Decisions are often based on the results of quantitative analysis. To gain confidence in these results, some indication of their quality is needed. Measurement uncertainty, as proposed by the International Organization for Standardization (ISO), is a way to express this quality. Most measurement techniques compare references and therefore need to be calibrated. Usually least squares methods ign...

objectives: the objective of this study is to evaluate the safety climate as an important part of macroergonomics domains and to determine the importance of each safety climate factor in an iranian company. methods: for data gathering, the researchers used macroergonomic organizational questionnaire survey (moqs) method. for conducting this method we applied safety climate questionnaire which h...

Stations are the main components of the subway systems. Despite the progress in the construction and maintenance, stations have always been exposed to the natural and man-made disasters. In such incidents, the station’s evacuation capability has a direct relation with a passenger's life. Various factors affect the station's evacuation capability. Investigation of these factors and evaluation of...

background: we aimed to analyze the effect of nursing strategies on patients with chronic renal failure (crf) undergoing maintenance hemodialysis (mhd) treatment by puncturing on arteriovenous fistula (avf). methods: ninety-two patients with chronic renal failure undergoing maintenance hemodialysis (mhd) between jan 2014 and jan 2015 were included in the study (all undergoing avf, dialysis for ...

in industries, in general, occurrence of accidents is not negligible in which injure the workforce and burden cost to society. the main purpose of this study was investigation of industrial accidents and their trend in fars province. this is a descriptive analytical retrospective study in which data on industrial accidents were collected from the labor organization of fars province during years...

the school environment is an environment wherein a student spends one third of his life with teachers and other students. in the present study, the safety levels of governmental and non-governmental schools were studied and compared. in a descriptive cross-sectional study we assessed schools safety using fire and life safety inspection checklist presented by the national fire prevention agency ...