econometric methods. I...

Objective: To survey the evolution over the past decade of attitudes and practices of obstetricians in maternal– fetal medicine fellowship programs regarding the management of human immunodeficiency virus (HIV)-infected pregnant women. Methods: Directors of all 65 approved maternal–fetal medicine training programs were sent questionnaires, responses to which were to reflect the consensus among ...