Background and Objectives: Patient safety is a global concern that can be influenced by the components of working system in medical settings. The present study was carried out to investigate the relationship between the working systems of nursing staff with patients’ safety in Zanjan hospitals in 2014. Materials and Methods: In this cross-sectional study, nurses were recruited to the s...

abstract this study is carried out to determine the chemical composition in the three vegetative stages of the haloxylon sp., degradation parameters, with adding naoh and ca(oh2 ). for this purpose, in may and october and january 2010 enough some haloxylon sp. of the ammary area was prepared. crude protein and ash percentage are decrease, neutral detergent fiber percentage with pragress stage ...

Review: Background: With the auto-parts industry to date, still, man, play an important role in various areas of design, operation, maintenance and monitoring of the system plays. All activities in the sectors affected by the special working conditions or career opportunities that are given to us at the time, formed a triad MTO (human, technology and organization) merits. Therefore, the promoti...

Introduction: One of the most important threats for employees working in chemical industries is exposing to the chemical materials. Lack of precaution and control regulations during working with chemicals can have irreparable consequences. So, in order to achieve an effective control program, it is necessary to have an appropriate assessment of the procedures involving exposure to the chemica...