Background and aims   As a Development of Industrial process, human, environment, equipment, material and validity of system has been exposed to hazardous conditions. Regards of 32.3 percent of occupations in industries, this study focused on risk assessment of foundry unit by energy trace and barrier analysis (ETBA) method and presented approaches to control of accident.     Methods   the re...

Background: In developing countries, air pollution caused by industries constitutes a serious threat to public health. The present study was conducted to determine the dispersion patern and assess the health risks of PM10 emitted from the stacks of a ceramic and tile factory. Materials and Methods: The present descriptive-cross sectional study was performed on a tile and ceramic industry in Ard...

  Background and aims   Each year many people die from accidents at work. Enormous costs of these accidents have forced specialists looking for ways to prevention of accidents. This study focuses on evaluation the safety of glucose production unit by energy trace and barrier analysis (ETBA) and present approaches to prevention of accidents.   Methods   Steps to perform ETBAmethod was completed ...

A prospective study during 1990-1995 was conducted to assess the risk of rejection and infection in kidney-transplant recipients, who's original kidney had vesico-ureteral reflux (VER). Two groups of recipients with and without VER were followed for one month after transplant 24 and 250 cases respectively. The calculated relative risks for the effect of VER showed a moderate increased risk for ...

abstract the present study investigated the effects of task types and involvement load hypothesis on incidental learning of 10 target words (tws) in junior high schools (jhss) in givi, ardabil. the tasks deployed in this study were two input-based tasks (reading plus dictionary use with an involvement index of 3, and reading plus gap-fill task with an involvement index of 2), and one output-ba...

teachers’ beliefs greatly influence their performance in the classroom, their choice of instructional strategies, their way of controlling the class, their dealing with the students, and their general goals and objectives. one of these beliefs is teachers’ sense of efficacy which is viewed as an important construct and has shown to be positively correlated with students’ achievement (ross, 1992...

Introduction: Intensive Care Unit (ICU) in hospitals is one of the most sensitive and costly units which is really important due to safety and health of patients during their stay in these units. Hence, considering the potential risks in this unit, treatment operations for eliminating or decreasing risks are very important. Among these intensive care units, the most important one is the open-he...