in metropolitan development management, quality of public services is influential in every public sector to satisfaction of citizens on quality of services. nowadays, satisfaction are with such important matters that should be considered in the planning, implementation, management and maintenance of many public services such as subway, transportation, traffics, parks, markets and so on. the pur...

background and purpose: identification of the effects of sleep disturbances on the quality of life could result in proper treatment of patients with heart failure. this study aimed to investigate the relationship between sleep disorders and erectile dysfunction, depression and quality of life in male patients with systolic heart failure. methods: this correlational study was conducted on 100 ma...

Six Sigma and Design for Six Sigma (DFSS) offer a new approach to Total Quality Management with a more integrated approach, standardized training and certification, and financial accountability for i nvestment in improvements. A core principle of DFSS is the Transfer Function (y=f(x)), whereby customer requirements are transferred into Critical-to-Quality requirements (CTQ). DFSS uses the House...

Over the past two decades, considerable efforts focused on improving software quality to satisfy the customers needs in software industry, but it is hard to deal with the customers needs for its vague and inexact characteristic. In order to evaluate software quality accurately and comprehensively, the weights of customers needs and the weights of technical attributes of the software are determi...

purpose : the aim of this study was to investigate the effect of misalignment (tilt & decentration) of iols in cataract surgery using liu-brennan optical eye model in a simulation. methods : a phantom with the real eye parameters –liu-brennan model– and tecnis z9000 iol were used for simulation. results : results showed that with 0.4 mm decentration and more the modulation transfer function (mt...

many of the so-called organizational strategies on which companies are dependent, are not endurable. these strategies may not be well structured and cannot stand the test of time. thus, making the right decision is extremely important for strategic planning. the proposed strategy formulation framework in this paper (fuzzy bsq) is a powerful management tool in strategic planning that integrates ...

Introduction: Low back pain is one of the most common musculoskeletal problems. Various complications such as disability, depression, anxiety, sleep disorders, stress, decreased sexual function and quality of life have been reported with chronic low back pain. Objective: The aim of this study was to compare the relationship between demographic, health status and physical fitness, socio-economi...

The development of Web Applications has some special characteristics, such as very short Time-to-Market, parallel development and requirements that are not prioritized. This makes it hard to address quality attributes in a systematic way, to prioritize requirements and to resolve conflicts between them. The use of trade-off methods such as QFD will help to prioritize the “right” requirements an...