Objective:The concept of coping with disease appears frequently in the literature;however,there is no precise definition of coping.The aim of this study is to clarify coping concept,and to identify its attributes,ante...Objective:The concept of coping with disease appears frequently in the literature;however,there is no precise definition of coping.The aim of this study is to clarify coping concept,and to identify its attributes,antecedents,and consequences in patients with multiple sclerosis.Methods:Rodgers'evolutionary method of concept analysis was used to clarify the concept of coping.A literature review was conducted with key terms‘multiple sclerosis’,‘coping’,‘adjustment’,and‘deal with’.After searching databases,1370 papers were found for the period 1995e2017.Finally,55 articles and texts were selected for analysis.Data analysis was carried out using thematic analysis.An independent researcher checked the process to ensure credibility and reduce personal bias.Results:Coping with multiple sclerosis is a multidimensional concept with three main attributes:maintenance of emotional balance,acceptance of the disease,and self-regulation.Social support,awareness toward the disease,attitude toward the disease,and religious-spiritual beliefs were found as antecedents.Health promotion,adherence to treatment regimen,independence in personal life and social relationships,and improvement of family relationships were found as consequences of these attributes.Conclusion:These findings not only add to the body of knowledge in health science,but also serve as an important motivation for further theory development and research in this context.Nurses and health professions can also benefit from a deeper understanding of coping concept in providing and planning healthcare for these patients.展开更多
This paper proposes a sectionalizing planning for parallel power system restoration after a complete system blackout.Parallel restoration is conducted in order to reduce the total restoration process time.Physical and...This paper proposes a sectionalizing planning for parallel power system restoration after a complete system blackout.Parallel restoration is conducted in order to reduce the total restoration process time.Physical and operation knowledge of the system,operating personnel experience,and computer simulation are combined in this planning to improve the system restoration and serve as a guidance for system operators/planners.Sectionalizing planning is obtained using discrete evolutionary programming optimization method assisted by heuristic initialization and graph theory approach.Set of transmission lines that should not be restored during parallel restoration process(cut set)is determined in order to sectionalize the system into subsystems or islands.Each island with almost similar restoration time is set as an objective function so as to speed up the resynchronization of the islands.Restoration operation and constraints(black start generator availability,load-generation balance and maintaining acceptable voltage magnitude within each island)is also takeninto account in the course of this planning.The method is validated using the IEEE 39-bus and 118-bus system.Promising results in terms of restoration time was compared to other methods reported in the literature.展开更多
基金The study was funded by the Research Department at Jahrom University of Medical Sciences,Jahrom.Iran.Also,this study was approved by the Ethics Committee of Jahrom University of Medical Sciences,Iran(Ethics approval number IR.JUMS.REC.1395.176).
文摘Objective:The concept of coping with disease appears frequently in the literature;however,there is no precise definition of coping.The aim of this study is to clarify coping concept,and to identify its attributes,antecedents,and consequences in patients with multiple sclerosis.Methods:Rodgers'evolutionary method of concept analysis was used to clarify the concept of coping.A literature review was conducted with key terms‘multiple sclerosis’,‘coping’,‘adjustment’,and‘deal with’.After searching databases,1370 papers were found for the period 1995e2017.Finally,55 articles and texts were selected for analysis.Data analysis was carried out using thematic analysis.An independent researcher checked the process to ensure credibility and reduce personal bias.Results:Coping with multiple sclerosis is a multidimensional concept with three main attributes:maintenance of emotional balance,acceptance of the disease,and self-regulation.Social support,awareness toward the disease,attitude toward the disease,and religious-spiritual beliefs were found as antecedents.Health promotion,adherence to treatment regimen,independence in personal life and social relationships,and improvement of family relationships were found as consequences of these attributes.Conclusion:These findings not only add to the body of knowledge in health science,but also serve as an important motivation for further theory development and research in this context.Nurses and health professions can also benefit from a deeper understanding of coping concept in providing and planning healthcare for these patients.
文摘This paper proposes a sectionalizing planning for parallel power system restoration after a complete system blackout.Parallel restoration is conducted in order to reduce the total restoration process time.Physical and operation knowledge of the system,operating personnel experience,and computer simulation are combined in this planning to improve the system restoration and serve as a guidance for system operators/planners.Sectionalizing planning is obtained using discrete evolutionary programming optimization method assisted by heuristic initialization and graph theory approach.Set of transmission lines that should not be restored during parallel restoration process(cut set)is determined in order to sectionalize the system into subsystems or islands.Each island with almost similar restoration time is set as an objective function so as to speed up the resynchronization of the islands.Restoration operation and constraints(black start generator availability,load-generation balance and maintaining acceptable voltage magnitude within each island)is also takeninto account in the course of this planning.The method is validated using the IEEE 39-bus and 118-bus system.Promising results in terms of restoration time was compared to other methods reported in the literature.
