one of the main problems in the efficiency and efficacy of an organization is its structural issue. organizational culture is also considered as an effective factor in the performance of many organizations. the main goal of the present study was to determine the relationship of centralization and organizational culture and performance indexes in teaching hospitals affiliated to tehran universit...

background hospitals are the most costly operational and really important units of health system because they consume about 50%-89% of total health resources. therefore efficient use of resources could help in saving and reallocating the financial and physical resources. objectives the aim of this study was to obtain an overview of hospitals' performance status by applying different techniques,...

Different drought indices often provide different diagnoses of drought severity, making it difficult to determine the best way to evaluate these different drought monitoring results. Additionally, the ability of a newly proposed drought index, the Process-based Accumulated Drought Index (PADI) has not yet been tested in United States. In this study, we quantified the severity of 2012 drought wh...

In China's industrialization process, the effective regulation of energy and environment can promote the positive externality of energy consumption while reducing negative externality, which is an important means for realizing the sustainable development of an economic society. The study puts forward an improved technique for order preference by similarity to an ideal solution based on entropy ...

background: medical shoes are a solution for the construction and performance related to foot problems. people with healthy feet do not require medical shoes. shoes have different designs and heights and are probably produced with different materials depending on the nature of the required correction. ordering medical shoes, like medicine, is personal for each individual. however, today many co...

introduction: cardiac complications, including heart failure, are the most important secondary ones of the thalassemia major disease, which manifests itself in adolescence and early adulthood. appropriate, low cost diagnostic tools available as well as knowing its related factors are the most important components of therapy in these patients, given the importance of these complications, or by e...

the aim of this study is to evaluate the effect of information delay on theperformance of joint investment funds. in order to achieve the aim of thisstudy sample consisted of twenty funds in the tehran stock exchange from2010 to 2014 the systematic elimination method has been adopted. in thisstudy, the linear regression test has been used in order to evaluate the researchhypothesis. data analys...

background heat is a harmful factor in workplaces that causes physiologic and cognitive changes in workers. objectives the purpose of this study was to investigate the effect of cooling vest on heat strain and reaction time while wearing chemical-biological-nuclear protective clothes. methods twelve male students with mean age of 25 ± 2 and body mass index (bmi) of 23 ± 1.5 were recruited in th...