Distance learning brings convenience, stability and flexibility. People can learn anytime and anywhere. Designing a distance course and assessing the learner becomes the key issue. In order to solve the disadvantage, a systematic assessment mechanism is proposed to enhance interaction between students and teachers. This paper combines the concept and influence diagram as a courseware diagram wh...

Protection of society against natural and man-made disasters is high on the societal and political agenda. Effective crisis management is more important than ever. Nowadays, crisis organisations depend crucially on reliable telecom services, and unexpected failure of telecommunication may have serious consequences. In order not to be caught unprepared, crisis organisations should therefore perf...

The implications of initiating a new project or making changes on an already existing system can potentially have substantial influence on the system itself, other conflicting systems, or more non-technology oriented aspects. This paper addresses how systemigrams and causal loop diagrams (CLD) can be used for communicating holistic and common system models to different segments of an organizati...

Abstract Background: Heart failure necessitates self-care; therefore, self-care training should be based on learning needs (LNs) of patients. Aim: This study aimed to determine the impact of a training program based on learning needs on self-care behaviors among patients with heart failure Method: This clinical trial was performed on 73 patients suffering from heart failure in Zanjan teaching h...

The accident factor identification and risk assessment is an essential requirement for prevention of major construction accidents in the construction project process. An integrated quantitative risk assessment (IQRA) method has been proposed in this paper to overcome the problems of difficult to quantify accident probability for construction industry. The proposed approach employs influence dia...

Risk assessment has been widely used as a tool for the development of waste management facilities. At the strategic level, risk assessment is used to inform decision makers about the planning process. In terms of a specific site, environmental risk assessment is used to identify risk management options. As an engineering tool, risk assessment is used to optimize the mitigation measures required...

introduction: everyone who wants to analyze the safety needs to choose one method among all available ways. this study was carried out to identify energies and barriers in lpg storage spheres in a petrochemical complex using etba method. it also examines the quantitative evaluation of failure modes and their effects as well as evaluation of effect of fmea and comparing the results plus the iden...