This study proposes a system dynamics (SD) model to deal with the staged improvement of delivery-orientated production plan. The situations, such as the cycle time affected by total input of human resource, unit transportation cost influenced by amount of delivery quantity, unit penalty (shortage) cost affected by amount of shortages, and the time delay among customer demand, production demand,...

Planning, scheduling, and control decisions often involve conflicting priorities from multiple stakeholders (e.g., due to different perceptions of risk). We present a new framework for multi-stakeholder optimization to compute optimal compromise solutions among stakeholders. In this setting, stakeholder opinions are interpreted as random variables, establishing a parallel between stochastic and...

The urgent needs of healthcare assistant for elderly senior citizens increase rapidly. This paper presents an e-service design on stroke-precaution for senior citizens, followed by its implementation and evaluation. The healthcare support e-service design focuses on the aging problems including the degeneracy of memory and vision as well as the recession of attention. These physiological proble...

background & aim: assessment of quality of life(qol) is one of the most active areas in modern studies. qol is a term to describe individuals' health and affective, social and physical wellbeing and also to demonstrate their ability for accomplishing daily routine tasks. this study aimed to compare qol domains in fertile and infertile women. method & materials: forty-four infertile women referr...

In this paper, a stable two-sided matching (TSM) method considering the intention of agents under hesitant fuzzy environment is proposed. The uses element (HFE) as its basis. First, HFE preference matrix transformed into normalized matrix. On basis, distance and projection HFEs on positive negative ideal solutions are calculated. Then, agent satisfactions. Considering constraints, multiobjectiv...

there are two main dimensions for quality of life: objective quality of life and subjective quality of life. the writers of this research study the relationship between social capital and quality of life and its two main dimensions. data are collected from the city of mashhad and it show that social capital has a greater role in the explanation of quality of life comparing to income and educati...

AIM To evaluate the effectiveness of transforaminal epidural steroid injection (TFESI) for lumbar radiculopathy with respect to effect of injection levels, gender, and age group. MATERIAL AND METHODS Hundred-fifty-three consecutive patients who underwent to lumbar TFESI were enrolled. The outcomes were measured by using a visual numeric scale (VNS), NASS and EQ-5D. The relationship between po...

background there are some specific measures for the evaluation of postpartum quality of life, and each have some limitations. objectives this study investigated the validity and reliability of the persian version of a postpartum women’s quality of life (pqol) questionnaire at the eighth week of postpartum. patients and methods this was a methodological research, and subjects were 500 women, age...