background: recently, there have been many studies on the harmful effects of radiation and the regulations on radiation safety have been toughened both at the in nation and abroad. this study aims to identify the perceptions and actions taken as to radiation safety, and the degree of knowledge related to radiation held by the radiologists working in large hospitals. materials and methods: the r...

awareness and preparedness for prevention of crisis plays an important role in minimizing its impacts and fatalities. this study suggests how to enhance the efficiency of crisis management through applying a resilience engineering (re) approach. the aim of this study was to design a questionnaire to assess crisis management based on re approach. in this descriptive survey, four principles of re...

data envelopment analysis (dea) measures the relative efficiency of a homogenous set of decision-making units (dmus) when multiple inputs and outputs are present. the deabased malmquist productivity index measuring the productivity change of dmus over time has proven itself to be a valid tool to compare group performance. however, in the previous models developed for this purpose, it was suppos...

introduction: disaster occurs almost daily in the world and increases the issue of it because of high volume of population, industrialization and acts of terrorism, my country is one of the most unexpected event areas of the world. health care systems encounter special challenges in disaster management, that they include triage and treatment a large number victims and also victims' information ...

COTS have increasingly been used by industrial practice as a means of maintaining low development costs of a product, whilst offering significant capability upgrades. COTS are multi purpose products driven by commonly used functionality. However, being general purpose products raises certain challenges regarding their ability to be certified. Previously used (process-based) standards stipulated...

backgroundresearchers have found that management safety practices may predict occupational injuries and psychological distresses in the workplace. the present study examined the perception of management safety practices related to injuries reporting and its dimensions among workers of isfahan steel company (esco).     methods a self-administered anonymous survey was distributed to 189 workers. ...

Objectives: Because of the high rates of accidents, the construction industry has become a hazardous industry in Iran and therefore paying more attention is required. This paper investigates safety management in construction companies for improving workers’ safety as one of the ergonomics aims. Methods: In order to survey the safety management in construction companies a questionnaire was pr...

olive oil is one of the foods that are preferred by consumers seeking healthy nutrition. healthy, safety and high quality olive oil production can only be achieved in olive oil enterprises that follow these criteria. therefore, food safety and quality management systems should be placed in these olive oil enterprises. the aim of this study was to determine behaviors and attitudes of firm owners...