A healthy school environment is an important element of the Coordinated School Health model, which periodically focuses on the quality of a school's physical and esthetic surroundings as well as its psychosocial climate, safety, and culture. According to previous studies, the characteristics of a school environment are statistically related to the students' health and academic achievement. Therefore, the purpose of this paper is to examine various aspects of a school environment, their influences on the well-being of the school community, and the need for improvements.A comprehensive study on school health promotion was conducted with a representative sample of schools in the region of Pleven, Bulgaria. Data were collected by means of a self-administered questionnaire among students, parents, and staff as well as through interviews with school principals. In the region of Pleven, there are a total of 118 schools, which were built between 1912 and 1998. The majority of the buildings have been renovated, and the school surroundings are generally well-maintained. However, approximately 60% of the buildings have no easy access for disabled persons, and according to the school documents, any deviations from the standards of temperature, lighting, and ventilation in the classrooms have not been registered. In addition, approximately 40% of the respondents felt that improvements in human relationships and job satisfaction would create a healthier school community. Based on the findings, the influence of a healthy school environment on the welfare and academic performance of students and staff is confirmed and such an environment should be a precondition for the welfare of other school communities.
According to the concept of health promotion, health is a shared responsibility of individuals, the community, the state, and non-governmental organizations. Partnership offers great potential for addressing problems and achieving goals, but it is also associated with certain difficulties. Establishing a successful partnership requires common purpose, shared responsibilities, complementary competencies, collaboration, and mutual respect. The aim of this paper is to analyze whether partnership as a main principle of health promotion has been put into practice in the observed school community. A comprehensive medico-social survey on school health promotion was conducted from September 2012 to May 2013 over a representative sample of schools in the Pleven region of Bulgaria. Data were collected through a self-administered questionnaire among 1,280 members of the school community, interviews with school principals, and a review of the documents. Questions are directed toward the elements of the coordinated school health model. Data analysis of the presented part of the study, which examined the partnership for health promotion at school, was consistent with the methodology of the partnerships analysis tool using a specially designed checklist for evaluation. Over 90% of the investigated subjects and organizations realize the necessity of partnership.They have a clear goal to improve the well-being of the school community and a shared understanding that the benefits from partnership outweigh the exertions and costs. On the other hand, not all potential partners are included in the process of planning priorities for action. Almost half do not always have a clear idea about their responsibilities for fulfilling the goals. Both the positive and weak points of the partnership were able to be considered. The necessity for partnerships in promoting school health is recognized but difficult to transform into real action due to limited competencies and collaborations.
In this study, a new method is devised and presented for the dynamic analysis of a 2xn RLC circuit network modeled with the fractional-order circuit elements. The analysis method is based on the principles of dynamic analysis with transfer function approximation. Firstly, the fractional-order 2xn RLC circuit network of interest which is divided into n equal cells connected in cascaded form, then related transmission matrices are individually calculated for each cell correspondingly, Secondly. the transmission matrix of the whole circuit network is calculated based on the properties of the cascaded connection. By means of this transmission matrix and the two-part connection, diagram circuit functions, such as transfer function and the equivalent input impedance of the whole circuit network, are obtained depending on the number of cells (n) and the fractional-order values.Finally, essential dynamic system analysis, such as frequency, step and pulse responses, and the impedance characteristics of the network, are simulated using necessary MATLAB programs depending on cell number n and the fractional-order values.
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